cable head-end
A cable television company’s local facility that originates and communicates cable modem and cable TV services to its subscribers. The cable company’s head-end includes the CMTS, which is essential in providing high-speed Internet access to cable subscribers.
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A modem designed to operate over cable TV lines. Because the coaxial cable used by cable TV provides much greater bandwidth than telephone lines, a cable modem can be used to achieve extremely fast access to the World Wide Web. This, combined with the fact that millions of homes are already wired for cable TV, […]
- Cache
Pronounced cash, a special high-speed storage mechanism. Cache can be either a reserved section of main memory or an independent high-speed storage device. Two types of caching are commonly used in personal computers: memory caching and disk caching. Memory Caching A memory cache, sometimes called a cache store or RAM cache, is a portion of […]
- Central Processing Unit (CPU)
CPU (pronounced as separate letters) is the abbreviation for central processing unit. Sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place. In terms of computing power, the CPU is the most important element of a computer system. Printed […]
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(cash cōhēr´&ns) (n.) A protocol for managing the caches of a multiprocessor system so that no data is lost or overwritten before the data is transferred from a cache to the target memory. When two or more computer processors work together on a single program, known as multiprocessing, each processor may have its own memory […]
- caddy
A plastic case that holds a CD-ROM. Some older CD-ROM players required a caddy, but nearly all modern players do not. Instead, modern CD-ROM players operate like compact disc players, with a tray on which you can directly lay the CD-ROM.