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== '''History of computers''' ==
 
== '''History of computers''' ==
[[Image:Introduction-Part3_html_m21bc9239.png|left]]<br>
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{|style="border-style: solid; border-width: 20px"
 
{|style="border-style: solid; border-width: 20px"
 
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[[Image:Introduction-Part3_html_m21bc9239.png|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
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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.
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[[Image:Introduction-Part3_html_797aeff2.png|left]]<br>
 
|}
 
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[[Image:Introduction-Part3_html_797aeff2.png|left]]<br>
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|}
 
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