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    • How Color Television Works

      How Color Television Works

      If you are wondering how a color television works, you should first understand how a standard TV set works and how the brain perceives TV signals. How a TV works For the most part a TV station broadcasts a television program by converting a television program (sound and video) into a radio frequency which is

    • What is NetBEUI?

      What is NetBEUI?

      NetBEUI (NetBIOS Extended User Interface) is an extended version of NetBIOS, the primary software that allows individual computers to communicate within a given local area network. While NetBIOS itself is most often used to transfer pictures, documents, videos, or other files from one computer to another, NetBEUI is responsible for arranging the actual information in

    • How to Convert RAR

      What is RAR RAR is a file format for compressed and archived files that was made popular by WinRAR, a free alternative to WinZIP. RAR stands for Roshal Archive and is used for data compression, data preservation/error recovery, and data encryption. RAR is most oftenly used to transfer files over the Internet because it can

    • MBR (Master Boot Record)

      MBR (Master Boot Record)

      The MBR is the Master Boot Record. The MBR is a small program which runs whenever a computer boots up. The MBR is stored in the first sector of the boot disk. The boot disk may be a hard drive, a floppy drive, or even a CD or DVD drive. The Task of the MBR

    • Crystal Radio

      Crystal Radio

      The crystal radio is a rudimentary radio receiver that can be made from a few easy-to-obtain and inexpensive parts. It is unique for this type of radio does not require a battery pack, has no moving parts, and can be built using ordinary household materials, yet it actually works. The only power it receives comes

    • Pharming

      Pharming

      Pharming is a process whereby plants and animals are genetically modified to become carriers of genes that stimulate the production of substances that have useful pharmaceutical applications. Thus, the term pharming is actually a play on the words pharmaceuticals and farming. To explain the process in simple terms, a foreign gene is introduced into the

    • Telephone Tone Frequencies

      Telephone Tone Frequencies

      The Low Tone is a generic tone used with various interruption patterns for the specific tones listed below: Line Busy Tone Reorder Reverting Tone No Circuit Tone No Such Number Vacant Code Group Busy Tone Deposit Coin Tone Vacant Position Tone Dial Off-Normal Tone Trouble Tone Dial Jack Tone Dial Test Signal Class of Service

    • AES/EBU

      AES/EBU

      Experts in science and technology developed a known digital audio standard, AES/EBU, to handle signals from digital audio systems. It is known officially by the name AES3 and an Audio Engineering Society and the European Broadcasting Union developed it, hence the name. It was first publicized in 1989, but was revised later in 1995, 1998,

    • What is an Astable Multivibrator?

      What is an Astable Multivibrator?

      A multivibrator is a device that switches between two states. It is a type of oscillator and can be used as a trigger, converter, moderator, or divider. It usually produces changes in a system at timed intervals, depending on the number and placement of resistors and other elements within the system as well as the

    • How to Open a Simplex Lock

      How to Open a Simplex Lock

      Simplex locks, now manufactured by Kaba Ilco, are simple push-button combination locks. Simplex locks are used to protect equipment rooms, labs, and FedEx-type boxes. Simplex locks are used whenever having a large number of keys would create logistical problems. Simplex Lock Combinations The Simplex lock would be a normal 5-button combination lock, except for one

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