Acomdata m-hdxxxuhe5-72 ユーザーズマニュアル

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Bit - The basic unit of binary data, represented logically as a 1 or a 0.
Buffer – See “Cache.”
Bus – An electronic link that can convey data between devices, such

as computers and peripherals.
Byte – A basic unit of digital data, usually made up of eight bits

(octet). A byte holds the equivalent of a single character, such as the

letter A. Storage capacity is measured in bytes, kilobytes (KB), mega-

bytes (MB), gigabytes (GB) etc.
Cache – A memory buffer that stores frequently used disk data in RAM

so the data can be read at a faster rate than if accessed from the disk.
Device Driver – A software program that enables a computer to com-

municate with peripheral devices, such as hard drives and CD-ROM

drives. Each type of device requires a different driver.
FAT32 – A file system that organizes files on a disk. This file system is

standard for Windows 98SE and Me, and is supported under Windows

XP, 2000 and the Mac OS.
File System – The method for storing and retrieving files on a disk. A

file system defines the directory structure for keeping track of the files

and the path syntax required to access them. It also defines the way

files are named as well as the maximum size of a file or volume. FAT32

and NTFS are file systems used on PCs; HFS is common on Macs.
Format – Preparing a disk partition for the storage and retrieval of