Operating System Basics Questions and Answers

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Q11
The process related to process control, file management, device management, information about system and communication that is requested by any higher level language can be performed by __________.
  • A Editors
  • B Compilers
  • C System Call
  • D Caching
Answer: Option C
Q12
If the Disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98,37,14,124,65,67.
  • A 310
  • B 324
  • C 315
  • D 321
Answer: Option C
Q13
Multiprogramming systems ________.
  • A Are easier to develop than single programming systems
  • B Execute each job faster
  • C Execute more jobs in the same time
  • D Are used only on large main frame computers
Answer: Option C
Q14
Which is not the state of the process ?
  • A Blocked
  • B Running
  • C Ready
  • D Privileged
Answer: Option D
Q15
The solution to Critical Section Problem is : Mutual Exclusion, Progress and Bounded Waiting.
  • A The statement is false
  • B The statement is true
  • C The statement is contradictory.
  • D None of the above
Answer: Option B
Q16
The problem of thrashing is effected scientifically by ________.
  • A Program structure
  • B Program size
  • C Primary storage size
  • D None of the above
Answer: Option A
Q17
The state of a process after it encounters an I/O instruction is __________.
  • A Ready
  • B Blocked/Waiting
  • C Idle
  • D Running
Answer: Option B
Q18
The number of processes completed per unit time is known as __________.
  • A Output
  • B Throughput
  • C Efficiency
  • D Capacity
Answer: Option B
Q19
_________ is the situation in which a process is waiting on another process,which is also waiting on another process ... which is waiting on the first process. None of the processes involved in this circular wait are making progress.
  • A Deadlock
  • B Starvation
  • C Dormant
  • D None of the above
Answer: Option A
Q20
Which of the following file name extension suggests that the file is Backup copy of another file ?
  • A TXT
  • B COM
  • C BAS
  • D BAK
Answer: Option D

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