G keyboard connected to a computer technically the

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Unformatted text preview: E.g., keyboard connected to a computer Technically, the electrical signal does not Technically, contain information about where individual bits begin and end bits Using electric current to send bits Using Use a wire to create a circuit between the sender Use and receiver and Negative voltage on the wire could represent a 1 Negative and positive a 0 and Waveform diagram shows variable delay Communication standards Communication Standards ensure that hardware from Standards different vendors can inter-operate different – what voltages are used? – how long should a voltage be held? ...
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This note was uploaded on 08/14/2011 for the course ELECTRONIC G52CCN taught by Professor Professorgail during the Spring '09 term at Uni. Nottingham.

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