Basic Operating System MCQ

Basic Operating System MCQ
231. The OS/2 is the operating system that support
  • Single thread per process
  • Multiple thread per process
  • Single process
  • None of these
Show Answer
232. In shared memory multi processor
  • Computer communicate to each other by fixed
  • Computer communicates to each other via a shared memory
  • Each processing element is a self contained computer.
  • None of these
Show Answer
233. 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
  • None of these
Show Answer
234. 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.
  • All scheduling and process management is done on master processor.
Show Answer
235. In monolithic operating system
  • Virtually any procedure can call any other procedure.
  • Virtually specific procedure can call any other procedure.
  • Virtually specific procedure can call specific procedure.
  • None of these
Show Answer
236. 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
Show Answer
237. 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
Show Answer
238. 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.
Show Answer
239. 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
Show Answer
240. A Semaphore is initialized to
  • Negative integer value
  • Positive integer value
  • Non-negative integer value
  • Non-positive integer value.
Show Answer
Questions and Answers for Competitive Exams Various Entrance Test