Epson ActionPC 6000, Руководство пользователя

Страница: 131 / 144

Pentium
A sophisticated CPU which incorporates the latest in Pentium
technology, including a 64-bit data path, one 8KB internal cache
for read-only code, a second 8KB internal cache for read-write
data, and the ability to execute instructions in parallel.
Power-on diagnostics
Tests stored in ROM that the computer runs to check its
intern al circuitry, peripheral device configuration, and
operating status each time you turn it on or reset it.
RAM
Random Access Memory. The area of the computer’s memory
used to run programs and store data while you work. All data
in RAM is erased when you turn off or reset the computer.
Real-time clock
A battery-powered clock inside the computer that tracks the
time and date, even when the computer is turned off.
ROM
Read Only Memory. Memory that can only be read and cannot
be modified. ROM retains its contents even when you turn off
the computer by using power from a backup battery.
Serial
The type of communication that transmits data from a serial
interface to a serial device over a single wire. See also
Parallel.
Shadow RAM
The system’s ability to copy the contents of the system, video,
and external BIOS ROMs into RAM to speed up processing.
Glossary 3