Operating System Basics Questions and Answers

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Q221
For multithreading
  • A Tasks to be performed an be independent
  • B Task to be performed is essentially serialized.
  • C Tasks cannot be divided into number of threads
  • D None is true
Answer: Option A
Q222
The prinicipal function of a process is
  • A To execute machine instructions residing in main memory
  • B To execute assembly instructions residing outside main memory
  • C A and B both true
  • D A and B both false
Answer: Option A
Q223
The trace of the process is
  • A A set of instructions that execute process
  • B A listing of sequence of instructions that execute process
  • C A track of network
  • D None of these
Answer: Option B
Q224
The two state process models have the following states
  • A Running and not Running
  • B Running and Ready
  • C Ready and Blocked
  • D New and Ready
Answer: Option A
Q225
The process control blocks are referred for
  • A Process control
  • B I/O devices
  • C Memory allocation
  • D None of these
Answer: Option A
Q226
Given the switch processes, when they occur match them (1) Clock Interrupt      A- The processor encounters a virtual memory address reference for a word that is not in the main memory (2) I/O interrupt          B-the operating system determines whether the currently running process thas been executed for the maximum allowable time slice (3) Memory fault          (C)- The opeating system determines the I/O action that occurs
  • A 1-A,2-B,3-C
  • B 1-B, 2-C, 3-A
  • C 1--B, 2-A,3-C
  • D 1-C, 2-B, 3-A
Answer: Option B
Q227
With trap in process control
  • A Operating system determines the error or exception condition that is fatal.
  • B Operating system interrupted for maximum allowable time.
  • C Are tables that manage information process
  • D None of these
Answer: Option A
Q228
Process control block is also referred as
  • A Fast control block
  • B Process descriptor
  • C Task descriptor
  • D A, B, C are all true
Answer: Option D
Q229
The operating system control tables maintain process tables, because
  • A These tables manages I/O devices
  • B These tables manages files
  • C These tables manages memory
  • D None of these
Answer: Option D
Q230
Windows XP is
  • A Uni-Programming processes
  • B Multi Programming process
  • C Hardware
  • D None of these
Answer: Option B

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