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Generation's of computer.


  • There are only five generations of computer. 
  1. First generation of computer. 
  2. Second generation of computer. 
  3. Third generation of computer. 
  4. Fourt generation of computer. 
  5. Fifth generation of computer. 

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First generation of computer.

Time period of first generation was ( 1945 - 1956 ) .  The first computer system use vaccum tubes for circuitry and magnetic drums for memory.  The UNIVAC and ENIAC computer are the example of first generation computer. It consumes high power of electricity.  Cost maintenance was so much heigh.  The speed of first generation computer was very low.  Size was very big almost it cover whole room.  The accuracy of this generation of computer was not good  
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Third generation of computer.

Here we will discuss about third generation of computer.  Time period of third generation of computer was ( 1964 - 1971 ) .  The computer of third generation, used integrated circuit insted of vaccum tubes. ( ICs ) in the place of transistos.  A single IC has many transistor, resistors and capacitors along with associated circuitry.  It was more reliable in comparison to previous two generations.  The size was small comparison to first and second generations.  Required lesser maintenance.  Consume lesser electricity and generate less heat, that's why AC was not required.  It supports to heigh level language, and costly in price and fast. 
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