System Programming MCQs with Answers
Practice important System Programming MCQs with answers and explanations.
Chapter: 162
Q3581:
Which function allows setting spin count dynamically during runtime?
A. SetCriticalSectionSpinCount()
B. ChangeSpinValue()
C. ResetCriticalSpin()
D. UpdateSpinCount()
Correct Answer:
A
Chapter: 162
Q3582:
According to MSDN, a spin count of ______ is recommended for heap-related functions.
A. 1000
B. 2000
C. 4000
D. 8000
Correct Answer:
C
Chapter: 162
Q3583:
Spin count should be determined based on ______.
A. the OS version
B. the number of users
C. the application's dynamics
D. the file system
Correct Answer:
C
Chapter: 162
Q3584:
Short critical sections work best with ______ spin counts.
A. high
B. medium
C. very high
D. small
Correct Answer:
D
Chapter: 162
Q3585:
What is the key benefit of optimizing spin count?
A. lower cache access
B. higher memory usage
C. lower system call overhead
D. improved recursion
Correct Answer:
C
Chapter: 162
Q3586:
If spin count is too high, it may lead to ______.
A. memory leaks
B. CPU wastage
C. thread starvation
D. low recursion
Correct Answer:
C
Chapter: 162
Q3587:
Setting spin count helps to avoid excessive ______.
A. looping
B. debugging
C. system calls
D. thread pooling
Correct Answer:
C
Chapter: 162
Q3588:
SetCriticalSectionSpinCount() is called at ______.
A. compile-time
B. load-time
C. run-time
D. link-time
Correct Answer:
C
Chapter: 162
Q3589:
Critical section overheads can be minimized by adjusting ______.
A. stack size
B. spin count
C. thread size
D. mutex type
Correct Answer:
B
Chapter: 162
Q3590:
Spin count is most useful in ______.
A. network programming
B. file encryption
C. multithreading
D. IO-bound systems
Correct Answer:
C
Chapter: 162
Q3591:
A spin count that is too low may result in ______.
A. better performance
B. more system calls
C. lower cache load
D. thread duplication
Correct Answer:
B
Chapter: 162
Q3592:
________ helps to initialize a critical section and assign a spin count.
A. InitSpin()
B. InitializeCriticalSection()
C. InitializeCriticalSectionAndSpinCount()
D. SetSpinCount()
Correct Answer:
C
Chapter: 162
Q3593:
Setting an optimal spin count improves performance by reducing ______.
A. network delay
B. system calls
C. disk access
D. cache lines
Correct Answer:
B
Chapter: 162
Q3594:
Spin count helps in avoiding unnecessary ______.
A. system interrupts
B. recursive functions
C. waiting states
D. context switching
Correct Answer:
C
Chapter: 162
Q3595:
When the critical section is short, ______ spin count is preferred.
A. high
B. medium
C. small
D. none
Correct Answer:
C
Chapter: 162
Q3596:
Spin count must be adjusted as per the number of ______.
A. users
B. cores
C. processes
D. files
Correct Answer:
C
Chapter: 162
Q3597:
The effectiveness of spin count is based on ______.
A. file size
B. OS version
C. application behavior
D. network latency
Correct Answer:
C
Chapter: 163
Q3598:
What is the main advantage of using Slim Reader Writer (SRW) Locks?
A. High memory usage
B. Support for recursion
C. Minimized synchronization overheads
D. Kernel-level operations
Correct Answer:
C
Chapter: 163
Q3599:
SRW locks operate in how many modes?
A. 1
B. 2
C. 3
D. 4
Correct Answer:
B
Chapter: 163
Q3600:
Which of the following are the two modes of SRW locks?
A. Read and Write
B. Lock and Unlock
C. Exclusive and Shared
D. Enable and Disable
Correct Answer:
C