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CSE :: Operating System Concepts

  1. Swapping

  2. A.
    works best with many small partitions
    B.
    allows many programs to use memory simultaneously
    C.
    allows each program in turn to use the memory
    D.
    does not work with overlaying
    E.
    None of the above

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  3. A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a

  4. A.
    First come first served
    B.
    Shortest Seek Time First (SSTE)
    C.
    Scan
    D.
    FIFO
    E.
    None of the above

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  5. A translator is best described as

  6. A.
    an application software
    B.
    a system software
    C.
    a hardware component
    D.
    all of the above
    E.
    None of the above

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  7. Data encryption

  8. A.
    is mostly used by public networks
    B.
    is mostly used by financial networks
    C.
    cannot be used by private installations
    D.
    is not necessary, since data cannot be intercepted
    E.
    None of the above

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  9. What is the name given to the process of initializing a microcomputer with its operating system?

  10. A.
    Cold booting
    B.
    Booting
    C.
    Warm booting
    D.
    Boot recording
    E.
    None of the above

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  11. The function(s) of the Storage Assignment is (are)

  12. A.
    to assign storage to all variables referenced in the source program.
    B.
    to assign storage to all temporary locations that are necessary for intermediate results.
    C.
    to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.
    D.
    all of the above
    E.
    None of the above

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  13. A Processor

  14. A.
    is a device that performs a sequence of operations specified by instructions in memory.
    B.
    is the device where information is stored
    C.
    is a sequence of instructions
    D.
    is typically characterized by interactive processing and time of the CPU's time to allow quick response to each user.
    E.
    None of the above

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  15. With MS-DOS which command will divide the surface of the blank floppy disk into sectors and assign a unique address to each one?

  16. A.
    FORMAT command
    B.
    FAT command
    C.
    VER command
    D.
    CHKDSK command
    E.
    None of the above

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  17. Multiprogramming

  18. A.
    is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
    B.
    consists of those addresses that may be generated by a processor during execution of a computation.
    C.
    is a method of allocating processor time.
    D.
    allows multiple programs to reside in separate areas of core at the time.
    E.
    None of the above

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  19. A translator which reads an entire programme written in a high level language and converts it into machine language code is:

  20. A.
    assembler
    B.
    translator
    C.
    compiler
    D.
    system software
    E.
    None of the above

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