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Computer Science :: Operating System

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

  2. A.

     Reallocation

    B.

     Allocation

    C.

     Linking

    D.

     Loading

    E.

     None of the above


  3. The command interpreter

  4. A.

     is usually the primary user interface

    B.

     requires fixed format commands

    C.

     is menu drive

    D.

     is quite different from the SCL interpreter

    E.

     None of the above


  5. A task in a blocked state

  6. A.

     is executable

    B.

     is running

    C.

     must still be placed in the run queues

    D.

     is waiting for same temporarily unavailable resources

    E.

     None of the above


  7. System maintenance:

  8. A.

     is usually not necessary

    B.

     is necessary on all systems, regardless of how good

    C.

     is not required if the system is well written

    D.

     always requires several programs

    E.

     None of the above


  9. Which of the following statements is not true about the FORTRAN language?

  10. A.

     FORTRAN is a high level language

    B.

     A FORTRAN program, written for the IBM-PC, is totally different from a FORTRAN program written for execution on the SUN machine

    C.

     FORTRAN is extensively used to write programs for performing scientific computations

    D.

     All of the above

    E.

     None of the above


  11. A linker

  12. A.

     creates a load module

    B.

     is not necessary with variable partitions

    C.

     must be run after the loader

    D.

     is not needed with a good compiler

    E.

     None of the above


  13. Uniform Symbols Table

  14. A.

     contains all constants in the program

    B.

     a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

    C.

     consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

    D.

     a permanent table which lists all key words and special symbols of the language in symbolic form

    E.

     None of the above


  15. In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?

  16. A.

     best fit

    B.

     first fit

    C.

     worst fit

    D.

     buddy

    E.

     None of the above


  17. In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?

  18. A.

     absolute mode

    B.

     indirect mode

    C.

     immediate mode

    D.

     index mode

    E.

     None of the above


  19. The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

  20. A.

     Upgradability

    B.

     Upward mobility

    C.

     Universality

    D.

     Upward compatibility

    E.

     None of the above