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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. Remote computing services involves the use of ?

  • multiprocessing
  • multiprogramming
  • batch processing
  • real time processing

Answer: Option C

2. In which of the following usually a front end processor is used ?

  • Virtual storage
  • Timesharing
  • Multiprogamming
  • Multithreading

Answer: Option B

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

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

Answer: Option B

4. Relocation bits used by relocating loader are specified by

  • Relocating loader
  • Assembler
  • Translator
  • Linker

Answer: Option D

5. Files can have ?

  • Read Access
  • Write Access
  • Copy Access
  • All of above

Answer: Option D

Read more from - Operating System Questions Answers - Set 2
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