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Computer Science :: Operating System

  1. The CPU, after receiving an interrupt from an I/O device

  2. A.

     halts for a predetermined time

    B.

     hands over control of address bus and data bus to the interrupting device

    C.

     branches off to the interrupt service routine immediately

    D.

     branches off to the interrupt service routine after completion of the current instruction

    E.

     None of the above

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  3. Seeks analysis

  4. A.

     is used for analyzing paging problems

    B.

     is used for analyzing device busy problems

    C.

     is used for analyzing control-unit busy problems

    D.

     is only shown on real-time displays

    E.

     None of the above

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  5. Which is a permanent database in the general model of the compiler?

  6. A.

     Literal Table

    B.

     Identifier Table

    C.

     Terminal Table

    D.

     Source code

    E.

     None of the above

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  7. What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

  8. A.

     Partitioning

    B.

     Multitasking

    C.

     Windowing

    D.

     Paging

    E.

     None of the above

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  9. Operating system

  10. A.

     links a program with the subroutines it references

    B.

     provides a layered, user-friendly interface

    C.

     enables the programmer to draw a flowchart

    D.

     all of the above

    E.

     None of the above

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  11. Software that measures, monitors, analyzes, and controls real-world events is called:

  12. A.

     system software

    B.

     real-time software

    C.

     scientific software

    D.

     business software

    E.

     None of the above

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  13. The details of all external symbols and relocation formation (relocation list or map) is provided to linker by

  14. A.

     Macro processor

    B.

     Translator

    C.

     Loader

    D.

     Editor

    E.

     None of the above

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  15. The macro processor must perform

  16. A.

     recognize macro definitions and macro calls

    B.

     save the macro definitions

    C.

     expand macros calls and substitute arguments

    D.

     all of the above

    E.

     None of the above

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  17. A development strategy whereby the executive control modules of a system are coded and tested first, is known as

  18. A.

     Bottom-up development

    B.

     Top-down development

    C.

     Left-Right development

    D.

     All of the above

    E.

     None of the above

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  19. Which of the following is helpful in evaluating applications software what will best suit your needs?

  20. A.

     recommendations by other users

    B.

     computer magazines

    C.

     objective software reviews

    D.

     all of the above

    E.

     None of the above

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