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BIOS
Basic Input/ Output System. Routines in ROM (Read Only
Memory) that handle the transfer of information among
various hardware components, and between the hardware and
your operating system.
Boot
The process a computer performs to check its components and
then load the operating system into memory.
B U S
A wire or group of wires that sends information between
components in the computer. The speed of a bus increases by
the number and width of the channels the bus uses to move
data.
Cache
A high-speed memory buffer that stores frequently used data
where your microprocessor can access it faster. Your computer
includes 8KB of internal cache and supports up to 256KB of
external cache.
CMOS
Complementary Metal-Oxide Semiconductor. A low-power
silicon chip used for RAM and switching applications that is
backed up by a battery.
Conventional memory
The memory in the computer below 1MB that is available to
MS-DOS and application programs-usually 640KB. Also
called base memory or main memory.
2
Glossary
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