Operating System Basics Questions and Answers

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Q201
In the pure User Level  Threads (ULT) (i) Thread management is done by application. (ii)  Thread mnagement is done by kernet, (iii) Kernel is not aware of the existence of thread (iv) Application program interface (API) to the kernel thread facility
  • A i, ii are true
  • B i, ii and iii are true
  • C All are false
  • D None of these are true
Answer: Option A
Q202
The Window 2000 (W2K) and Lunux are the example of
  • A User Level Thread (ULT)
  • B Kernel Level Thread (KLT)
  • C A and B both
  • D None of these
Answer: Option B
Q203
The following is not an advantage of User Level Threads (ULT).
  • A Thread switching does not requires kernel mode privileges because all of the thread management are withing the user address space of a single process.
  • B Here scheduling can be application specific
  • C ULT can be run an any opeating system.
  • D When ULT executes a system call, not only that thread blocked, but all of the threads within the process are bloked
Answer: Option D
Q204
The Linux opeating system supports
  • A Single thread per process and single process.
  • B Multiple thread per process and single process
  • C single thread per process and multiple processes
  • D Multiple thread process and multiple processes
Answer: Option D
Q205
The Vector and array processors fall into
  • A Single Instruction Single Data (SIS(D) stream
  • B Single Instructionl Multiple Data (SIM (D) stream
  • C Multiple Instruction Single Data (MIS (D) stream
  • D Multiple Instruction Multiple Data (MIM (D) system
Answer: Option B
Q206
In cluster
  • A Computers communicate with each other's via fixed paths or via some network facilities
  • B Computer communicates with each other's via a shared memory
  • C Both (A) and (B)
  • D None of these
Answer: Option A
Q207
The cluster is a case of
  • A Distributed memory
  • B Shared memory
  • C Master/slave arhitecture
  • D Symmetric multi processor
Answer: Option A
Q208
The master/slave architecture is an example of
  • A Distrubuted memory processing
  • B Shared memory processing
  • C Symmetric multi processing
  • D None of these
Answer: Option B
Q209
I/O modules in computer
  • A Controls the operation of the computer.
  • B Stores dat and Program.
  • C Move data between the computer and external environment
  • D Provides communication among processor and main memory
Answer: Option C
Q210
Instruction register contains
  • A The address of an instruction to be fetched
  • B The instructions most recently fetched.
  • C The data to be written into memory
  • D The data to be read from memory
Answer: Option B

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