Type Here to Get Search Results !

Operating System Mcq [SET - 11] | Real Time Operating System Mcq with Answers pdf Download

 

Real Time Operating System Mcq with Answers pdf Download



1. Types of Threads

    User level Threads
    Kernel Level Threads
    Both of above

ANSWER= (C) Both of above

 

2. Size of the ..................memory mainly depends on the size of the address bus.

    main
    virtual
     secondary

ANSWER= (A)  main

 

3. Process can be anyone the following

    Process Being Created
    Running
    Waited, Ready

ANSWER= (D) All of the above

 

4. The architecture that uses a tighter coupling between the compiler and the processor.

    epic
    multi-core
    risc

ANSWER= (A) epic

 

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

     Main storage
     Primary storage
    Floppy disk

ANSWER= (B) Primary storage

 

6. The number of clock cycles per second is referred as                  

    clock speed
    clock frequency
     clock rate

ANSWER= (A) clock speed

 

7. The approach in which one thread immediately terminates the target thread is known as ___________ cancellation

     Deferred
    Asynchronous
    Synchronous

ANSWER= (B) Asynchronous

 

8. The operation that does not involves clock cycles is                    

    installation of a device
    execute
    fetch

ANSWER= (A) installation of a device

 

9.  The target thread periodically checks whether it should terminate, allowing it an opportunity to terminate itself in an orderly fashion is ___________ cancellation

    Deferred
    Random
    Synchronous

ANSWER= (A) Deferred

 

10. A collection of instructions (or operations) that performs a single logical function is called a

    Job
     Events
    Transaction

ANSWER= (C) Transaction

 

11. The total transfer time is ________ to the amount of memory swapped

    directly proportional
    indirectly proportional
    equal

ANSWER= (A) directly proportional

 

12.  A set of processes is deadlock if

    each process is blocked and will remain so forever
    each process is terminated
    all processes are trying to kill each other

ANSWER= (A)  each process is blocked and will remain so forever

 

13. In a multi-programming environment :

    the processor executes more than one process at a time
    the programs are developed by more than one person
    more than one process resides in the memory

ANSWER= (C) more than one process resides in the memory

 

14. Which process can affect of be affected by other processes executing in the system?

    cooperating process
    child process
    parent process

ANSWER= (A) cooperating process

 

15. Which of the following software is used to simplify using of system software?

    Time sharing
    Multi-tasking
    Operating environment

ANSWER= (A) Time sharing

 

16. Which of the following state transitions is not possible ?

    blocked to running

    blocked to ready

ANSWER= (A) blocked to running

 

17.Two basic types of operating systems are

    Batch and interactive
    Sequential and real time
    Batch and time share

ANSWER= (A) Batch and interactive

 

18. All of the following are TRUE regarding virtual memory EXCEPT

    Any amount of RAM can be allocated to virtual memory
    The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
    This temporary storage is called the swap file or page file

ANSWER= (A) The setting for the amount of hard disk drive space to allocate virtual memory can be manually change

 

19. To avoid the delay due to manual operation ___ was introduced.

    Assistant
     Efficient
    Job sequencing

ANSWER= (C) Job sequencing

 

20. The Banker’s algorithm is used

    to rectify deadlock
    to detect deadlock
    to prevent deadlock

ANSWER= (C) to prevent deadlock

 

21. A set of extended instructions providing an interface between the Operating System and the user programs, is called a ____


     Machine call
    System call
    Instruction call

ANSWER= (A) System call

 

22. What is the method of handling deadlocks?

    Use a protocol to ensure that the system will never enter a deadlock state.
    Allow the system to enter the deadlock state and then recover.
    Pretend that deadlocks never occur in the system

ANSWER= (A) All of the Above

 

23. Which one is an example of race condition

    Simple Switch
    Light Switch
    Smart Switch

ANSWER= (B)  Light Switch

 

24. Whenever the CPU scheduler decides to execute a process, it calls the

    Dispatcher
    Scheduler
    Performer

ANSWER= (A) Dispatcher

 

25. ________ is solved by Dijkstra’s banking algorithm

    Deadlock recurrence
    Deadlock avoidance
    Deadlock exclusion

ANSWER= (B) Deadlock avoidance

 

26. When the process issues an I/O request :

    It is placed in an I/O queue
    It is placed in a waiting queue
    It is placed in the ready queue

ANSWER= (A)  It is placed in an I/O queue

 

27. The address of the next instruction to be executed by the current process is provided by the

    CPU registers
    program counter
    process stack

ANSWER= (B) program counter

 

28. Where does the swap space residable?

    RAM
     Disk
    ROM

ANSWER= (B) Disk

 

29. In ..................... mapping, the data can be mapped anywhere in the Cache Memory.

    associative
    direct
    set associative

ANSWER= (A) associative

 

30. The target thread periodically checks whether it should terminate, allowing it an opportunity to terminate itself in an orderly fashion is ___________ cancellation

    Deferred
    Random
    Synchronous

ANSWER= (A) Deferred




Friends if you like this post,kindly comment bellow and do share your responce.Thank You for Visiting.

Post a Comment

0 Comments
* Please Don't Spam Here. All the Comments are Reviewed by Admin.

Top Post Ad

Below Post Ad