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Quiz 1
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Q.1
We can specify filenames in command line using perl.
a) True
b) False
Q.2
Which of the following is referred to as default variable?
a) $0
b) $1
c) $!
d) $_
Q.3
___ operator is used for selecting current line number.
a) $0
b) $1
c) $.
d) $_
Q.4
___ is known as range operator.
a) . .
b) $1
c) $.
d) $_
Q.5
The command @x=(.will assign first ten integer values to the array ‘a’.
a) True
b) False
Q.6
The ___ prefix to an array name signifies the last index of the array.
a) $0
b) $#
c) #$
d) $_
Q.7
For deleting the elements from the left of the array ___ function is used.
a) pop
b) push
c) queue
d) shift
Q.8
For deleting the elements from the right of the array ___ function is used.
a) pop
b) push
c) queue
d) shift
Q.9
To add elements to the left side of the array ____ function is used.
a) pop
b) push
c) queue
d) unshift
Q.10
To add elements to the right side of the array ____ function is used.
a) pop
b) push
c) queue
d) unshift
Q.11
Which function can combine the functionalities of push, pop, unshift and shift?
a) splice
b) add
c) delete
d) split
Q.12
For looping in a list, ____ is used.
a) for
b) fordo
c) foreach
d) while
Q.13
perl also supports use of for loop in the following manner. for($i=0;$i<3;$i++){ }
a) True
b) False
Q.14
For splitting a line or expression into fields, __ is used.
a) foreach
b) for
c) split
d) join
Q.15
___ function is used for joining lists.
a) foreach
b) for
c) split
d) join
Q.16
perl is ____ of grep, tr, sed and awk.
a) subset
b) superset
c) child
d) parent
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