Question 1

my $txt = ‘I am learning Perl’; $txt =~ /(\w+)$/; print $1;

I am learning Perl
I
Perl
l
learning

Answer

Correct Option: C

Question 2

In perl, a/n -------------- is a special character or a sequence that will define the number of times the previous character or sequence appears.

technology programming languages

Character Class
Meta character
Quantifier
Assertion

Answer

Correct Option: C

Question 3

$input = “abdce”; $output = $input =~ s/abc/123; print $input; print $output

technology programming languages

abcde nullstring
abdce 3
abdce null string
abdce 0
abdce 1

Answer

Correct Option: C

Question 4

splice(@array,-1)

technology programming languages

Equal to Pop
Equal to Push
Equal to Shift
Equal to Unshift
Does nothing

Answer

Correct Option: A

Question 5

push (@array, @sublist);

technology programming languages

splice (@array, 0, 1);
splice (@array, @array-1, 1);
splice (@array, scalar(@array), 0, @sublist);
splice (@array, 0, 0, @sublist);

Answer

Correct Option: C

Question 6

unshift (@array, @sublist);

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splice (@array, 0, 1);
splice (@array, @array-1, 1);
splice (@array, scalar(@array), 0, @sublist);
splice (@array, 0, 0, @sublist);

Answer

Correct Option: D

Question 7

$input = "azz"; print ++$input;

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abc
aza
baa
aaa

Answer

Correct Option: C

Question 8

$input = 'abc'; print --$input;

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abc
abb
minus 1
Error:Can perform this operation

Answer

Correct Option: C

Question 9

$val = 26; $result = (++$val, $val+5); print $ result;

technology programming languages

31
32
29
33

Answer

Correct Option: B

Question 10

@array = (1,2,3,4,5) $scalar1, $scalar2 = @array; print “Scalar1 value is $scalar1”; print “Scalar2 value is $scalar2”;

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1 2
4 5
5 5
Null value 5

Answer

Correct Option: D

Question 11

@array= (“one”,”two”,”three”,”four”,”five”); @sublength = (1,2,3); @sub_array = @array[@sublength]; print @sub_array;

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one two three
two three four
3
Error:unknown array

Answer

Correct Option: B

Question 12

$input = “bc999”; print ++$input;

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bc999
bd000
bc100
cd100

Answer

Correct Option: B

Question 13

Perl is

technology programming languages

Compiled Language
Interpretive Language
Machine Language
All the above

Answer

Correct Option: B

Question 14

. Shifting left n bits, and right n bits, Where n is some number greater than 0 is equivalent to?

technology programming languages

Mulitplying by 2*n and Dividing by 2*n
Dividing by 2*n and Multiplying by 2*n
Multiplying by n and Dividing by n
Dividing by n and Multiplying by n

Answer

Correct Option: A

Question 15

/de{3,}/ matches

technology programming languages

deeef
def
deef
deeeef
AandD

Answer

Correct Option: E

Question 16

@array = (1,2); ($scalar1, $scalar2, $scalar3)=@array; print $scalar1, $scalar2, $scalar3;

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1 2 Null value
1 2 0
1 2 3
Error:Array out of bound

Answer

Correct Option: A

Question 17

Is null string list (“”) equivalent to empty list()

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True
False

Answer

Correct Option: B

Question 18

Which of the followings can be a pattern delimiter

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$
^
"
%
III and IV

Answer

Correct Option: E

Question 19

/abc(?=def)/ matches?

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abc
abcdef
abcdefgh
abcde
II and III

Answer

Correct Option: E

Question 20

/abc(?!def)/ matches

technology programming languages

abc
abcdef
abcd
abdef
I and III

Answer

Correct Option: E

Description: programming languages Online Quiz - 123
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: programming languages

programming languages Online Quiz - 123

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