Computer operating system mcq Computer operating system mcq and answers


Q31. The combination of operating system and processor in a computer is referred to as a computers’ ……………

a. firmware
b. specifications
c. minimum requirements
d. platform

 

BOB 2011

 

 


Q32. To access the service(s) of operating system, the interface is provided by the

a. system calls
b. API
c. library
d. assembly instruction

 

 


Q33. Which of the following is not a part of operating system?

a. Kernel
b. Device Drivers
c. User Interface
d. None of these

 

 


Q34. The kernel is ……… user-level threads.

a. a part of
b. the creator of
c. unaware of
d. aware of

 

 


Q35. The number of processes completed per unit time, known as

a. output
b. throughout
c. efficiency
d. capacity

 

 


Q36. A program in execution is called

a. process
b. instruction
c. procedure
d. function

 

 


37. A thread is also called

a. Light Weight Process (LWP)
b. Heavy Weight Process (HWP)
c. process
d. All of the above

 

 


Q38. A process having multiple threads of control, implies

a. more than one task at a time
b. only one task at a time, but much faster
c. only one thread per process to use
d. All of the above

 

 


Q39. A heavy weight process

a. has multiple threads of execution
b. has a single thread of execution
c. can have multiple or a single thread for execution
d. All of the above

 

 


Q40. Interval between the time of submission and completion of the job is called

a. waiting time
b. turn around time
c. throughput
d. response time

 

 


 

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