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Operating System Quiz Questions

Choose the correct answers.
 
9. MS DOS supports file name upto ______ characters in length.
 
  • A. 8
  • B. 7
  • C. 5
  • D. 2
Answer: A.
8
 
10. _______ name may be one to eight characters in length.
 
  • A. Primary
  • B. Secondary
  • C. Extension
  • D. All of these
Answer: A.
Primary
 
 
11. Which command is used to delete the directory that is empty?
 
  • A. Del *.*
  • B. MD
  • C. RD
  • D. Erase
Answer: C.
RD
 
12. While working with MS-DOS which key is used to get the previous command used
 
  • A. F1
  • B. F6
  • C. F3
  • D. F9
Answer: C.
F3