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CSE :: Operating System Concepts

Operating System Concepts - Section 1
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Operating System Concepts - Section 3
Operating System Concepts - Section 4
Operating System Concepts - Section 5

  1. Capacity planning

    2. A.
    requires detailed system performance information
    B.
    is independent of the operating system
    C.
    does not depend on the monitoring tools available
    D.
    is not needed in small installations
    E.
    None of the above

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  2. Poor response times are caused by

    3. A.
    Processor busy
    B.
    High I/O rate
    C.
    High paging rates
    D.
    Any of the above
    E.
    None of the above

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  3. Link encryption

    4. A.
    is more secure than end-to-end encryption
    B.
    is less secure than end-to-end encryption
    C.
    can not be used in a public network
    D.
    is used only to debug
    E.
    None of the above

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  4. A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as

    5. A.
    multiprogramming
    B.
    multi threading
    C.
    broadcasting
    D.
    time sharing
    E.
    None of the above

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  5. The table created by lexical analysis to describe all literals used in the source program, is

    6. A.
    Terminal table
    B.
    Literal table
    C.
    Identifier table
    D.
    Reductions
    E.
    None of the above

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  6. The term 'polling' in a computer means a process by which a computer system

    7. A.
    detects/corrects errors
    B.
    multiplexes the inputs and updates the memory accordingly
    C.
    decides correct alternative by analysing several ones
    D.
    inquires to see if a terminal has any transaction to send
    E.
    None of the above

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  7. In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.

    8. A.
    absolute mode
    B.
    immediate mode
    C.
    index mode
    D.
    modulus mode
    E.
    None of the above

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  8. Under virtual storage,

    9. A.
    a single program is processed by two or more CPUs
    B.
    two or more programs are stored concurrently in primary storage
    C.
    only the active pages of a program are stored in primary storage
    D.
    interprogram interference may occur
    E.
    None of the above

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  9. A base register table

    10. A.
    allows the programmer to write base registers and displacements explicitly in the source program.
    B.
    is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
    C.
    allows multiple programs to reside in separate areas of core at the same time.
    D.
    is a term that refers to the control programs of an operating system.
    E.
    None of the above

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  10. File record length

    11. A.
    should always be fixed
    B.
    Should always be variable
    C.
    depends upon the size of the file
    D.
    should be chosen to match the data characteristics
    E.
    None of the above

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