Perl Objective Questions | MCQs

Question: 1

Which of the following expression matches a line which begins with a?

(A) /^a/
(B) /@a/
(C) /$a/
(D) /~a/

Level: Beginner Category: regularexpressions
[Posted by: Admin | Chicago, USA]

Question: 2

In which of the following expressions 'b' is optional?

(A) /a?bc/
(B) /a~bc/
(C) /a'bc/
(D) /ab?c/

Level: Beginner Category: regularexpressions
[Posted by: Admin | Chicago, USA]

Question: 3

Which of the following expression represents a single char between a & c?

(A) /a*c/
(B) /a.c/
(C) /a_c/
(D) /a?c/

Level: Beginner Category: regularexpressions
[Posted by: Admin | Chicago, USA]

Question: 4

Perl code to push variable 'x' to array 'arr' is

(A) push @arr ($x)
(B) push @arr $x
(C) push $x @arr
(D) push @arr, $x

Level: Beginner Category: arrays
[Posted by: Admin | Chicago, USA]

Question: 5

Perl code to exit the program with error message 'Error detected !' is?

(A) die["Error detected!"]
(B) die "Error detected!"
(C) die $"Error detected!"
(D) exit; "Error detected!"

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 6

It is possible to create objects in Perl?

(A) Yes
(B) No

Level: Practionar Category: variables
[Posted by: Admin | Chicago, USA]

Question: 7

Which of the following data type stores associative arrays?

(A) Scalar
(B) Hash
(C) Resource
(D) Array

Level: Beginner Category: arrays
[Posted by: Admin | Chicago, USA]

Question: 8

Which of the following symbol is used to denote Scalar in Perl?

(A) $
(B) #
(C) %
(D) ^

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 9

"%" is used with

(A) Scalar Variables
(B) Has Variables
(C) Arrays
(D) Subroutines

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 10

Which of the following symbol is used to denote Arrays?

(A) #
(B) $
(C) @
(D) %

Level: Beginner Category: arrays
[Posted by: Admin | Chicago, USA]

Question: 11

Perl is?

(A) An application program
(B) A relation database
(C) A type of interat
(D) A programming language

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 12

Which one of the following is comparison operator in Perl?

(A) &&
(B) ||
(C) !=
(D) =

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 13

"+=" known as following operator

(A) Arithematic Operator
(B) Comparision Operator
(C) Increment/Decrement Operator
(D) Assignment Operator

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 14

Symbol used to identify subroutine in perl?

(A) &
(B) $
(C) #
(D) @

Level: Practionar Category: other
[Posted by: Admin | Chicago, USA]

Question: 15

Command line arguments are stored in ?

(A) Array
(B) Hash
(C) Scalar
(D) Resource

Level: Practionar Category: other
[Posted by: Admin | Chicago, USA]

Question: 16

Which of the following is correct syntax for else if statement

(A) else if
(B) elsif
(C) elseif
(D) elif

Level: Beginner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 17

Scalar are used to store

(A) Arrays
(B) Single Value
(C) Float Values
(D) Hashes

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

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