Practice Set 1 question answer - computer mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   The following operating system writes through catches?

(a)

(b)

(c)

(d)


Q-2)   RAID-O does not support the following characteristics:

  • A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive.
  • B: Data distributed across the physical drives of an array.
  • C: Redemdant disk capacity is used to store parity information, which guarantees data recoverability in case of a disk failure.
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    • A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive"/>

    (a)

    (b)

    (c)

    (d)


    Q-3)   Of the following which is the methods for allocating disks

    (a)

    (b)

    (c)

    (d)


    Q-4)   In the following processes: a = a + 1; b = 2 × b; b = b + 1; a = 2 × a; the output is.

    (a)

    (b)

    (c)

    (d)

    Explanation:


    Q-5)   Producer consumer problem can be solved using

    (a)

    (b)

    (c)

    (d)


    Q-6)   For file management, in file operations device drivers are

    (a)

    (b)

    (c)

    (d)


    Q-7)   A set or resource allocations such that the system can allocate resources to each process in some order, and still avoids a deadlock is called

    (a)

    (b)

    (c)

    (d)


    Q-8)   Data from and to magnetic disk is transformed in

    (a)

    (b)

    (c)

    (d)


    Q-9)   Which types of file organization are supported by magnetic tape?

    (a)

    (b)

    (c)

    (d)


    Q-10)   A policy in memory management referred as clock policy because one can visualize the page frames as laid out in

    (a)

    (b)

    (c)

    (d)