Part A – The Hardware

1

Systems in action

Summary
The essential features of a microelectronic system are described. These are illustrated by descriptions of typical systems: a cordless telephone, programmable logic controllers in industry, a personal computer, measuring instruments and data loggers, the control room of a power station, and distributed processing in flight control of aeroplanes.

Microelectronic systems are digital systems, built from one or more integrated circuits. They contain a central processing unit (CPU) which is programmed to make the system perform its tasks. The CPU is either a microprocessor or a microcontroller or, in complex systems, there may be more than one. Microelectronic systems are widely used in ...

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