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Lossless Compression

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Lossless compression is any compression format where all information in the imput stream is preversed in the output stream. Audio Formats which use Lossless Compression Lossless compression is less commonly utilized in computer audio file formats than lossy compression. Audio file formats which use lossless compression include: Free Lossless Audio Codec (FLAC) ALAC Direct Stream Transfer (DST) Monkey’s Audio APE RealAudio Lossless Shorten (SHN) The True Audio (TTA) WavPack lossless WMA Lossless Lossless Compression vs. Lossy Compression The alternative to lossless compression is lossy compression. Lossless compression yields smaller output Read More

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What is a Hypervisor?

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A hypervisor is a virtualization technique that runs multiple operating systems on the device. While non-hypervisor virtualization techniques run multiple operating systems on domestic computers and hand-held devices, hypervisors are used exclusively on devices whose sole task is to run multiple guest operating systems for commercial or industrial purposes. Hypervisors are used in gaming technologies, commercial servers, and malware systems. They are effective at reducing system requirements by running simultaneous virtual systems on the same hardware and sharing that hardware’s resources. How Hypervisors Work Hypervisors mimic operating systems by running Read More

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Computer Privacy Screen

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Computer privacy screens, sometimes called computer privacy filters offers added security by making any image on the screen visible only to the computer user sitting directly in front of the image. Other angles that are not in direct view of the screen are distorted or blacked out completely. Types of Computer Privacy Screens There are three main types of computer privacy screens, they include; CRT (cathode ray tube) monitor privacy screens, LCD monitor privacy screens and laptop monitor privacy screens. Computer Privacy Screens Fabric and Installation In general, computer privacy Read More

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DDR SDRAM

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DDR SDRAM is Double Data Rate SDRAM. DDR SDRAM is an improvement over regular SDRAM, also known as SDR SDRAM (Single Data Rate SDRAM). DDR SDRAM doubles the bandwidth of SDR DRAM by transferring data twice per cycle on both edges of the clock signal, implementing burst mode data transfer. DDR SDRAM is being supplanted by DDR2 SDRAM. Standard DDR SDRAM DIMM's DDR SDRAM is normally packaged in DIMM modules. DIMM Module Chip Type Clock Speed Data Rate Transfer Rate PC1600 DDR200 100 200 1,600 PC2100 DDR266 133 266 2,133 Read More

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Audio Data: Tag 8192

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If you are a Real Player audio user who wants to download a file or play some audio or audio-video file and all code programs are not present, you may receive an error message “Audio Data: Tag 8192”. Naive computer users and people who are not really technically savvy would usually find the error message odd and if you are not really into it and try fixing the problem by changing the settings in your divx, musicplayer or real player program. If you do this, chances are you might end Read More

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Docking Station

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With the explosion of popularity of high-performance, powerful laptops in recent years, there is an ever-increasing desire from computing users to use the same laptop computer at home or in the office as they do on the road. However, to conserve space, weight, and functionality, many of these sophisticated laptops must sacrifice in other areas. Many ports that are typically available on desktop computers that connect peripheral devices and extra hardware options are usually the first to be forfeited on laptops. In any case, with laptop hard drives growing to Read More

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How to Burn a VCD

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If someone is looking for an alternative to burning video on a DVD, one of the easiest and most affordable forms of media, he/she can burn what is called a VCD (Video Compact Disc). While DVDs are a great way to store large files, especially video and sound, VCDs, while smaller in size, can easily store video as well. The only difference between a VCD and compact disc is that it includes both video and audio files. Most CDs only include audio files. VCDs offer the same amount of storage Read More

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USB (Universal Serial Bus)

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USB is an external hardware interface and communication standard used for connecting varied peripherals to a computer. These peripherals include mice, keyboards, scanners, digital cameras, mobile phones, printers, digital audio players, external hard drives, memory sticks, gaming peripherals and so on. It supports plug and play installation and hot plugging. USB has almost entirely replaced the usage of serial and parallel ports. What does USB Stand For? USB stands for “Universal Serial Bus”. Originally released in 1995, USB ports began to appear in newly manufactured computers in 1997. Windows 98 Read More

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Lithium Polymer Batteries

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Lithium Polymer batteries are a type of Lithium Ion rechargeable battery. Lithium Polymer batteries utilize a dry polymer which enables them to be manufactured in a greater variety of shapes and sizes than Lithium Ion batteries. Lithium Polymer batteries also utilize a gelled electrolyte to increase conductance. These batteries may be more correctly referred to as Lithium Ion Polymer batteries. Lithium Polymer Battery Pros and Cons Pros: Flexible form factor – Lithium Polymer batteries can be manufactured in a wide range of shapes and sizes Lightweight – Lithium Polymer batteries Read More

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How to Copy DVD Movies

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Movie lovers may like a movie on a DVD and want to copy it to a blank DVD to save the cost of buying the original DVD. With the help of DVD burning software such as DVD ripper, copying a DVD is possible. Most DVD ripper software is shareware, which means that it can be tried for free for a limited period, after which the user must pay for the full version. DVD Software for Conversion Software like Clone DVD can copy DVD movies with a single click. Users can Read More

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