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    • USB Device Not Recognized

      USB Device Not Recognized

      A common problem that arises for computer users is dealing with the USB Device not recognized error. This error is thrown after an electronic device is connected to the computer or USB hub but is not automatically detected. When the error occurs, the Windows Device Manager may also list the component as an “unknown device”

    • Signal to Noise Ratio

      Signal to Noise Ratio

      The Signal to Noise Ratio is a ratio of desired signal to undesired signal (noise) in the average power level of a transmission. The signal is what you are measuring that is the result of the presence of your analyte. Noise is extraneous information that can interfere with or alter the signal. It can not

    • World Wide Name (WWN)

      World Wide Name (WWN)

      A World Wide Name, or WWN, is a 64-bit or 128-bit name assigned to each manufacturer of network storage devices and fiber channels by the Institute of Electrical and Electronics Engineers, or IEEE. Each network storage device that a manufacturer produces must include the manufacturer’s WWN, which is used to identify a network storage device

    • L1 Cache

      L1 Cache

      The L1 cache refers to the first tier in a computer processor’s memory cache system that increases the speed at which the processor delivers results to the user. The L1 cache sits between the processor and the computer’s RAM (Random Access Memory) and stores the user’s most accessed data in order for the processor to

    • How to Burn a DVD

      How to Burn a DVD

      As the price of blank, burnable, DVDs has dropped over the past decade, the demand to learn how to burn a DVD has increased amongst computer users. Single-sided, single layered DVDs can now store 4.7 gigabytes (GB) of data, music, movies, or combination of the media types. If using a double sided, or dual layered

    • SD Card

      SD Card

      A SD card, or Secure Digital card, is a memory card used in portable devices for non-volatile memory storage. The cards are commonly used in tablet computers, cell phones, digital cameras, and GPS devices. The SD standard was first introduced in 1999 as an improvement over MultiMediaCards. The standard for SD cards is maintained by

    • How to Clean a DVD

      How to Clean a DVD

      DVDs do not require frequent cleaning. In fact frequent cleaning may spoil the DVD. Hence it is best to clean the DVD when it is absolutely necessary. You can clean the DVD before storing it and when you notice contamination on its surface. You can also clean the DVD when you find that the readability

    • How Wireless Speakers Works

      How Wireless Speakers Works

      The Need for Wireless Speakers A common complaint against home audio systems has been the cables that interconnect the speakers to the audio receiver, tuner, cd player, or stereo units. As more and more channels are added to modern home audio equipment the problem of connecting the speakers to the audio sources has exacerbated. Running

    • 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

    • How to Clean an LCD Screen

      How to Clean an LCD Screen

      No matter where LCD screens are kept, they will always need cleaning from time to time. Cleaning an LCD may seem like a daunting task, but there are a few simple ways to clean it without damaging to scratching to surface. Retail There are many cleaning solutions available in shops. However these may seem a

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