Operating System Basics Questions and Answers

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Q491
Banker's algorithm for resource allocation deals with
  • A deadlock prevention
  • B deadlok avoidance
  • C deadlock recovery
  • D mutual exculsion
Answer: Option B
Q492
The dispatcher
  • A actually schedules the tasks into the processor
  • B is always very small and simple
  • C puts tasks in wait
  • D Nnone of these
Answer: Option A
Q493
A set or resource allocations such that the system can allocate resources to each process in some order, and still avoids a deadlok is called
  • A Unsafe state
  • B safe state
  • C starvation
  • D Greedy allocation
Answer: Option B
Q494
processor-bound tasks
  • A use the processor more often
  • B use more processor time
  • C use less processor time
  • D always take longer to execute
Answer: Option B
Q495
The following resources can cause deadlocks
  • A Read only files
  • B Shared programs
  • C Printers
  • D All of the above
Answer: Option C
Q496
Complex scheduling algorithms
  • A use more resources than they gain
  • B Recover more resoruces than they use
  • C always use many resources
  • D are most appropriate for very large computers
Answer: Option D
Q497
The intensive jobs
  • A use less processor time than most jobs
  • B you are constrained by their I/O Requirements
  • C run more quickly than processor-intensive jobs
  • D Should all be executed at the same time
Answer: Option B
Q498
The FIFO algorithm
  • A executes first the job that last entered the queue
  • B executes first the job that first entered the queue
  • C executes first job with the least processor needs
  • D executes first the job that has been in the queue the longest
Answer: Option B
Q499
Check pointing a job
  • A allows it to be completed successfully
  • B allows it to continue executing later
  • C prepares it for finishing
  • D occurs only when there is an error in it
Answer: Option B
Q500
Windows is an
  • A operating system
  • B operating environment
  • C user interface
  • D programming platform
Answer: Option C

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