fashion lighting diagrams

fashion lighting diagrams

GENERAL KNOWLEDGE Pt. III

• WHY IS A MP3 file named?

MP3 is an acronym MPEG Audio Layer-3. MPEG stands for Moving Picture Experts Group, which developed compression systems used for video data, such as DVD movies and HDTV broadcasts. The MP3 format is a compression system for music. Help reduce the number of bytes in a song without affecting sound quality. The objective of the format MP3 is a compressed CD-quality song by a factor of 10-14 without affecting the sound quality of MP3, 32 megabytes (MB) song on a CD compresses nearby.

• BIRD THAT HAS A FAMOUS "LAUGH 'Y' blue wings" variety?

The famous kookaburra bird has a 'laugh' and 'blue-winged one "variety kookaburra's laugh, novaeguineae D, is slightly larger than the blue-winged Kookaburra with a project Bill a little longer. The blue-winged kookaburra has also streaked white head with a white instead of dark eyes and no dark spot back of the eye. The Kookaburra blue wing has a bright blue wing patch and rump. The call is also very different.

• WHAT IS guttation?

Guttation is the loss of water as water droplets hydathodes (small pores) in the leaf margin of a small plant herbacious. Water has the ability to rise up to 2 feet for his account through the xylem of the plant. During the night or early morning, when the rate of absorption by the roots exceeds the rate of transpiration (evaporation) from the leaves, a large amount of water accumulates in the body of the plant which can damage cells. Plants have hydathodes at the end of the veins through which to lose the excess water droplets. It takes place mainly in small plants like banana, pink, etc.

• WHAT IS GNOTOBLOLOGY?

Gnotobiology science is the study of animals and other organisms raised in germ-free environments or containing only specifically known germs. Scientists compare gnotohiotic animals to normal animals, whose bodies carry many germs as bacteria, viruses and parasites. In this way, scientists can better determine how specific germs affect a body.

• WHAT IS BUFFERING ON THE INTERNET?

Buffering is a situation that occurs when a media player is saving parts a streaming media file to local storage for playback. Most media players buffer a small percentage of a streaming media presentation before the game. Buffering can also happen in the middle of a presentation when the available bandwidth does not match bandwidth required in the presentation.

• WHAT IS A biometric security systems?

In the terminology of security, a biometric security system is an authentication technique based on a computerized system to electronically validate a measurable characteristic biological is physically unique and can not be duplicated. Various types of biometric security systems are being used for identification in time real, the most popular are based on facial recognition and fingerprint, iris and retinal scan, speech, facial thermograms, and hand geometry.

• WHERE ARE THE WEB SITES AND FILES STORED ON THE INTERNET?

The Internet is a collection of a large number of client-server based systems. So all files and other resources in it are stored in secondary storage servers respectively. The site servers site is called as web servers. So when you type in a URL of a website in the address bar of your browser establishes a connection to the web server and which in turn gets data from the secondary storage device (such as hard disk) to use and returns to that browser. The same goes for any other remedy (Image, an MP3 file, compressed file, etc) that has Internet access.

• Why not drive B on a computer?

Not that computers do not have units of B. At first, (just two decades ago), personal computers had no hard drives - were units equipped with two floppy drives A and B. Call Later, a hard disk was introduced and was labeled the C: drive. Other units such as CD, DVD, a flash drive and others were marked D, E, etc. If you have a computer with two floppy drives, and then called a unit and the unit B.

• What is e-Waste?

All obsolete electronic devices such as computers, servers, printers, monitors, televisions, telephones phones, calculators, compact discs, floppy disks, chips, processors, motherboard, PCB, etc. as electronic waste end. E-waste containing many hazardous dangerous as PVC, plastics, heavy metals, brominated flame retardants, etc.

• MONITORS WHAT IS EFT?

In general all types of monitors are a burden to our eyes. EFT, or fresh eyes technology, the monitors have a vital layer in the rear that emits anions and high infrarorf cool shot and relieve pressure on the eyes and relax your eyes and body.

• WHY ARE FM channel frequency usually between 90 And 110 MHZ?

The deadline for FM is a little misleading because it represents the frequency modulation, a technique for transmitting radio waves. Frequencies between 80MHz to 110MHz, are generally used to FM stations worldwide, which all fall in the VHF frequency range of 30MHz to 300Mz. However, transmission of FM was carried out in the U.S. in the 1940s in the frequency band from 42 to 50MHz. Later, in 1945, the Federal Communications Commission assigned the bands 88 to 106MHz for FM broadcasting, citing reasons for non-interference with other radio bands in and around the city later in western Europe because of the band wave already congested environment, broadcasters preferred to migrate to FM bands usual standard. In the United Kingdom, the BBC broadcast for the first time in FM band in 1955. Since then, FM has almost become an international standard for local broadcasts within the city limits and the range of frequencies used around the world have been in the range of 88-106 MHz only.

• WHAT IS THE ORIGIN OF THE WORD 'Roger' IN TELECOM?

It originates from Morse code which marked the end of communication with dih-dahdih (.-.) which incidentally is a code for "R". For voice communication, people used an equivalent for each letter (eg Omega-Pie-England-Norway OPEN). For R was the equivalent of Roger. Therefore, all .-. communication ended, that is, Roger, meaning "this communication is more '.

