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History on Computers

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Gemma Cahill

on 14 August 2009

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Transcript of History on Computers

History on Computers The earliest computer is the
Abacus which was invented
in 500BC,it was used for
calculations. 1st generation computers:
The first generation computers were very large and used up a lot of electricity and heated up a lot which caused them to break down. They used old vacume tubes to store information, and used magnetic drums to store memory.

2nd generation computers:
The 2nd generation computers were smaller and more efficient and used a transistor instead of old vacume tubes, and had programmed languages.

3rd generation computer:
3rd generarion computers were alot smaller and had mini transistors and chips.

What is a computer?
A computer is a machine that manipulates data according to a set of instructions. Computers help us with:
Finding information
Calculations
Stoeage
Entertainment Technology thats linked to computers:
calculators
Ipods
cameras
DVD/video player
touch screens
TVs
phones Ideas on the future for computers:
smaller, better education, inplants, converging, robots/robot dogs, smart fridge, talking to the computer, in the car. Did you know????
The first use of the word "computer" was recorded in 1613, referring to a person who carried out calculations, or computations.
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