66. (765)₈ is equal to:

1. 1. (111110101)₂

   
   
   

   2. (1f5)₁₆

   
   
   

   3. Both (a) and (b)

   
   
   

   4. None of these
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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67. (1001101)₂ is equal to:
    

1. 1. (77)₁₀

   
   
   

   2. (4d)₁₆

   
   
   

   3. (115)₈

   
   
   

   4. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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68. In hexa-decimal number system we uses:

1. 1. Numbers 0–16

   
   
   

   2. Numbers 0–9 and digits A-F

   
   
   

   3. Digits A-P

   
   
   

   4. 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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69. Actual execution of the instructions takes place in:

1. 1. ALU

   
   
   

   2. CU

   
   
   

   3. CPU

   
   
   

   4. UPS

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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70. ……… is the first program run on a computer when the computer boots up.

1. 1. System software

   
   
   

   2. Operating system

   
   
   

   3. System operations

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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