4.1 Switches

I have just indicated that a processor is made up of millions of electronic components manufactured as one very complex circuit. The majority of these components act as switches that can exist in one of only two states, either on or off. The states of certain switches tell the processor what instructions to carry out. Also when a processor is running a program it is altering the state of other switches, switching them on and off many, many times a second.

To represent more easily what i
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Copyright © 2013 The Open University

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