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Toshiba Tecra Z50-C Series User Manual
Also see for Tecra Z50-C Series: User manualUser manual
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174 GlossaryC cache—A section of very fast memory in which frequently usedinformation is duplicated for quick access. Accessing datafrom cache is faster than accessing it from the computer’smain memory. See alsoCPU cache, L1 cache, L2 cache.CD—An individual compact disc. See alsoCD-ROM.CD-ROM (Compact Disc Read-Only Memory)—A formof high-capacity storage that uses laser optics instead ofmagnetic means for reading data. See alsoCD. CompareDVD-ROM.Central Processing Unit (CPU)—The chip that functions asthe “brain” of the computer. It takes information from outsidesources, such as memory or keyboard input, processes theinformation, and sends the results to another device thatuses the information.character—Any letter, number, or symbol you can use on thecomputer. Some characters are non-printing characters,such as a paragraph break in a word-processing program. Acharacter occupies one byte of computer storage.chip—A small piece of silicon containing computer logic andcircuits for processing, memory, input/output, and/or controlfunctions. Chips are mounted on printed circuit boards.click—To press and release the pointing device’s primary buttonwithout moving the pointing device. In the Windowsoperating system, this refers to the pointing device’s leftbutton, unless otherwise stated. See alsodouble-click.compatibility—The extent to which computers, programs, ordevices can work together harmoniously, using the samecommands, formats, or language as another.configuration—(1) The collection of components that make upa single computer system. (2) How parts of the system areset up (that is, configured).controller—A device that controls the transfer of data from acomputer to a peripheral device and vice versa. Forexample, disk drives, monitors, keyboards, and printers allrequire controllers.CPU—SeeCentral Processing Unit (CPU). |
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