Operating System Basics Questions and Answers

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Q51
A thread is a __________ process .
  • A Heavy Weight
  • B Mutliprocess
  • C Inter Thread
  • D Light wieght
Answer: Option D
Q52
Data reside in file on disk under DOS environment, which of the following file name is invalid ?
  • A OSCONCEPTS.doc
  • B RAW
  • C COMPAQ.BOOK
  • D JUMPSTART.BOS
Answer: Option C
Q53
In Priority Scheduling a priority number (integer) is associated with each process. The CPU is allocated to the process with the highest priority (smallest integer = highest priority). The problem of, Starvation ? low priority processes may never execute, is resolved by __________.
  • A Terminating the process.
  • B Aging
  • C Mutual Exclusion
  • D Semaphore
Answer: Option B
Q54
CPU Scheduling is the basis of _________ operating system
  • A Batch
  • B Real time
  • C Multiprogramming
  • D Monoprogramming
Answer: Option C
Q55
A major problem with priority scheduling is _________.
  • A Definite blocking
  • B Starvation
  • C Low priority
  • D None of the above
Answer: Option B
Q56
________ scheduler selects the jobs from the pool of jobs and loads into the ready queue.
  • A Long term
  • B Short term
  • C Medium term
  • D None of the above
Answer: Option A
Q57
Which directory implementation is used in most Operating System?
  • A Single level directory structure
  • B Two level directory structure
  • C Tree directory structure
  • D Acyclic directory structure
Answer: Option C
Q58
Saving the state of the old process and loading the saved state of the new process is called ________.
  • A Context Switch
  • B State
  • C Multi programming
  • D None of the above
Answer: Option A
Q59
The term " Operating System " means ________.
  • A A set of programs which controls computer working
  • B The way a computer operator works
  • C Conversion of high-level language in to machine level language
  • D The way a floppy disk drive operates
Answer: Option A
Q60
Resource locking ________.
  • A Allows multiple tasks to simultaneously use resource
  • B Forces only one task to use any resource at any time
  • C Can easily cause a dead lock condition
  • D Is not used for disk drives
Answer: Option B

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