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CSE :: Operating System Concepts

  1. In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

  2. 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

  3. An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as

  4. A.
    procedure name
    B.
    macro
    C.
    label
    D.
    literal
    E.
    None of the above

  5. A program

  6. 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

  7. A self-relocating program is one which

  8. A.
    cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
    B.
    consists of a program and relevant information for its relocation.
    C.
    can itself performs the relocation of its address-sensitive portions.
    D.
    All of the above
    E.
    None of the above

  9. Banker's algorithm for resource allocation deals with

  10. A.
    deadlock prevention
    B.
    deadlock avoidance
    C.
    deadlock recovery
    D.
    mutual exclusion
    E.
    None of the above

  11. A sequence of instructions, in a computer language, to get the desired result, is known as

  12. A.
    Algorithm
    B.
    Decision Table
    C.
    Program
    D.
    All of the above
    E.
    None of the above

  13. Which, of the following, is true for testing and debugging?

  14. A.
    Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program
    B.
    Testing detects the syntax errors in the program while debugging corrects those errors in the program
    C.
    Testing and debugging indicate the same thing
    D.
    All of the above
    E.
    None of the above

  15. Information in a memory that is no longer valid or wanted is known as

  16. A.
    non-volatile
    B.
    volatile
    C.
    surplus
    D.
    garbage
    E.
    None of the above

  17. Which of the following filename extension suggests that the file is a backup copy of another file?

  18. A.
    TXT
    B.
    COM
    C.
    BAS
    D.
    BAK
    E.
    None of the above

  19. Relocation bits used by relocating loader are specified (generated) by

  20. A.
    Relocating loader itself
    B.
    Linker
    C.
    Assembler or translator
    D.
    Macro processor
    E.
    None of the above