Operating System MCQs

A. Increased concurrency provided by this model
B. Decreased concurrency provided by this model
C. Creating so many threads at once can crash the system
D. Creating a user thread requires creating the corresponding kernel thread

A. When the program does not need multithreading
B. When the program has to be multi-threaded
C. When there is a single processor
D. None of the mentioned

A. The kernel can schedule only one thread at a time
B. There are too many threads to handle
C. It is hard to map threads with each other
D. None of the mentioned

A. Other threads are strictly prohibited from running
B. Other threads are allowed to run
C. Other threads only from other processes are allowed to run
D. None of the mentioned

A. One at a time, in a particular order
B. One at a time, in no particular order
C. All at a time
D. None of the mentioned

A. Are queued
B. Are all sent as one
C. Cannot be queued
D. None of the mentioned

A. Ignoring the signal
B. Handling the signal
C. Performing some default action
D. All of the mentioned

A. Signal identifiers
B. Signal handlers
C. Signal actions
D. None of the mentioned

A. The signals are delivered
B. The signals are not delivered
C. The signals are received until they are unblocked
D. The signals are received by the process once they are delivered

A. Cpu
B. Memory
C. Process
D. Kernel