Modem

MOdulator/DEModulator. A serial device that allows the computer to send and receive data over the telephone lines. Your computer supports PCMCIA Type II modem cards.

MS-DOS

A common operating system for IBM-compatible computers developed by Microsoft. See also Operating system.

NiCad

Nickel-Cadmium. The type of battery used by your notebook computer.

Numeric coprocessor

See Coprocessor.

Numeric keypad

The embedded numerickeypad in the keyboard, which you can
activate by pressing the key.

Operating speed

See CPU speed.

Operating system

A collection of programs (for example, MS-DOS) that control the operation of a computer. The operating system determines how programs run on the computer and supervises all input and output. See also MS-DOS.

Parallel

A way of organizing communications between two pieces of computer equipment, in which the signals that make up each character are sent simultaneously. See also Serial.

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