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CSE :: Operating System Concepts

  1. A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

  2. A.
    semaphore
    B.
    mutual exclusion
    C.
    multiprogramming
    D.
    multitasking
    E.
    None of the above

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  3. What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

  4. A.
    XENIX
    B.
    UNIX
    C.
    OS/2
    D.
    MS DOS
    E.
    None of the above

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  5. The most common security failure is

  6. A.
    carelessness by users
    B.
    depending on passwords
    C.
    too much emphasis on preventing physical access
    D.
    insufficient technology used to prevent breaches
    E.
    None of the above

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  7. Terminal Table

  8. 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

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  9. Block or buffer caches are used

  10. A.
    to improve disk performance
    B.
    to handle interrupts
    C.
    to increase the capacity of main memory
    D.
    to speed up main memory read operation
    E.
    None of the above

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  11. The practice of "bundling" refers to

  12. A.
    selling computers alone
    B.
    selling peripheral devices with computer
    C.
    selling software to run on computers
    D.
    giving away software with a computer purchase
    E.
    None of the above

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  13. Special software to create a job queue is called a

  14. A.
    Drive
    B.
    Spooler
    C.
    Interpreter
    D.
    Linkage editor
    E.
    None of the above

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  15. All the time a computer is switched on, its operating system software has to stay in

  16. A.
    main storage
    B.
    primary storage
    C.
    floppy disk
    D.
    disk drive
    E.
    None of the above

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  17. Can you name of the major Operating System used in computers?

  18. A.
    MS DOS
    B.
    OS/2
    C.
    UNIX
    D.
    All of the above
    E.
    None of the above

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  19. Which of the following is not an advantage of multiprogramming?

  20. A.
    increased throughput
    B.
    shorter response time
    C.
    decreased operating-system overhead
    D.
    ability to assign priorities to jobs
    E.
    None of the above

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