• WHAT is encoder and decoder?

An encoder is a device that transforms data into a series of bits known only to the decoder and is a device which transforms the encoded bits to generate the original data again. These two are mainly used in computer technology, but the underlying concept can be used anywhere. For example, the name "New Delhi" can be coded as "ihleD" or "45 # 1278." Later, the decoder regenerates the original "Delhi" for this code as does the encoding scheme.

• WHAT IS THE IMEI?

• WHAT IS THE DIFFERENCE BETWEEN A WOOFER SUBWOOFER AND A?

There are no major differences between these two speakers because both systems are used Notes to reproduce low frequency sound. Subwoofers are designed to play a band of frequencies below 30Hz and woofer level to produce sounds above it. Sometimes bands can overlap. The smallest diaphragm subwoofer halfway decent is 8 inches, is a 12-inch subwoofer.

• WHAT IS A SIMPUTER?

The word "Simputer" is a portmanteau of "simple, inexpensive and multilingual team the people. "It is a small low-cost computer, hand, intend to take computing power to developing countries. Includes text-to speech software and runs the operating system GNU / Linux. The device was designed by the Simputer Foundation, a nonprofit organization formed in November 1999. Simputers are generally used in environments where computing devices such as personal computers not be used.

• What is Blue Tooth technology?

Bluetooth is a low cost, low-power radio interface standard for wireless communication at short range. It is an open standard to enable smart devices communicate with each other. This allows any type of electronic equipment (computers and cell phones to keyboards and phones) to make their own connections, without wires, cables or any direct action of a user. It could allow the replacement of cables connect many property from one device to another with one universal radio link.

• WHAT IS THE DIFFERENCE BETWEEN Appliances and electronic?

• WHEN WAS THE WINDOWS OPERATING SYSTEM created?

The Microsoft Windows Avtar before was Interface Manager, which was developed in September 1981. The first version of the Windows operating system was announced on November 10, 1983. It was an extension of MS DOS, and wore a graphical user interface. Windows 1.0 was finally released to the market in November 1985.

• WHAT IS BETA TEST?

Generally, software goes through two stages of testing before it is considered finished. Only users within the organization developing the software often do the first stage, called alpha testing. The second phase, called beta testing, usually affects a limited number of external users. Beta testing is the formal process to request information about the software still in development. Beta testing is usually the last step in making a software developer before taking the product to market.

• What is spyware?

Referring to last week's response, I would point spywares that are not usually called spyware. as spyware32 exe, exe, ispyexe or something. It can be kazaa.exe, Msbb.exe, newsupd.exe, dider.exe, etc. Elimination of all registry keys ownright suicide because the operating system (Windows) would be dead without any registry keys. If the declaration is assumed in the sense of eliminating "All the spyware-infected modified" registry keys, which is still a difficult decision because unless you are an expert about that the particular spyware is impossible. More than one anti-spyware software is as necessary to keep your PC free from spyware.

• Why is ADVISED TO SWITCH OFF IN MOBILE GASOLINE PUMPS?

Cell phones are asked to be switched off at service stations because they are a potential source of ignition of flammable vapors in that environment. This step was followed after accepting the fact that there is a risk of accidents fire due to ignition of cell phone batteries. As a result of manufacturers and service providers of cell phones asking users to keep cell phones in "off".

• What is spyware?

Spyware is a malicious program that harms your computer and invade your privacy. Spyware include trojans, adware, trackware, dialers, keyloggers and viruses. Spyware confidential information can boot-tion of your computer and slow performance to a crawl. This threat copies its file (s) to your hard drive, your typical file name is: Spyware.exe. This problem can be solved manually by deleting all registry keys.

• WHAT is a monitor TFT?

Thin Film Transistor (TFT) liquid crystal display technology does away with the traditional bulky cathode ray tube (CRT). LCD backlight using a strong light source and control the amount of this light is allowed to reach the points (pixels) selectively allowing light to reach each pixel. LCD achieve this by taking advantage of a key feature of the 'twisted' liquid crystal molecules, their ability to block naturally Butthead polarized light will pass slowly when a small electric field is applied. LCD cells are precisely controlled and arranged in a matrix of rows and columns Hat.

• WHAT IS A FIREWALL "" In computer terminology?

In computer security, a firewall is a device that blocks unauthorized access to a local area network of the organization. A firewall can reside on the management team, the server acting as a gateway on the LAN to the Internet. The firewall keeps track of all files to or from the local area network to detect the source of virus and other problems that could come into the network.

• WHY IS SPAM in the jargon of so called email?

The term spam is derived from the popular song from Monty Python 'sketch Spam', set in a cafe where everything on the menu includes Spam luncheon meat. The chorus repeats "Spam, Spam, Spam 'over and over again, drowning out all conversation. From' Spam 'is the sending of messages identical to a large number of recipients without your permission, has been named. The correct term for that is unsolicited commercial email (UCE).

