Operating System Basics Questions and Answers

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Q501
Followin is/are operating system used in computers
  • A MS-DOS
  • B OS/2
  • C UNIX
  • D All of the above
Answer: Option D
Q502
The following operating system writes through catches ?
  • A UNIX
  • B DOS
  • C ULTRIX
  • D XENIX
Answer: Option B
Q503
Whih is/are the most important features of microsoft windows program ?
  • A Windows
  • B Pull-down menus
  • C Icons
  • D All of the above
Answer: Option D
Q504
Multiprocessing models have
  • A symmetric multiprocessing model
  • B asymmetric multiprocessing model
  • C both (A) and (B) above
  • D None of these
Answer: Option C
Q505
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
Q506
Multiprogramming systems
  • A are easier to develop than single programming systems
  • B Execute each job faster
  • C execute more jobs in the same time period
  • D are used only one large mainframe computers
Answer: Option C
Q507
Virtual memory is
  • A simple to implement
  • B used on all major commercial operating systems
  • C less efficient in utilization of memory
  • D useful when fast I/O devices are not available
Answer: Option C
Q508
Memory management is
  • A not used in modern operating systems
  • B replaced with virtual memory on current systems
  • C not used on multiprogramming systems
  • D critical for even thesimplest operating systems
Answer: Option B
Q509
Scheduling is
  • A allowing job to use the processor
  • B making proper use of processor
  • C Both A and B
  • D None of these
Answer: Option C
Q510
Followingg is true for multiprocessing
  • A it makes the operating system simpler
  • B it allows multiple processes to run simultaneously
  • C it allows the same computer to have multiple processors
  • D Noneof these
Answer: Option C

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