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Epson EQUITY 386SX/16 PLUS User Manual

Page 248

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Processor speed

See Operating speed.

Program

A file that contains coded instructions and tells a computer

what to do and how to do it.

Prompt

A message the screen displays to request information or tell
you what action you need to perform next. See also

Command prompt.

RAM

Random Access Memory. The portion of the computer’s

memory used to run programs and store data while you

work. All data stored in RAM is erased when you turn off or

reset the computer; so you must store any data you want to
keep on disk.

Read

To copy data from one area to another. For example, when
you open a text file stored on disk, the computer reads the

data from the disk and displays it on the screen.

Read/write head

The physical device inside a disk drive that reads data from

and records data on the magnetic surface of a disk.

Real-time clock

A battery-powered clock inside the computer that keeps track

of the time and date, even when the computer is turned off.

14

Glossary