Basic Operating System MCQ

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