Friday, 17 February 2017

Computer Fundamentals

Computers Everywhere
Computers are showing up everywhere you look, and even in places you can't see. Computers check out your groceries, pump your gas, dispense money at the ATM, and turn the heat on and off, control the way your car runs. They are everywhere!
In fact, computer is rapidly becoming, if it hasn't already gotten there, as tightly woven into the fabric of our lives as the automobile. The analogy runs quite deep.
Computer FundamentalsWhen automobiles were new, many people said "Those smelly, loud, complicated things will never replace the horse!" and "Those things break down in just a few miles, while my faithful horse goes on and on and repairs itself!" Nowadays it's hard to imagine the world without all the variety of four-wheeled, internal combustion vehicles. How many can you name? Sedans, pickup trucks, fire engines, front-end loaders, 4-wheelers, golf carts, bulldozers, cranes, vans, dump trucks and so on. We have an "automobile" for every purpose under heaven - and in different models and colours, too. So it is with computers. There are different kinds of computers for different purposes with variety in size, expense, and ability.

We can have a brief overview of how the computers we use today were developed and evolved to the current stage.

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