66. How many options does a binary choice offer ?

1. 1. One

   
   
   

   2. Two

   
   
   

   3. Three

   
   
   

   4. It depends on the amount of memory in the computer

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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67. Which of the following is invalid hexadecimal number ?

1. 1. A0XB

   
   
   

   2. A0F6

   
   
   

   3. 4568

   
   
   

   4. ACDB

   
   
   

   5. 60AC

   
   
   

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1. View Hint View Answer Discuss in Forum

   BA

   Correct Option: D

   BA

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68. Which of the following is an octal number equal to decimal number (896)₁₀ ?

1. 1. 0061

   
   
   

   2. 6001

   
   
   

   3. 1006

   
   
   

   4. 1600

   
   
   

   5. 0601

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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69. Which of the following is a binary number equivalent to octal number (431)₈

1. 1. (100011001)₂

   
   
   

   2. (.100011001)₂

   
   
   

   3. (100110100)₂

   
   
   

   4. (.100110001)₂

   
   
   

   5. (1000.11001)₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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70. Which of the following is hexadecimal number equivalent to binary number (1111 1001)₂ ?

1. 1. 9F

   
   
   

   2. FF

   
   
   

   3. 99

   
   
   

   4. F9

   
   
   

   5. FC

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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