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  • Question
  • Which of the following is a block device


  • Options
  • A. mouse
  • B. printer
  • C. terminals
  • D. disk
  • E. None of the above

  • Correct Answer
  • disk 


  • Operating Systems Concepts problems


    Search Results


    • 1. In an absolute loading scheme, which loader function is accomplished by loader

    • Options
    • A. Reallocation
    • B. Allocation
    • C. Linking
    • D. Loading
    • E. None of the above
    • Discuss
    • 2. Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and

    • Options
    • A. hold and wait
    • B. deadlock avoidance
    • C. race around condition
    • D. buffer overflow
    • E. None of the above
    • Discuss
    • 3. What is the name given to all the programs inside the computer with makes it usable?

    • Options
    • A. Application software
    • B. System software
    • C. Firm ware
    • D. Shareware
    • E. None of the above
    • Discuss
    • 4. The errors that can be pointed out by the compiler are

    • Options
    • A. Syntax errors
    • B. Semantic errors
    • C. Logical errors
    • D. Internal errors
    • E. None of the above
    • Discuss
    • 5. The main function of the dispatcher (the portion of the process scheduler) is

    • Options
    • A. swapping a process to the disk
    • B. assigning ready process to the CPU
    • C. suspending some of the processes when the CPU load is high
    • D. bring processes from the disk to the main memory
    • E. None of the above
    • Discuss
    • 6. Which, of the following checks, cannot be carried out on the input data to a system?

    • Options
    • A. consistency check
    • B. Syntax check
    • C. Range check
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. Semaphores

    • Options
    • A. synchronize critical resources to prevent deadlock
    • B. synchronize critical resources to prevent contention
    • C. are used to do I/O
    • D. are used for memory management
    • E. None of the above
    • Discuss
    • 8. The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:

    • Options
    • A. time sharing
    • B. time out
    • C. time domain
    • D. FIFO
    • E. None of the above
    • Discuss
    • 9. A public key encryption system

    • Options
    • A. allows anyone to decode the transmission
    • B. allows only the correct sender to decode the data
    • C. allows only the correct receiver to decode the data
    • D. does not encode the data before transmitting it
    • E. None of the above
    • Discuss
    • 10. Which of the following is characteristic of an operating system?

    • Options
    • A. resource management
    • B. error recovery
    • C. memory management
    • D. All the above
    • E. None of the above
    • Discuss


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