Changes
From Karnataka Open Educational Resources
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, 11:07, 3 June 2014
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− | [[Image:Introduction-Part3_html_m21bc9239.png|thumb|left]]<br> | + | [[Image:Introduction-Part3_html_m21bc9239.png|thumb|left]]<br>Did you know, the first computer was as big as your classroom! 60 years ago, |
− | Did you know, the first computer was as big as your classroom! 60 years ago, | |
| computers were very big, costly and used lot of electricity. The | | computers were very big, costly and used lot of electricity. The |
| processors of the first computers were made using something called | | processors of the first computers were made using something called |
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| vacuum tubes, came the transistors which could turn electricity in a | | vacuum tubes, came the transistors which could turn electricity in a |
| circuit 'on' or 'off'. This turning 'on' and 'off' could be used to | | circuit 'on' or 'off'. This turning 'on' and 'off' could be used to |
− | instruct computers to do calculations. | + | instruct computers to do calculations.[[Image:Introduction-Part3_html_797aeff2.png|thumb|right]]<br> |
− | [[Image:Introduction-Part3_html_797aeff2.png|thumb|right]]<br> | |
| |} | | |} |
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