• WHAT ARE THE CHICKEN SWITCH?

chicken switches are switches that can disable optimizations on the chip (Such as caches) to isolate the problems. When we throw all the "chicken switch" we put the processor in "tinkertoymode." If it still does not work, problemjsjikely to reside elsewhere, in the external memory, for example. We do the same sort of thing in software - to provide a cache configuration with disabilities and other forms of optimization in order to isolate problems.

• WHAT IS A handshake on computers?

Handshake is the process by which two computers initiate communication. A handshake begins when one sends a message to another indicating we want to establish a communication channel. Both teams sent several messages back and forth allowing them to reach an agreement on the communication protocol. Two modems performing a handshake each time they meet, to help them determine the direction of information exchange. If the modem's speaker is on, it can hear the handshake - the number of cries and signals.

• What is CDMA?

CDMA (Code Division Multiple Access) is a digital cellular technology that uses spread spectrum techniques. Unlike competing systems such as GSM, that use TDMA, CDMA does not assign a specific frequency to each user. Instead, every channel uses the full available spectrum. Individual conversations are encoded with a digital sequence pseudo-random. CDMA consistently provides better capacity for voice and data communications than other commercial mobile technologies, allowing more subscribers to connect at any given time, and is the common platform on which 3G technologies are built.

• CAN A COMPUTER Having more of a hard drive?

There are two main types of hard disk used today - IDE (Integrated Drive Electronics) and SCSI (Small Computer System Interface) hard drives. IDE drives are used in personal computers and servers SCSI. Motherboards usually come with two IDE ports integrated. Each port can have two devices connected to it on the same data cable for a total of four devices. DVD.units CD and are also connected to the IDE ports and counts as one of the four devices. A Once you have four devices, then you can add a PCI IDE controller to have more ports for adding devices. SCSI hard drives are connected to a PCI controller SCSI will be able to accept seven devices to the SCSI standard and 15 for the newer, wide SCSI.

• HOW DOES A JOB LASER PRINTER?

A laser printer uses the phenomenon of static electricity as a temporary glue. The basic component is the photoreceptor, typically a revolving drum or cylinder. This is made of highly photoconductive material is'discharged by photons of light. The printer coats the drum with a 'Positively charged toner - a fine black powder. Since it has a positive charge, the toner adheres to areas of high negative drum, but not to the load positive 'background'. With the powder pattern affixed, the drum turns a sheet of paper, which moves along a belt below. Before rolls paper under the drum, you are given a negative charge by the corona wire transfer (charge roller). This charge is stronger than the negative charge electrostatic image, so the paper can get the toner powder away. Since we are moving at the same speed as the drum, the document reflects the pattern of the image to maintain exactly the role of holding the drum is released detac corona wire immediately after picking up the toner.

• COMPANY PRODUCTS THAT The first portable computer?

Designed in 1979 by William Moggridge of Britain for Grid Systems Corporation, the meter of the network is one-fifth of weight of any model equivalent in performance and was used by NASA on the space shuttle program in the 1980s. A 340 kilobytes of bubble memory laptop with cast magnesium casing pressure and folding electroluminescent graphics display screen, this is probably the first laptop ever produced.

• WHAT IS GreenStone digital library programs?

Diorite is a software suite that can serve digital library collections and build new collections. It runs on Windows, UNIX and Mac OS X and offers a new way of organizing information and publishing on the Internet or CD-ROM. It was prepared in the New Zealand Digital Library Project at the University of Waikato, and distributed in cooperation with UNESCO and the Human Info NGO is an open source software. The New Zealand Digital; Library website contains numerous collections exam pie, created with the Greenstone software.

• THAT It was the first cellular service provider?

13.1983 In October, the first call on a commercial cellular system was held in Chicago, and Cellular One service in Washington, DC / Baltimore began in 1984.

• What company produced the first laptop?

Designed in 1979 by William Moggridge of Britain for Grid Systems Corporation, the meter of the network is one-fifth the weight of any model equivalent in performance and was used by NASA on the space shuttle program in early 1980. A 340 kilobytes of bubble memory laptop with cast magnesium casing pressure and folding electroluminescent graphics display, this is probably the first laptop ever produced.

• WHAT IS THE DIFFERENCE BETWEEN ELECTRICAL AND ELECTRONIC DEVICES?

The distinction between electrical and electronic components / elements is twofold. The first, as electrical wires or cables, resistors, etc ie, persons who do not require a power source for operation. Secondly, the power output of the signals applied to them can never exceed the input power is, there is no power amplification. Electronic components such as valves, transistors, integrated circuits, etc. are active elements. They need their own power supply for operation and, depending on the design may or may not can provide power amplification.

• WHY DO CDMA phone with SIM cards?

CDMA phones have phone numbers programmed into your phone and operator programs the numbers on SIM cards. Latest phones have two options. Since all CDMA phone network locked, there is no need for the provision of SIM card. As GSM phones are compatible with any operator, which provides the SIM card that enables connectivity to the network. This makes the operator independent phone.

• WHAT IS THE DIFFERENCE Linux and Unix?

