Filter
Top Products
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