Computer Awareness Questions Answers - Set 2

• 57. What is maximum digit we can use in octal system ?

  1. 5
  2. 6
  3. 7
  4. 8

  Answer And Explanation

  Answer: Option C

  Explanation:

  Octal system uses 8 digits from 0 to 7.

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• 58. What is access time ?

  1. Time required to locate and retrieve stored data
  2. Time required to restore data
  3. Time required to copy and paste data
  4. None of above

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 59. In database table, what column represents ?

  1. Attributes
  2. Index
  3. Entity
  4. Relation

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 60. In which mode of transmission both communicating devides to transmit and receive data simultaneously ?

  1. Simplex
  2. Half Duplex
  3. Full Duplex
  4. None of above

  Answer And Explanation

  Answer: Option C

  Explanation:

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• 61. Directory structure in windows is ?

  1. Flat
  2. Hierarchical
  3. Both of above
  4. None of above

  Answer And Explanation

  Answer: Option C

  Explanation:

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• 62. Data integrity refers to ?

  1. Centralization of Data
  2. Security of Data
  3. Duplication of Data
  4. Accuracy of Data

  Answer And Explanation

  Answer: Option D

  Explanation:

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• 63. All memory units are expressed as powers of ?

  1. 2
  2. 5
  3. 10
  4. 20

  Answer And Explanation

  Answer: Option A

  Explanation:

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