Basic Knowledge of Computer
Basic fundamental of
computer
Hello friends aapka swagat hai ek or naye topic par. Aaj main aapke liye Lekar Aaya hun basic computer of knowledge.
Friends aaj computer ham sub ki ek avashyakta ban gaye hai, or
complitition mein kafi question bhi put-up hote hai computer services. So friends shuru karte
hai.
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| Computer |
ABACUS
1. It's very important method and stands for Abundant Beads
"Addition Calculator".
2. Its used to performed only addition and subtraction. (+,-).
3. It's was first calculation devices.
PASCALINE
1. INVENTED BY-[(Blaise Pascal)(french mathematics)]in 1942.
2. It can's fermormed only addition and subtraction,but it's use
smoth performed.
STEPPED RECKONER
1. Invented by G.W leibniz.
2. These machine that can performed add,sub,mul,div(+,-,*,/).
Difference Engine and Analytical Engine
1. It can automatic mechanical calculator design to tabulate table
of mathematics and statistics.
2. Invented by Charles Babbage in (1832-1834).
3. It is the first mechanical calculator.
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| charles babbage |
Charles Babbage is the
"Father's of Computing".
"Father's of Computing".
Generation
of the Computer
First generation(1942-54)
1. The duration of the first generation of the computer started
1942-54.
2. First generation of the computer started with using
Vacuum-tubes as a basic computer component for memory and circuitry for Central
Processing Unit (C.P.U).
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| CPU |
The “Brain” of the computer as a C.P.U
Main feature of the First generation
1. Using Vacuum Tubes.
2. Supported machine language.
3. Very Costly.
4. Generate lot-of-heat.
5. Slow I/O devices.
6. Huge size.
7. Need A.C.
8. Non portable.
9. Consumed lot of electricity.
SOME COMPUTER OF THIS GENERATION WERE
1.ENIAC - Electronic numerical integrator and computer.
2.UNIVAC- Universal automatic computer.
3.EDVAC - Electronic discrete variable automatic
computer.
4.IBM-701,IBM-650 (International business machine).
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