Operating System Questions Answers - Set 2 Online Quiz Test

• 1. Distributed systems should ?

  1. high security
  2. have better resource sharing
  3. better system utilization
  4. low system overhead

• 2. Disk scheduling involves deciding ?

  1. which disk should be accessed next
  2. the order in which disk access request should be made
  3. physical location of files
  4. type of disks a system should have

• 3. If the CPU scheduling policy is FCFS, then what would be average waiting time ?

  1. 10 ms
  2. 10.8 ms
  3. 12 ms
  4. 12.8 ms

• 4. Memory protection is of no use in single user system.

  1. True
  2. False

• 5. By which of following the problem of thrashing is significantly affected ?

  1. program size
  2. program structure
  3. primary storage
  4. secondary storage

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

  1. System software
  2. Networking software
  3. Documenting software
  4. Utility Software

• 7. What is the name of values that are automatically provided by software to reduce keystrokes ?

  1. Data Values
  2. Default Values
  3. Defined Values
  4. Fixed Values

• 8. Which of following need a device driver

  1. Cache
  2. Disk
  3. Main Menory
  4. Registers

• 9. Supervisor state is only allowed to ?

  1. Utility Softwares
  2. Application Softwares
  3. Operating System
  4. Guest User

• 10. UNIX is a single user operating system.

  1. True
  2. False

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

  1. Batch system
  2. Operating system
  3. Time sharing system
  4. Controlling system

• 12. Which of following is not an advantage of multiprogramming ?

  1. increased throughput
  2. shorter response time
  3. ability to assign priorities of jobs
  4. decreased system overload

• 13. Seek analysis is for ?

  1. Paging issues
  2. device busy problems
  3. control unit busy problems
  4. all of above

• 14. Relocation bits used by relocating loader are specified by

  1. Relocating loader
  2. Assembler
  3. Translator
  4. Linker

• 15. Paging is a method of memory allocation.

  1. True
  2. False

• 16. Which of the following memory allocation scheme is subject to external fragmentation ?

  1. Segmentation
  2. Swapping
  3. Demand Paging
  4. Multiple Contiguous Fixed Partitions

• 17. Spooling is most beneficial where

  1. Jobs are I/O bound
  2. Jobs are CPU bound
  3. Jobs are evenly divided as I/O bound and CPU bound
  4. All of above

• 18. File record length

  1. Should be chosen to match the data characteristics
  2. should be fixed
  3. should be variable
  4. vary system to system

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

  1. Virtual storage
  2. Timesharing
  3. Multiprogamming
  4. Multithreading

• 20. Remote computing services involves the use of ?

  1. multiprocessing
  2. multiprogramming
  3. batch processing
  4. real time processing