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===Analog and digital technologies===
 
===Analog and digital technologies===
 
====Impact on computing and development of computers====
 
====Impact on computing and development of computers====
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Throughout history, people have been counting and making devices to help counting and to perform calculations. 
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[[File:Abacus 6.jpg|left|thumb|80x80px]]
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Can you guess what was the first computer like?
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This was the Abacus, first used for representing numbers and performing calculations.
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This is an example of an analog device where you move things around to perform calculations. 
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