Computer Awareness Questions Answers - Set 2

• 50. Which among following is considered as fastest memory ?

  1. External Hard Disk
  2. Cache
  3. RAM
  4. ROM

  Answer And Explanation

  Answer: Option B

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• 51. Which of following is not malicious ?

  1. Worm
  2. Trogan Horse
  3. Driver
  4. Virus

  Answer And Explanation

  Answer: Option C

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• 52. Which is the extension of a batch file ?

  1. .bat
  2. .exe
  3. .bth
  4. .batch

  Answer And Explanation

  Answer: Option A

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• 53. By which key you can capture screen of current desktop ?

  1. Scrlk
  2. PrtScr
  3. Break
  4. SysRq

  Answer And Explanation

  Answer: Option B

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• 54. Which among following is smallest ?

  1. Gigabyte
  2. TeraByte
  3. Megabyte
  4. Kilobyte

  Answer And Explanation

  Answer: Option D

  Explanation:

  Order of the options given above is,
  Kilobyte < Megabyte < Gigabyte < Terabyte

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• 55. Which of following alphabet can not be part of a hexadecimal digit ?

  1. A
  2. L
  3. F
  4. E

  Answer And Explanation

  Answer: Option B

  Explanation:

  In hexadecimal number system we can use alphabets from A to F, i.e. A,B,C,D,E,F

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• 56. Which of following is used to create table ?

  1. DML
  2. DDL
  3. DCL
  4. QCL

  Answer And Explanation

  Answer: Option B

  Explanation:

  DDL means Data Definition Language,
  
  DML means Data Manipulation Language,
  
  DCL means Data Control Language.

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