A hardware or software flag.
In multitasking systems, a semaphore is a variable with a value that indicates the status of a common resource.
Its used to lock the resource that is being used.
A process needing the resource checks the semaphore to determine the resource's status
and then decides how to proceed.
What is Event Object and why it is used?
Which is the data member common to all the kernel object and what is the use of it?
What is the limit on per process for creating a thread?
What do you mean by unnamed object?
What about the usage count in the parent child process tables?
How the handles are handled in the child process?
What is Mutex Object and why it is used?
What is a thread?
What is expression in awk programming? a) expression evaluates a value to print, test or pass to a function b) expression assigns a new value to a variable or field c) both (a) and (b) d) none of the mentioned
What is the output of this program?
#! /usr/bin/awk -f
BEGIN {
two=2;
two++;
print two
}
a) two
b) three
c) 2
d) 3
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