66. Computer..... is whatever is typed, submitted, or transmitted to a computer system.

1. 1. input

   
   
   

   2. output

   
   
   

   3. data

   
   
   

   4. circuitry

   
   
   

   5. none of these

   
   
   

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   NA

   Correct Option: A

   NA

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67. The main job of CPU is to

1. 1. carry out program instructions

   
   
   

   2. store data / information for future use

   
   
   

   3. process data and information

   
   
   

   4. both (a) and (c)

   
   
   

   5. none of the above

   
   
   

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   NA

   Correct Option: D

   NA

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68. A microprocessor is the brain of the computer and is also called a(n)

1. 1. microchip

   
   
   

   2. macrochip

   
   
   

   3. macroprocessor

   
   
   

   4. calculator

   
   
   

   5. software

   
   
   

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   NA

   Correct Option: A

   NA

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69. All of the logic and mathematical calculations done by the computer happen in / on the

1. 1. system board

   
   
   

   2. central control unit

   
   
   

   3. central processing unit

   
   
   

   4. mother board

   
   
   

   5. memory

   
   
   

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   NA

   Correct Option: C

   NA

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70. A typical modern computer uses

1. 1. LSI chips

   
   
   

   2. vacuum tubes

   
   
   

   3. valves

   
   
   

   4. Both '1' and '2'

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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