1. Operating System means ........................
A) a set of programs which controls computer working.
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C) a set of devices and programs
D) All of the above
2. The basic types of OS are ...................
A) batch and time sharing
B) sequential and real time
C) direct and interactive
D) batch and interactive
3. The simplest way of deadlock is to ...
A) preempt a resource
B) rollback
C) kill one of the processes
D) lock one of the processes
4. Throughput of a system is
A) Number of programs processed by it per unit time
B) Number of times the program is invoked by the system
C) Number of requests made to a program by the system
D) None of the above
5. Which of the following is not OS layer?
A) Kernel
B) Shell
C) Application Programs
D) Critical Section
6. Round robin scheduling is essentially the preemptive version of ...........
A) first in first out
B) shortest job first
C) shortest remaining
D) longest time first
7. The process that are residing in the main memory and are waiting to execute are kept on a list called the ............
A) job queue
B) ready queue
C) wait queue
D) device queue
8. Which of the following describes the ability of an OS to support multiple, concurrent paths of execution within a single process?
A) Multithreading
B) Multiprocessing
C) Multitasking
D) Multiprogramming
9. Virtual memory is
A) an extremely large main memory
B) an extremely large secondary memory
C) an illusion of extremely large main memory
D) a type of memory used in super computers
10. A thread is a .................... precess.
A) heavy weight
B) multiprocess
C) inter thread
D) light weight
Answers:
1. Operating System means ........................
A) a set of programs which controls computer working.
2. The basic types of OS are ...................
D) batch and interactive
3. The simplest way of deadlock is to ...
C) kill one of the processes
4. Throughput of a system is
A) Number of programs processed by it per unit time
5. Which of the following is not OS layer?
D) Critical Section
6. Round robin scheduling is essentially the preemptive version of ...........
A) first in first out
7. The process that are residing in the main memory and are waiting to execute are kept on a list called the ............
B) ready queue
8. Which of the following describes the ability of an OS to support multiple, concurrent paths of execution within a single process?
A) Multithreading
9. Virtual memory is
C) an illusion of extremely large main memory
10. A thread is a .................... precess.
D) light weight
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