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Semaphores function is to

  • synchronize critical resources to prevent deadlock
  • synchronize processes for better CPU utilization
  • used for memory management
  • none of above

Answer: Option A

Similar Questions :

1. A public key encryption system

  • Allows only the correct sender to decode the data
  • Allows only the correct receiver to decode the data
  • Allows anyone to decode the data
  • none of above

Answer: Option B

2. Which technique is used by operating systems to execute several programs concurrently by switching back and forth

  • Partitioning
  • Multitasking
  • Windowing
  • Paging

Answer: Option C

3. Multiprogramming systems

  • Are easier to develop than single programming systems
  • Execute each job faster
  • Execute more jobs in the same time
  • Are used only on large main frame computers

Answer: Option C

4. Memory protection is normally done by

  • the processor and the associated hardware
  • the operating system
  • the compiler
  • the user program

Answer: Option A

5. Scissoring enables

  • a part of data to be displayed
  • entire data to be displayed
  • full data display on fulll area of sceen
  • no data display

Answer: Option A

Read more from - Operating System Questions Answers - Chapter 1
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