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Computer Science :: Operating System

  1. If special forms are needed for printing the output, the programmer specifies these forms through?

  2. A.

     JCL

    B.

     JPL

    C.

     Utility programs

    D.

     Load modules

    E.

     None of the above


  3. Which policy replace a page if it is not in the favoured subset of a process's pages?

  4. A.

     FIFO

    B.

     LRU

    C.

     LFU

    D.

     Working set

    E.

     None of the above


  5. Which of the following can be accesses by transfer vector approach of linking?

  6. A.

     External data segments

    B.

     External subroutines

    C.

     Data located in other procedures

    D.

     All of the above

    E.

     None of the above


  7. Which of the following terms refers to the degree to which data in a database system are accurate and correct?

  8. A.

     data security

    B.

     data validity

    C.

     data independence

    D.

     data integrity

    E.

     None of the above


  9. In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

  10. A.

     recognition of basic syntactic constructs through reductions

    B.

     recognition of basic elements and creation of uniform symbols

    C.

     creation of more optional matrix

    D.

     use of macro processor to produce more optimal assembly code

    E.

     None of the above


  11. A hardware device that is capable of executing a sequence of instructions, is known as

  12. A.

     CPU

    B.

     ALU

    C.

     CU

    D.

     Processor

    E.

     None of the above


  13. Which of following is/are the advantage(s) of modular programming?

  14. A.

     The program is much easier to change

    B.

     Modules can be reused in other programs

    C.

     Easy debugging

    D.

     Easy to compile

    E.

     None of the above


  15. The function(s) performed by the paging software is (are)

  16. A.

     Implementation of the access environment for all programs in the system

    B.

     Management of the physical address space

    C.

     Sharing and protection

    D.

     All of the above

    E.

     None of the above


  17. A compiler for a high-level language that runs on one machine and produces code for a different machine is called

  18. A.

     optimizing compiler

    B.

     one pass compiler

    C.

     cross compiler

    D.

     multipass compiler

    E.

     None of the above


  19. A critical region is

  20. A.

     a program segment that has not been proved bug-free

    B.

     a program segment that often causes unexpected system crashes

    C.

     a program segment where shared resources are accessed

    D.

     one which is enclosed by a pair of P and V operations on semaphores

    E.

     none is the above