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    • How Long Do VHS Tapes Last?

      How Long Do VHS Tapes Last?

      Just like every other technology, video home system (VHS) recording tapes are being affected by technological change. Just as consumers become used to one form of home technology, a new and better technology comes along. Unfortunately, consumers have already recorded many precious moments on their VHS tapes and are increasingly finding that they do not

    • How to Remove Write Protection from an SD Card

      How to Remove Write Protection from an SD Card

      An SD (Secure Digital) card is a portable storage device that stores data even when it is not powered. SD cards are very small and fit in many portable devices such as cameras, video game consoles, and cell phones. They can also be used with both desktop and laptop computers if the user purchases an

    • How to Solve “PXE-E61 Media Test Failure, Check Cable” Error

      How to Solve “PXE-E61 Media Test Failure, Check Cable” Error

      PXE (Preboot eXecution Environment) is a boot environment that Intel created. The PXE allows a workstation to boot up by using a network interface before it boots the operating system from the local storage devices such as the hard disk. When hard disk boot failure occurs, the computer will not boot up and a message

    • What is a Hackintosh?

      What is a Hackintosh?

      Hackintosh is a hacked PC that runs on MAC OS X OS (“Lion”, “Snow Leopard” , “Leopard”). ¬†At first, a lot of people thought that this was impossible to run MAC OS on a non-MAC hardware because of the different software, drivers, and utilities being used between the two. It all started when Apple decided

    • How to Repair a Broken Hard Disk

      How to Repair a Broken Hard Disk

      Broken hard disks can be both a nuisance and a major loss to business and personal affairs whenever files are lost or inaccessible. Fortunately, there are several things users can do to repair a broken hard disk before throwing it out in order to restore lost or inaccessible files.   Let the Hard Disk Cool

    • PATA (Parallel ATA)

      PATA (Parallel ATA)

      PATA is an abbreviation for Parallel Advanced Technology Attachment. It is a regular interface that is used within PCs to connect all kinds of storage devices like hard disks, CD or DVD drives and solid state disks to the motherboard. The PATA interface connector is made up of thirty four pins and is connected to

    • How to Measure Sound Quality

      How to Measure Sound Quality

      There are many ways to measure sound quality. Many measurements have been created to specifically measure and rate the quality of sound. Here are a few of the most common types of measurements used for sound quality. THD THD stands for Total Harmonic Distortion. It is a measurement taken to view the total amount of

    • What is a Gigaflop?

      What is a Gigaflop?

      Flops are a special acronym that describes a unit of measurement known as "FLoating point Operations Per Second". This measurement is extremely important in determining the amount of operations which could be handled by computer technologies. In today's computing, gigaflops of data can be handled by different hardware options. A gigaflop is a measurement in terms of one

    • 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

    • Live CD

      Live CD

      A live CD is a bootable CD-ROM disk that loads an operating system and has the ability to perform a specific set of tasks or functions. Live CD Minimum Requirements A system must have the following components to boot a live CD. Some items, such as a computer case, isn’t really necessary for a computer

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