Operating System Basics Questions and Answers

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Q141
The problem of thrashing is effected scientifically by ________.
  • A Program structure
  • B Program size
  • C Primary storage size
  • D None of the above
Answer: Option A
Q142
Paging _________.
  • A 1 solves the memory fragmentation problem
  • B allows modular programming
  • C allows structured programming
  • D avoids deadlock
Answer: Option A
Q143
Real time systems are ________.
  • A Primarily used on mainframe computers
  • B Used for monitoring events as they occur
  • C Used for program development
  • D Used for real time interactive users
Answer: Option B
Q144
A thread is a __________ process .
  • A Heavy Weight
  • B Mutliprocess
  • C Inter Thread
  • D Light wieght
Answer: Option D
Q145
_________ allocates the largest hole (free fragmant) available in the memory.
  • A Best Fit
  • B Worst Fit
  • C First Fit
  • D None of the above
Answer: Option B
Q146
Number of CPU registers in a system depends on ____________.
  • A Operating system
  • B Computer Architecture
  • C Computer Organization
  • D None of the above
Answer: Option B
Q147
A major problem with priority scheduling is _________.
  • A Definite blocking
  • B Starvation
  • C Low priority
  • D None of the above
Answer: Option B
Q148
Which directory implementation is used in most Operating System?
  • A Single level directory structure
  • B Two level directory structure
  • C Tree directory structure
  • D Acyclic directory structure
Answer: Option C
Q149
The term " Operating System " means ________.
  • A A set of programs which controls computer working
  • B The way a computer operator works
  • C Conversion of high-level language in to machine level language
  • D The way a floppy disk drive operates
Answer: Option A
Q150
The operating system of a computer serves as a software interface between the user and the ________.
  • A Hardware
  • B Peripheral
  • C Memory
  • D Screen
Answer: Option A

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