The usual effect of abnormal termination of a program is ____________

A. Core dump file generation
B. System crash
C. Program switch
D. Signal destruction

The usefulness of signals as a general inter process communication mechanism is limited because ____________

A. They do not work between processes
B. They are user generated
C. They cannot carry information directly
D. None of the mentioned

In UNIX, the set of masked signals can be set or cleared using the ________ function.

A. Sigmask
B. Sigmaskproc
C. Sigprocmask
D. Sigproc

The _______ maintains pending and blocked bit vectors in the context of each process.

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

When a process blocks the receipt of certain signals?

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

Signals are identified by ____________

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

The three ways in which a process responds to a signal are ____________

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

Signals of a given type ____________

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

Signals that occur at the same time, are presented to the process ____________

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

In the Many to Many models when a thread performs a blocking system call ___________

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