System Programming MCQs with Answers
Practice important System Programming MCQs with answers and explanations.
Chapter: 137
Q2941:
Threads that depend on certain conditions must ________ until the condition is met.
A. exit
B. suspend
C. destroy
D. resume
Correct Answer:
B
Chapter: 137
Q2942:
Which mechanism ensures shared data is accessed safely in multi-threaded environments?
A. pointers
B. memory barriers
C. infinite loops
D. interrupts
Correct Answer:
B
Chapter: 137
Q2943:
When using global variables across threads, you must ensure ________.
A. thread independence
B. race conditions
C. protection via synchronization
D. recursion
Correct Answer:
C
Chapter: 137
Q2944:
The thread's environment should be ________ across all threads.
A. different
B. local
C. consistent
D. terminated
Correct Answer:
C
Chapter: 137
Q2945:
Using uninitialized shared variables in threads can cause ________.
A. faster execution
B. data loss
C. race conditions
D. thread termination
Correct Answer:
C
Chapter: 137
Q2946:
Which mechanism should be used to block thread execution until a condition is met?
A. async loop
B. synchronization objects
C. sleep function
D. malloc
Correct Answer:
B
Chapter: 137
Q2947:
All variables shared across threads should be declared as ________.
A. local
B. global or static
C. register
D. TLS
Correct Answer:
B
Chapter: 137
Q2948:
Avoid storing thread-specific counters in ________.
A. thread-local storage
B. stack
C. global memory
D. data structures
Correct Answer:
C
Chapter: 137
Q2949:
A thread should not change the environment variables because ________.
A. it speeds up the program
B. it causes a crash
C. it affects other threads
D. it locks the CPU
Correct Answer:
C
Chapter: 137
Q2950:
TLS stands for ________.
A. Thread Local Storage
B. Thread Level Synchronization
C. Thread Linked Service
D. Thread Locking System
Correct Answer:
A
Chapter: 137
Q2951:
Thread-safe code is crucial in ________ environments.
A. single-core
B. single-threaded
C. multi-threaded
D. batch processing
Correct Answer:
C
Chapter: 137
Q2952:
Functions accessed by multiple threads must be written to avoid ________.
A. reusability
B. stack usage
C. state changes
D. shared state issues
Correct Answer:
D
Chapter: 137
Q2953:
All thread-shared variables must be protected by ________ mechanisms.
A. synchronization
B. recursion
C. exception handling
D. thread ID checks
Correct Answer:
A
Chapter: 137
Q2954:
Thread safety means the code will execute correctly even when ________.
A. compiled with errors
B. run in sequence
C. executed by multiple threads
D. using no variables
Correct Answer:
C
Chapter: 137
Q2955:
Thread-specific data should never be stored in ________ variables.
A. static
B. local
C. TLS
D. global
Correct Answer:
D
Chapter: 137
Q2956:
Suspending threads is helpful when ________ variables are uninitialized.
A. system
B. temporary
C. required
D. shared
Correct Answer:
C
Chapter: 137
Q2957:
Environment variables should be modified only by ________.
A. main process
B. OS kernel
C. admin user
D. no threads
Correct Answer:
D
Chapter: 137
Q2958:
Memory barriers are used to ensure correct ordering of ________ operations.
A. floating-point
B. bitwise
C. memory access
D. loop control
Correct Answer:
C
Chapter: 138
Q2959:
Which method causes a thread to wait for another thread to terminate?
A. WaitForEvent()
B. WaitForSignal()
C. WaitForMultipleObjects()
D. ListenForThread()
Correct Answer:
C
Chapter: 138
Q2960:
Which function is used when a thread must wait for a single thread to finish?
A. WaitForFile()
B. WaitForSingleObject()
C. ThreadJoin()
D. MonitorThread()
Correct Answer:
B