A computer is mainly divided into two components : hardware and software. Hardware components consists of mainly the visible parts of the computer i.e main processor , internal and external peripherals,bus wire etc. The hardware consist of monitor, central processing unit (cpu),mouse,keyboard etc.
A software component consist of programmable part which are non-visible entities of computers. These programs are used to implement the hardware.
Origin of Computers
The computer invention started around 2000 years ago. The first computer was named Abacus. The Great Grand Father of computers is "Charles babbage". He discovered a calculating machine in the year 1840. The first computer invented was huge and incredibly heavy. While comparing to this days computers, the old computers comprises upto a whole room. Many changes were undergone till the present day to make the computer as small as possible with high performance and reliability. In 1642 the first digital computer was invented by "Blaise Pascal".
1 comments:
The blog is interesting, having interesting info. Make correct the digit 2000, computer invention was started round about 200 years ago. Anyway the blog have interesting interface.
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