Unix developed by Ken Thompson is a multi-user, multitasking operating system that could be used remotely and was laptop. Dennis Ritchie and Thompson rewrote Unix in the C programming language Linux, developed by Linus Torvalds of Finland, is a variant of Unix. It has all the features UNIX plus some more as environments incorporating graphical user interface. It is particularly strong in networking and Internet-related functions and works with a wide variety of hardware and peripherals, anything Unix can not because your target area of application. The role of open source Unix has remained anyone can access the Linux source code regardless of version.

• WHAT IS GreenStone programs digital library?

Diorite is a software suite that can serve digital library collections and build new collections. It runs on Windows, UNIX and Mac OS X and provides a new way of organizing information and publishing an Internet or CD-ROM. It was prepared in the New Zealand Digital Library Project at the University of Waikato, and distributed in cooperation with UNESCO and the Human Info NGO is an open source software. The New Zealand Digital Library website contains many example collections, all created with the Greenstone software.

• WHAT IS THE CLICK Fraud on search engines?

Click fraud is the practice of artificially inflating traffic statistics to defraud advertisers. In pay per click system, advertisers pay a fee for each click on your link. By using automated clicking programs (called hitbots) or the use of low-cost workers to click on links, the authors create the illusion that a large number of potential customers click on links from advertisers, when in fact there is no likelihood that any of the clicks will result in benefit of the advertiser. Click click fraud fraudsters often take advantage of affiliate programs offered by some search engines.

• How does a global positioning system (GPS) WORK?

The basic principle of operation of GPS is that any point on Earth can be found if it is controlled from four different places. For that reason, the GPS uses 24 satellites in six different orbits at an altitude of 18,000 kms. So, at any time any place is guarded by four different satellites. The GPS device sends a signal to the four satellites. These satellites have a database that contains information of all places on earth. These four satellites, in turn, return the latitude, longitude and altitude of that particular location by referring to its database.

• WHAT IS FM?

FM is frequency modulation. Attach to a carrier wave in the transmitted radio frequency sound signal. The frequency of the radio wave is varied or adjusted properly. When the modulated wave is received by a radio, radio waves are filtered to reproduce audio signal. FM is less susceptible to noise compared with AM or amplitude modulation where the mixing is carried out by varying the amplitude. At the traffic signals TV, sound is FM while the image signal is amplitude modulated.

• WHAT IS FUZZY LOGIC?

Fuzzy logic is a process used in computer science to solve problems relating to ambiguities, as the ambient temperature is too hot, too cold or just right. Multivalued logic used to reach a more precise and thoughtful. By contrast, binary logic known only two states: on or off, yes or no, one or zero.

• HOW TO FIND WORK Internet search engines?

Search engines use automated software programs known as spiders or bots to survey the site and build their databases. Web documents are retrieved by these programs and analyzed. Data collected from each web page is then added to the search index. When you enter a query into a search engine site, your input is compared with the search engine index of all web pages has been analyzed. The best are uris back to you as beating, in order, with the best results at the top.

• How does a GLOBAL POSITIONING SYSTEM?

The GPS receiver is only a receiver, without any transmission capacity. The satellites do not contain any database on the locations, or anything. They contain high-precision atomic clocks to generate some code which continues to be transmitted to the ground. The GPS receiver code multiple satellites, which are slightly displaced in time due to the difference in distances satellites. Using this receiver calculates the difference in longitude and latitude.

• WHAT IS THE FULL FORM OF TFT computer and mobile screens?

Thin Film Transistor (TFT) is a type of flat screen LCD. It is named because each pixel is controlled by transistors. TFT technology provides the best resolution of all flat panel technology, but is also the most expensive. TFT screens are typically designed to operate at a specific resolution.

• What is EDGE technology in mobile mobile? "

EDGE technology is a modulation technique for GSM networks. An Enhanced Data Rates for GSM Evolution (EDGE) is used to increase the network capacity and data rates in mobile networks. EDGE offers data speeds up to 384 kbps.

• Who invented the QWERTY keyboard?

WERTY keyboard (also known as universal keyboard) is used in modern computers. The QWERTY name comes from the first six letters of the row superior. It was invented by CL Sholes in 1872.

• WHAT IS A holographic versatile disc?

RVH is a optical disc technology still in the research phase. It employs a technique known as line holography, whereby two lasers, one red and one blue-green are collimated in a single beam. These discs have the capacity to store up to 3.9 terabytes (TB) of data. The HVD also has a transfer rate 1 Gbit / s.

• WHAT IS A piconet?

A piconet is a collection of devices connected via the Bluetooth technology in an ad hoc. A piconet starts with two connected devices, such as a laptop and cell phone, and can grow to eight connected devices. All Bluetooth devices are units equal and have identical implementations. However, when establishing a piconet, one unit acts as master and slave of others as to the duration of the piconet connection.

• WHAT IS A MICROCHIP?

• WHAT IS A SCHEME ER?

ER Diagram (Entity Relationship) is a schematic representation of a data model based on a perception of the real world that consists of a collection of basic objects called entities and relationships between these objects. It is widely used in the design database. The E / R was introduced by the PP Chen. An entity is a tangible object that exists in the real world, some relevant data can be stored. The qualities an entity that can store all the information are called attributes. For example, if the teacher is an entity, then the teacher's ID, name, etc, all its attributes. An association between various entities is called a relationship.

• What is a dead pixel?

