Navigate

Question Detail

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

  • 1981
  • 1982
  • 1983
  • 1984

Answer: Option A

Similar Questions :

1. Which type of software can be used to merge data of two files in one file ?

  • System software
  • Networking software
  • Documenting software
  • Utility Software

Answer: Option D

2. What are global locks ?

  • they synchronize access to local resources
  • they synchronize access to global resources
  • they synchronize access to local and global resources
  • none of above

Answer: Option B

3. Belady anomaly occurs in ?

  • LIFO
  • FIFO
  • LRU
  • NRU

Answer: Option B

4. Which of the following is always there in a computer ?

  • Batch system
  • Operating system
  • Time sharing system
  • Controlling system

Answer: Option B

5. Memory protection is of no use in single user system.

  • True
  • False

Answer: Option A

Read more from - Operating System Questions Answers - Set 2