Operating system mcqs threads signal handling

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Operating system mcqs threads signal handling

Question 6 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Signals are identified by .....
A
signal identifiers
B
signal handlers
C
signal actions
D
none of the mentioned
Question 7 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Signals of a given type .....
A
are queued
B
are all sent as one
C
cannot be queued
D
none of the mentioned
Question 7 Explanation: 
The signal handler will be invoked only once.
Question 8 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
Question 9 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not TRUE?
A
Processes may send each other signals
B
Kernel may send signals internally
C
A field is updated in the signal table when the signal is sent
D
Each signal is maintained by a single bit
Question 9 Explanation: 
A field is updated in the process table when the signal is sent.
Question 10 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The usual effect of abnormal termination of a program is .....
A
core dump file generation
B
system crash
C
program switch
D
signal destruction
There are 10 questions to complete.