• WHAT VOXML NOT STAND FOR?

The acronym stands for Voice VoxML eXtended Markup Language. It is a combination of IVR (Interactive Voice Response) technology that addresses the digitization of audio and Internet technology. Using VoxML, you can listen to content on a website without using a computer, all you need is a telephone.

• How big is a virus?

The viruses are called molecules lifeless for two reasons: they are parasites and show no signs of life until you enter a machine. They are small creatures. The herpes virus is 100 nanometers or 100 billionths of a meter. In comparison, bacteria are 10 to 100 times larger than the virus.

• WHAT IS THE ORIGIN OF THE WORD ALGORITHM?

A formula or set of steps to perform arithmetic manipulations is called an algorithm. All computer programs are based on algorithms. The origin of this word is the name of an Arab mathematician - Al Khwpresmi. The actual word "algorithm. Arithmos With the influence of the Greek word which means that mathematics, 'Algorithm' changed to 'algorithm.

WHAT IS WYSIWYG?

WYSIWYG mean by 'what you see is what you get. This phrase was popularized with the advent of digital typesetting or electronic publishing with the help of the computer. Initially, improvements print, such as bold, italic, etc, were not visible on the computer screen, but could be reproduced by the printer. The modern word processors show text as it appears in print.

• HOW IS music stored on a CD?

It consists of sound waves which varies from zero to a fixed value continuously. The intensity is converted into an electrical signal equivalent. This signal is sampled at a rapid pace. The instantaneous value of the electrical signal is then digitized and stored on the compact disc using a computer controlled device. A reverse process then the sound plays. The higher the sampling rate, the better the quality of the music.

• IS IT POSSIBLE TO CUT TO INDEPENDENT COMPUTER?

It is common knowledge that a computer connected to a network, a network of networks or the Internet is vulnerable to hackers. In other words, information stored on these computers is not secure. Professor Ross Anderson of Cambridge University, however, illustrates that pick up radio signals by the video monitor can even enter a separate computer.

• HOME Why are all mobile number with the digit 9.

According to the Regulatory Authority for Telecommunications of India (TRAI), number of premises is permitted in the range of 2-8. While 0 is used to access STD one is used for special issues. Therefore, the left digit 9 only.

• HOW DOES A COMPUTER keep track of time even when turned off?

Our teams are not run by a single operating system, but the BIOS (basic input output system) pernianently found in the chips on the motherboard to which virtually all computers connected. The BIOS is kept powered by a button cell (Approximately 1.5 V) or any variant. The cell is present in the advice and assistance to the BIOS to remember not only time, but some hardware configurations, so the GUI (graphical user interface) is synchronized with the time of BIOS all the computer starts and therefore shows the computer shows the correct time.

o What BLACK BOX is EVIDENCE?

Testing software based on the output requirements and without any knowledge of the internal structure or coding in the program is known as evidence black box. Black box testing, concrete box or functional testing is used in computer programming, software engineering and software testing to verify that the results of a program, given certain inputs, conform to the functional specification of the program. A complementary technique, testing or white box testing structural uses information about the structure of the program to verify that it works correctly.

• WHAT is meant by Web browsing?

If you want some information on a topic of your Internet connection, you will have the option of using search engines and many websites. Open one by one and gather information on the subject that is of particular interest to you. This is called surfing.

• WHAT It is Java?

Java is claimed to be universal programming language that is used to operate all devices, including those used in homes, like toasters, ovens, irons and geysers. The word 'Java' represents the coffee that is exported from China to the U.S..

• WHAT IS HTTP?

HTTP stands for "Hypertext Transfer Protocol." It is a protocol governing the pages designed HTML (Hypertext Markup Language) that allows users to access information stored in many computers, regardless of their geographical location. HTTP has revolutionized the field of information technology and is the backbone of the Internet or information superhighway.WHO COINED EXPRESSION OF THE WORLD WIDE WEB? WWW or the World Wide Web, a synonym of the information superhighway or the Internet, was, surprisingly, coined by a group of nuclear physicists working at the European Centre for Nuclear Research in Geneva.

o What are the glacial lakes SUPRA "And where can you find them?

Supra-glacial lakes are found on the surface of glacier ice in the early melt season. They are in the areas of temperate glaciers.

• HOW CYBERSQUATTING WORK?

Under a U.S. federal law 1999 known as the Anti-cybersquatting Consumer Protection Act, cybersquatting means registering, trafficking, or use a domain name with bad faith intent to profit from the goodwill of a trademark belonging to someone else. Refers the practice of buying domain names reflecting the names of existing companies with the intention to sell the names of a new benefit to companies when they go to their websites.

o How does a Jerk-O-METER?

It's a tone and speech pattern recognition that helps rate how to hire a person in a conversation. Is graded on a scale of 1-100. Researchers at the Massachusetts Institute of Technology (MIT) are developing software for cell phones than voice analysis patterns and voice tones to do this. It is seen as an important tool for improving relationships and has great potential in telemarketing.

o What is BALL TOKEN INSTRUMENT Neale?

