Comp wk 1 - introduction

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[object Object],[object Object],[object Object],[object Object],The Slide Rule Used for multiplication and division as well as some scientific functions. Invented around 1620 in England. Used by engineers in the 1950’s and 1960’s until the invention of the computer and calculator. Used by early pilots and astronauts!

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Punch cards used by governments, banks, schools and police to store and retrieve information or data. What are today’s “ punched cards ”?

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Early Computers ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Digital – Data is managed by electronic signals. Modern computers and equipment such as mobile phones and mp3 players all use digital technology. An electronic digital watch. Faster and more powerful than analogue technology. Analogue - Digital

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Scientists have recently invented a plastic processor which will allow for even more impressive technology, for example computers in food packaging or clothes! It is this technology will also help reduce the price of computers.

Task Today ,[object Object],[object Object],[object Object]

Comp wk 1 - introduction

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