Recents in Beach

Operating System MCQ For WBJECA ( SET - 8)

WBJECA MCQ FOR NEW SYLLABUS

Operating System MCQ ( SET - 8)

O.S MCQ

  1. Spinlocks are intended to provide ____________ only .

    1. Aging
    2. Progress
    3. Mutual Excluction
    4. Bounded Waiting
    Answer: D
    Explantion: None

  2. Which one o fthe following is the deadlock avoidance algorithm ?

    1. Round-Robin Algorithm
    2. Karn's Algorithm
    3. Elevator Algorithm
    4. Bandker's Algorithm
    Answer: D
    Explantion: None

  3. A system is in a safe state only if there exists a :

    1. Safe sequence
    2. Safe allocation
    3. Safe resource
    4. All of these
    Answer: A
    Explantion: None.

  4. Dynamic loading is :

    1. loading multiple routines randomly
    2. loading a routine only when it is called
    3. loading multiple routines dynamically
    4. All of these
    Answer: B
    Explantion: None

  5. The bounded buffer problem is also know as :

    1. Dining- philosophers problem
    2. Readers-Writers problem
    3. Both (A) and (B)
    4. None of above
    Answer: A
    Explantion: None

  6. The request and release of resources are ______________ .

    1. Interrupts
    2. System Calls
    3. Special Programs
    4. Command Line Statements
    Answer: B
    Explantion: None

  7. If the resources are preempted from the same process, ______________ can occur ?

    1. Starvation
    2. Deadlock
    3. System Crash
    4. Aging
    Answer: A
    Explantion: None

  8. The ___________ swaps processes in and out of the memory .

    1. CPU manager
    2. CPU
    3. User
    4. Memory manager
    Answer: D
    Explantion: None

  9. The base register is also known as the :

    1. Relocation Register
    2. Delocation Register
    3. Regular Register
    4. Basic Register
    Answer: A
    Explantion: None

  10. 10

    A system has 12 magnetic tape drives and 3 processes :P0,P1 and P2. Process P0 requires 10 tape drives , P1 requires 4 and P2 requires 9 tape drives . Currently allocated(process-wise) 5,2,2 Which of the following sequence is a safe sequence ?

    1. P2,P0,P1
    2. P1,P0,P2
    3. P0,P1,P2
    4. P1,P2,P0
    Answer:D
    Explantion: None

Tags:

Post a Comment

0 Comments