Designed by Neale, an engineer with the GIP Railway (now Central Railway) is an electro-mechanical instrument that each station in a single rail line ections. Ensuring safety in train operations through the removal of chips that are given to train drivers, the authority to enter a block section. The chips are spherical balls of steel, which are issued so that only one token can deliver an address at a time after to ensure that the previous train has cleared the section and there is another train between stations. Each station has one instrument for each direction, which are connected electrically to the instruments of the same nature at the stations adjacent to each side. This ensures that only one train can enter the block section at a time.

• WHO INVENTED THE DICTIONARY T9 mobile phone?

The inventors of the T9 predictive dictionary used in cell phones are Svensson Henrik Brun (Denmark) and Stephen Williams (Finland). This method of predictive text input helps you write effective SMS. Improved method multi-tap common as fewer button taps total needed. This is achieved by using a small, easy access to automatically display the word dictionary more often required for a sequence of keystrokes.

• What is a crystal radio?

Radio Glass is the basic form of a radio, which can detect radio signals without a power supply. There are very few parts and can be built quickly with the elements commonly available. It works best if there is a transmitter within 40 km of the series. Simple crystal radios are often made with one hand a few parts as an antenna wire adjust the coil of copper wire, crystal detector and earphones. Receives a crystal radio programs broadcast radio stations that convert sound into radio waves and send signals everywhere. The glass radio antenna, a long cable, picks up the signals and passes through the electronic system as a whole today. It uses a crystal detector to convert this radio wave electricity to sound electricity. The detector can be made from a special gallery stone on a stand. Use the headphones to convert electricity to sound you can hear the sound.

• WHATS THE WORLD'S FIRST SOFTWARE?

Ada Lovelace wrote a crude program for the Analytical Engine designed by Charles Babbage in 1827, but the machine has never been implemented, hi 1 949, the code short speech appeared. It was the first programming language for electronic devices and requires the programmer to change their statements in zeros and ones by the hand.

• HOW IS A SATELLITE PHONE Unlike a cell phone?

Satellite phones phones are wireless devices. Almost disappear, but the way they work is totally different. A cell phone functions on the basis of cells, and Hence it is called cell phones. The whole network area is divided into small areas and an antenna that is installed in each area. These are also called towers. When a cell phone is moving, comes from one cell to another. After crossing the border of a cell phone sends a signal to the MTSO (Mobile Telephone Switching Office). With the help of the database control MTSO channels resets the phone on a new cell or area. Satellite phones use low-orbit (LEO). When a satellite phone is activated, a signal up to any number of satellites of a group is registered with the phone. When a person make a call from the phone, a signal goes to the nearest orbiting satellites. The satellite is connected to the gateway or ground station. Then Gateway is the call to the destination.

• WHAT IS THE SPACE VEST the 3rd?

These vests help users Virtual withstand blows, literally A U.S. surgeon has invented a vest that allows computer gamers feel like gunshots beatings, stabbings, etc while playing games. The vest uses air pressure and feedback from the computer to simulate hits in the regions of the torso of a person, have been affected if the person were really fighting a battle. Designed by Mark Ombrellaro and was originally intended for medical use.

• WHY IS THE ADDRESS USED IN @ symbol E-MAIL?

An email address identifies a location to which emails can be delivered. The first e-mail delivery of two machines recruitment was done in 1971 by Ray Tomlinson, a programmer at Bolt, Beranek and Newman, an engineering company in Cambridge, Massachusetts. I needed a way to separate, in the e-mail address, user name user's machine was running. I wanted a character who does not, under any conceivable circumstances, is in the name of the user. He looked down at the keyboard and elected the @ symbol between the different punctuation marks available on the Model 33 teletype keyboard. I had no idea he was creating an icon for the connected world. Today e-mail is the most used application on the Internet. Each email account has a unique address. A general format for an address e-mail is: username @ computername. The part before the @ sign is the local part of the URL, the user name of the recipient, and the part after the sign @ Is the domain name is a host computer.

• Interet interplanetary WHAT IS?

If the Internet allows users to obtain. The information from anywhere in the world, then the interplanetary Internet will allow users to access information and even control experiments taking place far from Earth. Vinton Cerf, considered the founding father of the Internet and co-creator of the interplanetary Internet, is currently working on standards to guide Internet communications in the space age.

• WHAT IS CYBERSLACKING?

It is a slang term used to describe employees who surf the Web, write e-mail or enjoy other things, the activities related to network at work that are not related to their jobs. These activities are carried out during the time periods that are being paid by your employer. The individual is called cyberlacker, while that the act is cyberslacking. Es is also called as cyberloafing.

• WHAT IS CRYOPTOGRAPHY?

It is the implement encryption and decryption of messages in secret code to make them unintelligible to all but the intended receiver can also refer to the technique cryptanalysis, through which the cryptographic codes are broken. Overall, the science of secure and secret communications, involving both of cryptography and cryptanalysis, is known as cryptography. Today, the principles of cryptography encryption applied to the fax, television communications and computer networks. The secure exchange of computer data is of great importance to the banking, government and commercial communication.

• What is a VOCAL JOYSTICK?

The "Vocal Joystick" was developed by researchers at the University of Washington. This is software that allows people with disabilities who can use their voice, but not the hands or arms, to control a cursor using sounds. This joy stick detects sounds 100 times per second and converts it into movement on screen.

