download Mastguru Android App

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. Spooling is most beneficial where

  • Jobs are I/O bound
  • Jobs are CPU bound
  • Jobs are evenly divided as I/O bound and CPU bound
  • All of above

Answer: Option C

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

  • One
  • Two
  • Three
  • Four

Answer: Option A

3. Which scheduling policy is most suitable for time shared operating system ?

  • Shortest job first
  • FCFS
  • LCFS
  • Round robin

Answer: Option D

4. 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

5. 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

Read more from - Operating System Questions Answers - Set 2
Post a comment

    Mastguru Youtube Channel

    Videos @mastguru

    Free useful videos - Subscribe Mastguru
     

    Get Free Current Affairs and Govt Jobs Alerts in your mailbox

    To Appreciate Our Effort, Please Like Us

    Quantitative Aptitude
    English Aptitude
    Reasoning Aptitude
    Computer Awareness
    General Knowledge
    Current Affairs
    IT Officer Aptitude
    Programming Aptitude
    Latest Govt Jobs