11. It is also called the brain of the computer, is responsible for processing data.

1. 1. Motherboard

   
   
   

   2. Memory

   
   
   

   3. RAM

   
   
   

   4. Central Processing Unit (CPU)

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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12. Which circuit board is used in all electronic systems such as computer, calculators, digital system ?

1. 1. Architecture

   
   
   

   2. Printer

   
   
   

   3. Value

   
   
   

   4. Register

   
   
   

   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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13. CPU stands for

1. 1. Computer Processing Unit

   
   
   

   2. Central Processing Unit

   
   
   

   3. Computer Protection Unit

   
   
   

   4. Central Processing Upload

   
   
   

   5. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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14. The communication line between CPU, memory and peripherals is called a

1. 1. bus

   
   
   

   2. line

   
   
   

   3. media

   
   
   

   4. All of these

   
   
   

   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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15. The CPU comprises of control, memory and .....units.

1. 1. microprocessor

   
   
   

   2. arithmetic/logic

   
   
   

   3. output

   
   
   

   4. ROM

   
   
   

   5. input

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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