Operating System Basics Questions and Answers

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Q331
Process control block is also referred as
  • A Fast control block
  • B Process descriptor
  • C Task descriptor
  • D A, B, C are all true.
Answer: Option D
Q332
The operating system control tables maintain process tables, because
  • A These tables manages I/O devices
  • B These tables manages files
  • C These tables manages memory
  • D None of these
Answer: Option D
Q333
Window XP is
  • A Uni-prgramming processes
  • B Muti programming processes
  • C Single process
  • D None of these
Answer: Option B
Q334
In shared memory multi processor
  • A Computer communicate to each other by fixed paths
  • B Computer communicates to each other via a shared memory
  • C Each processing element is a self contained computer
  • D None of these
Answer: Option B
Q335
The following is not true for master/slave architecture
  • A A failure of master brings down the whole system
  • B Operating system kernel runs on master processor only.
  • C Operating system kernel can run on any processor either master or slave.
  • D al scheduling andprocess management is done on master processor.
Answer: Option C
Q336
In monoithic operating system
  • A Virtually any proedure can call any other procedure.
  • B Virtually specific procedure can call any other procedure.
  • C Virtually specific procedure can call specific procedure
  • D None of these
Answer: Option A
Q337
In layered operating system following statement is false
  • A Most or all the layers execute in kernel mode.
  • B Interaction only takes place between adjacent layers
  • C Functions are organized hierachically.
  • D None of these
Answer: Option D
Q338
When operating system always run on a particular processor and that particular processor do all scheduling and process management then this is an example of
  • A Master/slave architecture
  • B Symmetric multiprocessor
  • C Cluster
  • D None of these.
Answer: Option A
Q339
In Micro kernel architecture following is false.
  • A Intersection takes place only between adjacent layers
  • B Intersection takes place via micro kernel.
  • C It supports portability
  • D It supports object-oriented operating system.
Answer: Option A
Q340
In the following processes: a =a+1; b=2 x b:b = b+1; a = 2 x a; the output is
  • A a >b
  • B a < b
  • C a = b
  • D None of these
Answer: Option D

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