Dispatcher module gives control of the CPU to the process selected by the short-term scheduler; this involves:
Switching context
Switching to user mode
Jumping to the proper location in the user program to restart that program
Dispatch latency ? time it takes for the dispatcher to stop one process and start another running.
What is the output of the program?
#! /usr/bin/awk -f
BEGIN {
a[1]="google"
a[2]="google"
for(i=1;i<3;i++) {
print a[i]
}
}
a) "google" will print 2 times
b) "google" will print 3 times
c) program will generate error becasue 2 array elements have the same value
d) program will generate syntax errorDefine the output of the program?
#! /usr/bin/awk -f
BEGIN {
a["linux","MCQ"]="google"
print a["linux","MCQ"]
}
a) google
b) linux MCQ
c) a["linux","MCQ"]
d) syntax errorWhat is the output of the program?
#! /usr/bin/awk -f
#This filename is text.awk
BEGIN {
print FILENAME
}
a) test.awk
b) program will print nothing
c) syntax error
d) fatal errorWhich one of the following is used by awk to control the conversion of numbers to string? a) RS b) OFMT c) SUBSEP d) RSTART
What is the meaning of $ sign in awk programming? a) the word following is the name of variable b) we are referring to a field or column in the current line c) $ sign is used for comment d) none of the mentioned
In awk program, the name of the array can not be same with the a) name of variable b) value of the array element c) both (a) and (b) d) none of the mentioned
RSTART is set by invoking the a) match function b) index function c) asort function d) split function
In awk, the built-in variable FS is a) input field seperator b) output field seperator c) record seperator d) subscript seperator
What is FNR? a) FNR is the current record number in the current file b) FNR is the number of fields in the current input record c) FNR is an array contains the value of environment d) none of the mentioned
Which statement skips over the rest of the loop body, causing the next cycle around the loop to begin immediately? a) continue b) break c) next d) none of the mentioned
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