Operating System Basics Questions and Answers

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Q231
The OS/2 is the operating system that support
  • A Single thread per process
  • B Multiple thread per process
  • C Single process
  • D None of these
Answer: Option B
Q232
In shared memory multi processor
  • A Computer communicate to each other by fixed
  • 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
Q233
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
  • D None of these
Answer: Option B
Q234
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 All scheduling and process management is done on master processor.
Answer: Option C
Q235
In monolithic operating system
  • A Virtually any procedure 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
Q236
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
Q237
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
Q238
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
Q239
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
Q240
A Semaphore is initialized to
  • A Negative integer value
  • B Positive integer value
  • C Non-negative integer value
  • D Non-positive integer value.
Answer: Option C
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