Automated Systems

Computer Aided DesignThe design of components, cars, buildings etc using computers:more accuratequicker to create designcan be changed easilyGraphics tablets can be used to create the drawing

Control software is used to give instructions to automated machiners (eg. robots).It is known as ROM software and is burnt onto ROM chips so that it cannot be altered.Altering the software might cause the machinery to malfunction causing loss of thousands of pounds or even causing an accident.

A computer system that is dedicated to one task. Usually a microprocessor embedded into the object.Examples are mobile phones, ipods, microwaves etc.

These sensors measure ANALOGUE signals. Signals which vary constantly.The signals they collect are sent back to the computer controlling the deviceThe controller decides on a course of action

Analogue to Digital ConverterUsed to convert analolgue signals from the sensor to digital signals for the computer to process

Digital to Analogue converterUsed to convert signals from the processor to the analogue device. Examples of these devices are motors and switches.

The systems analyst does the systems analysis of a factory/workplace.He/she reviews the tasks compelted in the present systemDecides whether introducing computers or a new system would make it more efficientDesigns the new systemImplements the new system.

The number of ways in which a joint can move.