Processor Speed - Epson ExpressStation User Manual

device
Peripheral
An external device (such as a printer or a modem) connected to
a computer that depends on the computer for its operation.
Port
A physical input/output socket on a computer to which you
can connect a peripheral device.
Power-on
diagnostics
Tests that the computer runs to check its internal circuitry and
configuration each time you turn it on.

Processor speed

See Operating speed.
RAM
Random Access Memory. The portion of the computer's
memory used to run programs and store data. RAM is erased
when you turn off or reset the computer.
Read/write head
The physical device inside a disk drive that reads data from
and records data on the magnetic surface of a disk.
clock
Real-time
A battery-powered clock inside the computer that keeps track
of the time and date, even when the computer is turned off.
Refresh
rate
The speed at which random access memory chips are recharged
to ensure retention of their data.
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