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When did IBM released the first version of its disk operating system DOS version 1.0 ?

  • 1981
  • 1982
  • 1983
  • 1984
Similar Questions :

1. What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition ?

  • One
  • Two
  • Three
  • Four

2. What is the name of values that are automatically provided by software to reduce keystrokes ?

  • Data Values
  • Default Values
  • Defined Values
  • Fixed Values

3. Seek analysis is for ?

  • Paging issues
  • device busy problems
  • control unit busy problems
  • all of above

4. Supervisor state is only allowed to ?

  • Utility Softwares
  • Application Softwares
  • Operating System
  • Guest User

5. Which of the following memory allocation scheme is subject to external fragmentation ?

  • Segmentation
  • Swapping
  • Demand Paging
  • Multiple Contiguous Fixed Partitions
Read more from - Operating System Questions Answers - Set 2
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