Epson ActionDesk 4000 User Manual - Page 136
Internal cache, Jumper, Key disk, Kilobyte KB, Local bus
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IDE Integrated Drive Electronics. A type of hard disk drive interface in which the controller is on the drive instead of on a controller card. Your computer includes an interface on the main system board for up to two IDE hard disk drives. Internal cache Cache memory built into your microprocessor. Your computer includes 8KB of internal cache. Jumper A small moveable plug that connects two pins on a device's circuit board. Jumpers alter the operation of a particular function. Key disk A diskette containing a copy-protected program that must remain in a diskette drive while you use the program. See also Copy-protected program. Kilobyte (KB) A unit used to measure storage space in a computer's memory or on a disk. One kilobyte equals 1024 bytes. Local bus An internal bus that controls the connections from the microprocessor to the VGA and IDE interfaces on this computer. Local bus provides increased performance and speed. See also Bus. 4 Glossary
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