Glossary
Sony Notebook User Guide
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Term | Definition | |
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maximum RAM | The maximum amount of RAM that your computer can contain. Once this amount is |
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| reached, you can no longer add additional RAM to your computer. |
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Motherboard | The motherboard is the main circuit board inside your computer. It holds the CPU, the BIOS, |
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| the memory and so on. |
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MPEG | MPEG or Moving Pictures Experts Group is a standard for |
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| sequences. MPEG achieves high compression rates by storing only the changes from one |
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| frame to another. The decrease in data is generally imperceptible to the human eye. |
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| achieves better image and audio quality and is more targeted to TV broadcasting and DVD. |
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Operating system | The operating system is software that manages all the other programs in a computer. It |
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| defines how the computer reads and writes information to its disks (and other hardware). |
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| Windows 2000, Windows Millennium Edition, Windows XP Professional and Windows XP |
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| Home Edition are examples of operating systems found on VAIOs. |
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Partition | A partition is a logical division of a computer’s hard disk. A |
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| typically contain C: and D: drives. Partitioning is particularly useful if you run more than one |
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| operating system or to clearly separate your data files from your installed software. |
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PBX | A PBX (Private Branch Exchange) is a private telephone network within an enterprise. Under |
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| this system, the calls between the enterprise members are local and the phone numbers are |
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| made up of 3 or 4 digits. Companies generally choose this phone system for internal |
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| communication because it is less expensive than the regular network. The users can still |
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| share a number of outside lines for making calls external to the PBX. |
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PC Card | A PCMCIA card. The term PC Card is more widely used than PCMCIA. See PCMCIA. |
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