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From Open Educational Resources
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, 07:49, 7 December 2016
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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==== |
| | + | Throughout history, people have been counting and making devices to help counting and to perform calculations. |
| | + | [[File:Abacus 6.jpg|left|thumb|80x80px]] |
| | + | Can you guess what was the first computer like? |
| | + | |
| | + | This was the Abacus, first used for representing numbers and performing calculations. |
| | + | |
| | + | This is an example of an analog device where you move things around to perform calculations. |
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| | {| class="wikitable" | | {| class="wikitable" |
| | |- | | |- |