Operating System Questions Answers - Chapter 1

• 43. Daisy chain is a device for

  1. connecting a number of controllers to a device
  2. connecting a number of device to a controller
  3. all of above
  4. none of above

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 44. A series of statements explaining how the data is to be processed is called

  1. instruction
  2. compiler
  3. program
  4. interpretor

  Answer And Explanation

  Answer: Option C

  Explanation:

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• 45. Banker's algorithm deals with

  1. deadlock prevention
  2. deadlock avoidance
  3. deadlock recovery
  4. mutual exclusion

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 46. Scissoring enables

  1. a part of data to be displayed
  2. entire data to be displayed
  3. full data display on fulll area of sceen
  4. no data display

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 47. Which is non pre-emptive

  1. Round robin
  2. FIFO
  3. MQS
  4. MQSF

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 48. Root directory of a disk should be placed

  1. at the fixed address in the main memory
  2. at a fixed location on the disk
  3. at the fixed location on system disk
  4. anywhere on the disk

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 49. A hardware device which is capable of executing a sequence of instructions, is known as

  1. CPU
  2. ALU
  3. CU
  4. Processor

  Answer And Explanation

  Answer: Option D

  Explanation:

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