Quiz  /  Real Time Operating System Gate & PSU MCQ Questions With Answers

  • 1. 
    Saving the content of the CPU registers and loading the new task parameter is called ?

  • Semaphore
  • Context Switching
  • Stacking
  • Interrupt

  • 2. 
    A logical endpoint in a two-way communication link between two applications running on a network is a

  • Socket
  • Rocket
  • Pocket

  • 3. 
    How many OS types are there

  • 2
  • 3
  • 5

  • 4. 
    Example of kernel object is

  • File system
  • Device manager
  • Task
  • Communication software

  • 5. 
    Process means

  • Program in execution
  • Program not in execution

  • 6. 
    Pre-emptive means

  • temporarily stop
  • permanently stop
  • never stop

  • 7. 
    Automatic teller machine is an example of

  • Hard real time system
  • Soft real time system

  • 8. 
    Windows XP is an example for

  • General purpose OS
  • Real time OS

  • 9. 
    Pipes can be

  • unidirectional or bi-directional
  • unidirectional only
  • bi-directional only

  • 10. 
    The code memory area which holds the program instructions for accessing a shared resource means

  • Critical section
  • Super section
  • final section
  • normal sectio

  • 11. 
    VxWorks is an example for

  • Real time OS
  • General purpose OS
  • Real to me OS

  • 12. 
    Example for scheduling algorithms in RTOS

  • FIFO
  • Shortest Job First
  • Round Robin
  • All of the above

  • 13. 
    Pipe client means

  • a process which connects to a pipe
  • (a process which creates a pipe)

  • 14. 
    A bridge between user & system resources is

  • OS
  • Oh yes
  • As
  • Qs

  • 15. 
    The kernel object determines which task should be run next is called

  • Scheduler
  • Semaphore
  • ISR
  • Mutex

  • 16. 
    Threads are

  • Primitives
  • Entire program

  • 17. 
    The core of the OS is

  • Kernel
  • Kamal
  • Caramel

  • 18. 
    Identify the two memory spaces wrt OS

  • Kernel space & user space
  • No separate space at all
  • Public space & private space

  • 19. 
    In _____algorithm , kernel allocates a certain amount of time for each task waiting in the queue.

  • FIFO
  • Round Robin
  • Shortest Job First
  • Preemptive

  • 20. 
    The hardware signal that informs the CPU that an important event occurred.

  • Signal
  • Scheduler
  • Task
  • Interrupt

  • 21. 
    Message passing is classified into

  • (Message queue, mailbox, signaling)
  • (Message queue, mailbox) only
  • (Message queue, signaling) only

  • 22. 
    The kernel service/application, which implements the scheduling algorithm, is known as

  • Scheduler
  • Creator
  • Janitor

  • 23. 
    Determining which task/process is to be executed at a given point of time known as

  • task/ process scheduling
  • THREAD
  • SWTICH
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