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An internal commmunication pathway inside a computer that specifies the source and target address for memory reads and writes.
Address Bus
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Special computer memory that temporarily stores data used by the CPU.
Cache Memory
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A computer CPU architecture in which processor components are reconfigured to conduct different operations as required.
Complex Instruction Set Computer (CISC)
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An internal communications pathway that keeps the CPU informed of the status of particular computer resources and devices, such as memory and disk drives.
Control Bus
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An internal communications pathway that allows computer components, such as the CPU, display adapter, and main memory, to share information.
Data Bus
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A computer CPU architecture that grew out of the RISC-based architecture, and enables the processor to work faster by performing serveral operations at once, predicting and speculating about operations that will come next (so that they are even completed before requested).
Explicitly Parallel Instruction Computing (EPIC)
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The speed at which the processor communicates with the memory and other devices in the computer; usually one-fourth to one-half the internal clock speed.
External Clock Speed
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A request to the processor so that a currently operating process, such as a read from a disk drive, can be interrupted by another process, such as a write into memory.
Interrupt Request (IRQ)
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A security system developed by the Massachusetts Institute Technology to enable two parties on an open network to communicate without interception by an intruder, creating a unique encryptionkey per each communication session.
Kerberos
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Software utilities that operate with compatiable hardware to facilitate automatic hardware configuration.
Plug and Play (PnP)
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A computer CPU design that dedicates processor hardware components to certain functions.
Reduced Instruction Set Computer (RISC)
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A Windows database that stores information about a computer's hardware and software configuration.
Registry
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A computer on a network that performs a function such as a file server that serves files to clients, or a print server that prints information for clients, or a database server that passes data from the server to the client.
Server
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A relatively recent serial bus designed to support up to 127 discrete devices with data transfer speeds up to 12 Mbps (megabits per second).
Universal Serial Bus (UBS)
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A windowed user interface for UNIX and other operating systems.
X-Window
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