Basic Operating System MCQ

Basic Operating System MCQ
331. Process control block is also referred as
  • Fast control block
  • Process descriptor
  • Task descriptor
  • A, B, C are all true.
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332. The operating system control tables maintain process tables, because
  • These tables manages I/O devices
  • These tables manages files
  • These tables manages memory
  • None of these
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333. Window XP is
  • Uni-prgramming processes
  • Muti programming processes
  • Single process
  • None of these
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334. In shared memory multi processor
  • Computer communicate to each other by fixed paths
  • Computer communicates to each other via a shared memory
  • Each processing element is a self contained computer
  • None of these
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335. The following is not true for master/slave architecture
  • A failure of master brings down the whole system
  • Operating system kernel runs on master processor only.
  • Operating system kernel can run on any processor either master or slave.
  • al scheduling andprocess management is done on master processor.
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336. In monoithic operating system
  • Virtually any proedure can call any other procedure.
  • Virtually specific procedure can call any other procedure.
  • Virtually specific procedure can call specific procedure
  • None of these
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337. In layered operating system following statement is false
  • Most or all the layers execute in kernel mode.
  • Interaction only takes place between adjacent layers
  • Functions are organized hierachically.
  • None of these
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338. 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
  • Master/slave architecture
  • Symmetric multiprocessor
  • Cluster
  • None of these.
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339. In Micro kernel architecture following is false.
  • Intersection takes place only between adjacent layers
  • Intersection takes place via micro kernel.
  • It supports portability
  • It supports object-oriented operating system.
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340. In the following processes: a =a+1; b=2 x b:b = b+1; a = 2 x a; the output is
  • a >b
  • a < b
  • a = b
  • None of these
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