Operating System Basics Questions and Answers

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Q401
A situation where two or more processes coordinate their activities based on a condition is referred as
  • A Synchronization
  • B Dead lock
  • C Starvation
  • D Par begin
Answer: Option A
Q402
Par begin (P1)
  • A Suspends main program, execute procedure P1 and after execution resume main program.
  • B Procedure P1 is delayed infinitely due to other procedure are given preference.
  • C Procedure P1 is not considered for excution.
  • D None of these
Answer: Option A
Q403
The mail box and ports are examples of
  • A Indirect process communication
  • B Direct process communication.
  • C Both A and B true
  • D None is true
Answer: Option A
Q404
In Dynamic partition of main memory in memory management, the sized of process and memory partition is
  • A of exactly same size
  • B of different size
  • C Both A and B true
  • D None is true
Answer: Option A
Q405
In the simple paging in memory management where
  • A Process can be loaded into a partition of equal or greater size.
  • B process is loaded into a partition exactly same size
  • C Process is divided into a number of equal size pages of same length as of frames.
  • D None of these.
Answer: Option C
Q406
A. Absolute Loading B. Relcatable Loading C. Dynamic Run-Time Loading; 1-It requires that a load module always be loaded into some location in main memory. 2-A load module can be located anywhere in main memory.
  • A A - 2, B - 1, C - 1
  • B A - 1, B - 1, C - 2
  • C A - 1, B - 2, C - 2
  • D A -1, B - 2, C - 1
Answer: Option C
Q407
The disk and tape devices are referred as
  • A Block oriented I/O devices
  • B Stream oriented I/O devices
  • C Logical I/O devices
  • D None of these
Answer: Option A
Q408
Which of the following is not human readable I/O device ?
  • A Video display terminals
  • B Key board
  • C Printers
  • D Disk drives
Answer: Option D
Q409
Following is not the stream oriented I/O device
  • A Printer
  • B Mouse
  • C Communication modules
  • D Disk/tape
Answer: Option D
Q410
The direct memory access (DM(A) Module
  • A Controls is the data exchange between main memory and I/O module.
  • B The processor issues I/O command. execute subsequent instructios and interrupt I/O module
  • C The processor issues I/O commands to an I/O commands to an I/O mdule.
  • D None of these
Answer: Option A
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