Glossary L-O

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LAPTOP/ NOTEBOOK
Usually called a notebook computer by manufacturers, is a battery- or AC-powered personal computer generally smaller than a briefcase that can easily be transported and conveniently used in temporary spaces such as on airplanes, in libraries, temporary offices, and at meetings. A laptop typically weighs less than 5 pounds and is 3 inches or less in thickness.

MAINFRAME
Is an industry term for a large computer, typically manufactured by a large company such as IBM for large-scale computing purposes. Historically, a mainframe is associated with centralized rather than distributed computing.

MICROCOMPUTER
Is a complete computer on a smaller scale and is generally a synonym for the more common term, personal computer or PC, a computer designed for an individual.

MINICOMPUTER
A term no longer much used, is a computer of a size intermediate between a microcomputer and a mainframe.
The minicomputer has evolved into the "mid-range server" and is part of a network.

MICROPROCESSOR
Is a computer processor on a micro-chip. It's sometimes called a logic chip. It is the engine that goes into motion when you turn your computer on. A microprocessor is designed to perform arithmetic and logic operations.

MITS ALTAIR

The Altair was the world's first personal computer to attract a substantial number and ignited the pc market.The (MITS) Micro Instrumentation and Telemetry Systems launched the first Altairs without an operating system with an Intel 8080 processor (the first 8-bit chip) on the CPU card, 256 bytes of memory

NEC CORPORATION
Is a multi-national company headquartered in Japan.
NEC provides information technology and network solutions to business enterprises, communications services providers and government