why did they call bug as an error in programming?

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Question by nen
Submitted on 11/7/2003
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why did they call bug as an error in programming?

Answer by Trev
Submitted on 11/23/2003
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In the early days of computers, before silicon chips etc, the processing was done by Valve Transistor based circuits - overnight various flies, spiders & the odd mouse would crawl into the circuitry and electrocute themselves shorting out the circuit in the process. Each morning the technicians would have to 'de-bug' the system, and hence the term was born. If you're not familiar with valves, they were typically the size of a small light bulb and consumed as much power, so you can imaging the size of even the simplest circuit!!!

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