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Network server mode
An optional password mode that provides extra security for a
computer that is operating as a network server.
Non-inter/aced mode
A technique used by the built-in VGA display adapter that
refreshes all the lines on the monitor screen sequentially from
top to bottom.
Numeric keypad
The number keys grouped on the right side of the keyboard.
Operating speed
The speed at which the central processing unit executes
commands. Depending on the model you have, your computer
can run at 25 MHz or 50 MHz and can simulate an 8 MHz
operating speed.
Operating
system
A collection of programs (such as MS-DOS, MS OS/2, or UNIX)
that manages a computer’s operations. The operating system
determines how programs run on the computer and supervises
all input and output.
Option card
A circuit board you install inside the computer to provide
additional capabilities, such as a modem.
OS/2
Operating System/2. The enhanced operating system by
Microsoft that provides dual mode processing and multitasking
capabilities. See also
Operating system.
Glossary 13