Digital Equipment 300 Series AXP Reference Manual page 299

storage device
A device, such as a diskette or tape, capable of recording
information.
storage expansion box
See expansion box.
strain relief strap
See universal strain relief strap.
stylus
A penlike device that draws on the surface of a tablet and
functions as a pointing device.
synchronous communication
A type of communication in which data is transmitted at equal
time intervals. This type of communication allows you to connect
your system to others in one of two ways:
• Through a modem to a Wide Area Network (WAN)
• Directly to another system through a null modem
system
A combination of hardware, software, and peripheral devices
that together perform specific processing operations.
system module
A circuit board that provides interface connectors to the memory
modules.
system configuration
The combined layout of hardware and software that makes up a
usable computer system.
system disk
The device on which operating system software resides.
system unit
The part of the system that contains the drives, memory, power
supply, and the computer itself.
Glossary–27