• WHAT IS A SPIDER ELECTRONIC?

Electronic spider, also called a web crawler or web robot one is a program you can visit the pages on the World Wide Web automatically methodical. They are the most commonly used by the search engines to surf the web and copies of new pages for engine indexes are updated periodically Spiders are also used by some sites to maintain their pages to ensure that the hyperlmks are updated and the HTML is valid. Also is said to be used by spammers to capture email addresses contained on the website.

• WHAT IS THE WEB 2.0?

- The Internet as we know, has been around for over 10 years. It has been used primarily to search, browse and read static information. Now, it's becoming something very different. We are now in what is called Web 2.0 era, where the internet is more about interactivity. The concept began with a brainstorming session between O'Reilly and MediaLive International in 2004. Web 2.0 can be defined as a set of technologies that enable collaboration and exchange among Internet users. The tools of Web 2.0 are Web pages, Web-based communities and hosted services such as social networking sites, encylopaedias line like Wikipedia, blogs and podcasts, etc.

• WHY IS SPAM called spam?

A possible origin Vikings famous song from Monty Python's Spam sketch lover goes spam spam spam spam spam spam lovely Spam, wonderful Spam ... " As the spam is repeated several times until you get tired of hearing, is chosen to refer to any value, repetitive e-mail. In addition, the canned meat called spam lunch, made by Hormel, is frowned upon in the U.S. and most Americans believe no nutritional value to be set aside at the first opportunity. A group of computers at a university was supposed to have described unsolicited junk e-mail as spam, because it shares many properties with the meat.

• WHAT IS A "NANO FACTORY?

Researchers in Japan have invented a small brain that can act as a remote control for swarms of nanomachines. They simultated eight as nano-machines to create a "nano factory." According to experts, nano-machines could also be used to increase the processing power of future computers. They also have high hopes for nano-machines for the treatment of diseases. The machine consists of Duroquinone 17 molecules of the chemical. Each one is known as a logical device. "

• WHAT IS cybersquatting?

Cybersquatting is the registration of a website popular brand names. The word in this context means squat unauthorized occupation property of another person in the Internet domain, business techsavvy register a website on the popular brand names, whose owners do not have own website. This can lead to misinformation in the media on the Internet about products or services of the brand is sold in the market. The brand owners, naturally, would like to buy domain, either to give authentic information about products and services or to stop the harmful effects of such sites and misrepresented. The first person who registered the name Brand sold the site and make a profit. The ethical and legal aspects of this practice are ambiguous and the intent of the original owner of the site can be true or false pretenses.

• What is MySQL?

MySQL (pronounced'my-ESS-cueel ') is an open source, multiuser true multi-threaded relational database management system (RDBMS) that uses structured query language (SQL). MySQL was developed by two Swedes and a Finn - David Axmark, Allan Larsson and Michael Widenius. It was written in C, C + +, and was first released in 1995. Today, MySQL has more than 11 million installations. MySQL is fast and flexible enough to allow storage of records and photos in it. Its main goals are speed, robustness and ease of use. MySQL code open, 100% GPL (General Public License) database. This provides a great opportunity for open source and cornmunity those who are developing software code open.

• WHAT IS SONET reference to an optical network?

Sonet (Synchronous Optical Network) is a high speed, the physical network layer designed to carry large volumes of traffic over relatively long distances on fiber optic cabling or lightemitting laser diodes (LED). Provides a standard interface for communications companies to connect networks based on fiber optic cable to handle various data types (voice, video, etc). Sonet defines a technology for carrying many signals of different capacities over a synchronous, flexible hierarchy, Optical This is achieved through a multiplexing scheme byteinterleaved. Byte-interlacing simplifies the management of end to end network multiplexing and offers. Sonet was proposed by Bellcore in the mid 80s today arid ANSI standard. It is a successor to the technology of other well-known media implemented in the fiber optic network called PDH (Plesiochronous Digital Hierarchy). It has several features that make it good for the Internet today: interoperability is defined clear standards between different vendors' products. You can take almost any higher level protocol (including IP), and includes integrated support for easy management and maintenance. Sonet has become a powerful protocol that is used extensively for large networks and high performance.

• WHAT IS A SEMAPHORE?

A traffic light (pronounced uh fawr SEHM invented by Edsger Dijkstra) in computer science is a classic form to protect shared resources such as programming environments for various Unix systems, semaphores are a technique for coordinating or synchronizing activities in which several processes compete for the same operating system resources. A process that needs control of the resources of the semaphore to determine status of the resource and then decide how to proceed. Depending on the value found, the process can use the resource or is already in use and must wait a while before trying again thus avoiding deadlocks.

• How does a LASER MOUSE?

A laser mouse a type of optical mouse. It uses a laser beam that is invisible or nearly invisible to the human eye. The laser beam emitted by moving the mouse with the user's hand, which caused an optical sensor system. It works in conjunction with a system that tracks how far the mouse has moved by bouncing hundreds of images per second, constantly update the mouse position and the subsequent position of the cursor on the screen.

• Who invented the PEN DRIVE?

