Alpha 3000 Instruction Manual download pdf (Page 270)

boot server

A system that provides boot services to remote devices such as

network routers and VAXcluster satellite nodes.

buffer

An internal memory area used for temporary storage of data

records during input or output operations.

bus

A group of signals consisting of transmission lines or

wires to create a common channel or pathway. The bus

interconnects either internal computer system components

to provide communications paths for addresses, data, and

control information or external terminals and systems in a

communications network.

bus interface unit

Hardware designed to interface internal logic, a module, or a

chip, to a bus.

byte

A group of eight contiguous binary digits (bits). Bits are

numbered from right to left, 0 through 7, with bit 0 being the

low-order bit. See also kilobyte and megabyte.

cable

A sheathed group of electrical conductors.

cable junction box

A small box attached to the monitor cable from which the BNC

connectors emerge.

cache

See cache memory.

cache memory

A small, high-speed area of memory placed between slower main

memory and the processor. Cache memory increases memory

transfer rates.

Glossary–4

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Alpha 3000 Instruction Manual Page 270