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SOME UNKNOWN FACTS ABOUT COMPUTER

UNKNOWN FACTS  1.  WWW   ( Full Form = World Wide Web       Short Form = W3 Consortium ) WWW is invented by " TIM BERNER LEE "  Tim Burner Lee invented the internet in 1989 . By now there are more than 17 billion devices connected to the internet. 2.  It’s believed that the first computer virus released in the world was a boot sector virus, which was created in 1986 by the Farooq Alvi brothers . It was designed to protect their research work. AUTOCAD COURSE /9717717164 3. The first computer mouse was invented by Doug Engelbart in around 1964 and it was made out of wood . 4.   Only 8% of the world’s currency is physical money , the rest only exists on computers. 5.   30,000 websites are hacked every day. 6. The Dirty Dozen was the name of a 12 man engineer group who developed the first IBM computer . 7.  ENIAC was the first electronic computer, which weighed around ...

CHARACTERISTICS OF A COMPUTER & CENTRAL PROCESSING UNIT (C.P.U)

Hello, Readers This Blog will help you understand the Characteristics of Computer & About C.P.U (Central Processing Unit ). Characteristic means Computer capabilities i.e Characteristics of Computer  1.Speed 2.Accuracy 3.Consistency 4. Data Storing Capability 5.Flexibility  A. Speed : A Computer is a very fast device .It can perform , in a few Second ,the amount of work that a human being can do in an entire year working round the clock .The speed of the computer is usually 2 to 4 GHz . A powerful computer is capable of performing  about 10 to 40 million arithmetic calculations in a second. or We can say that Computer speed is measured in   megahertz (MHz) or gigahertz (GHz). One Megahertz equals to one million ticks per second,one Gigahertz equals one billion ticks per second . B. Accuracy : The accuracy of a Computer is consistently high an the degree o accuracy of a particular task is 100% accurate.In  a every computer each and e...