A pen drive is another term for USB (Universal Serial Bus) flash drive and is basically a data storage device. Drive pen was invented in 1998 by IBM, intended to replace the drive in its ThinkPad product line. The flash drive was manufactured first by M-Systems under contract with IBM and was called the disgo. The disgo came in various sizes: 8 MB, 16 MB, 32 MB and 64 MB. Disgo Following the launch of a number of pen drives of different sizes, types and brands of wine in the market. Today, the pen drives are used in a wide range of devices such as mobile phones, game consoles and digital music players.

• WHAT IS THE EFFECT OF BEER GOOGLE?

The effect of beer is Google concerns the tendency to Google information about someone who we met for the first time. This usually occurs when you consume alcohol, and under his influence, which looks at the person on the Internet. For example, I met Geeta at the bar ABC for the first time and she says that she works for XYZ Inc. Immediately Upon returning home, beer-google me using your search string "Geeta XYZ Inc '.

• THAT is the first social network site?

The first social networking site classmates.com was established in 1995. It introduced the concept of user profiles and short messages sent and received by friends in the website. The primary purpose was to maintain contact with old friends. Sixdegrees.com which came in 1997, is considered the first social networking website to have all the features in one package.

• APPLETS ARE WHAT?

An applet is a small application. Before the World Wide Web, the built in writing and drawing programs that came with Windows were sometimes called applets. On the Web, using Java, an applet is a small program that can be sent with a Web page to a user. Java applets can perform interactive animations, immediate calculations, or other simple tasks without having to send a user request to the server.

• SEE WHAT bloatware?

Bloatware, also called junkware, adware and Demoware, refers to software pre-installed and trial software that come with Windows. While it is a ploy to get consumers to buy the software, most users consider it junk and confused with various icons or toolbars that appear on their computers. Bloatware can also clog the system and slow it down.

• WHAT It is the theory of time preference of interest?

The time preference theory of interest is also known as Agio Theory of interest. It was presented by Bohm Bawerk, who said that interest is an agio (reward) or (premium) for time preference. People prefer current income, consumption This and the satisfaction of current needs, which means that people are eager to spend. To induce a postponement of consumption, be compensated by interest payments. People prefer to present to the future because the future is uncertain and desires of today can not be satisfied tomorrow. Irving Fisher improved this, stating that "The time preference rate measures the rate of interest. "The higher the time preference, the greater is the impatience to spend, and therefore, the higher the interest rate a lower time preference, the lower the interest rate. According to Fisher, people with low incomes, uncertain about their future and wasteful require high interest rates while their opposites require very low amount of interest.

• WHY BLACK BLU-RAY DISC ON TOP?

Blu-ray uses a blue violet technically) laser operating at a wavelength of 405 nanometers (nm) to read and write data. Conventional DVDs and CDs use red and near infrared laser at 650 nm and 780 nm respectively. Because the Blu-ray Disc data layer is closer the disk surface, compared with standard DVD, which was at first more vulnerable to scratches. The first discs were housed in cartridges for protection. Now, rewritable media are spin-coated with a scratch-resistant and antistatic, which gives the disc surface black.

• What GOOGLE is a bomb?

A Google bomb is an effort to inflate the ranking of a website to search for a particular term. Google gives importance to the pages linking to a particular page for classification. In the case of Google bombing, pranksters use a linking phrase to a page particular for their time from multiple sites, to push that page to the top of search results.

• WHAT IS THE COMPUTER GRID?

Grid computing is a parallel processing architecture in which CPU resources shared across a network, and function of all machines as one large supercomputer. A well known example is the constant search for extraterrestrial intelligence in which thousands of people share unused processor cycles on their PCs in the search for signs of great sound signals from outer space.

• WHAT IS BlueJacking?

Bluetooth is a wireless radio technology that allows computers, mobile phones, laptops, etc. to communicate each other in a limited range. Bluejacking is the term is based on two words - Bluetooth and a kidnapping. It refers to sending unnecessary messages and anonymously through the use of Bluetooth enabled devices such as a contact.

• SEE WHAT pharming?

Pharming involves routes alternatives for traffic from a particular website a pirate. This is done by exploiting the weaknesses of your site's domain name system server. Pharming poses major problems for businesses and ecommerce sites.

• How much data contains NO INTERNET?

Estimation of Internet data is complicated but contains some estimates. According to one, the amount is approximately equal to 500 pages crore. Other measures the amount total digital data in the world in 2010 would be 12 stacks of pages, each of which would be twice as long as the distance between the Sun and Pluto.

• WHAT IS VIRAL MAIL?

A viral email is an online chain letter that is sent from one person to another, almost as old talking drums. The term 'virus' virus comes from, ie, pass-along. viral emails are usually humorous in nature, that can forward to friends or a person that can be used to spread a message of social significance that can reach the whole world in rapid These messages are also used commercial purposes - called viral marketing or advertising.

• WHAT IS THE DIFFERENCE BETWEEN computer screen and a video game?

The primary device for the PC is a keyboard and mouse, while all systems come with the game consoles pads used to control movement within the game. Technically, a computer game can be considered as a composite of a computer-controlled virtual universe. A game is a team game where a display video feedback is the primary, which is displayed on a television screen.

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