Pathname
The list of directories the
Peripheral device
An external device, such as a printer or mouse, connected to the computer.
Port
An input/output connection on a computer to which you can attach a peripheral device.
Power-on diagnostics
A set of testing routines the computer performs automatically every time you turn it on.
RAM
Random Access Memory. The portion of the computer’s memory that runs programs and temporarily stores data while you work. All data stored in RAM is temporarily maintained while the computer is in Suspend mode, but erased when you turn off the computer. See also ROM.
Read/write head
The physical device inside a disk drive that reads and records data on the magnetic surface of a disk.
Real-time clock
A
10G l o s s a r y