Perl(Engineering > Computer Science And Engineering ) Questions and answers for exam Preparation

Question 1. Language which features rich text processing capabilities and flexibility is

Perl
C
Visual Basic
Ada

Explanation:-

Answer: Option A. -> Perl

Question 2. Which of the following is used in perl?

else if
elseif
elsif
elif

Explanation:-

Answer: Option C. -> elsif

Question 3. When a string is used for numeral computations, perl converts it into

character
floating point number
number
boolean value

Explanation:-

Answer: Option C. -> number

Question 4. Scalar is denoted by_______in Perl.

#
$
%
^

Explanation:-

Answer: Option B. -> $

Question 5. In Perl, the words function and subroutines are used interchangeably.

True
False
All the above
None

Explanation:-

Answer: Option A. -> True

Question 6. Select the option which allows the user to scroll through the entire program line by line in Perl.

Using the strict pragma
Using the built-in debugger
Using the string pragma
Using the built-in error

Explanation:-

Answer: Option B. -> Using the built-in debugger

Question 7. When you create a variable, you may assume it starts off containing

1
You may not make any assumption
The boolean value "false"
A null string (or 0 arithmetically)

Explanation:-

Answer: Option C. -> The boolean value "false"

Question 8. Command line arguments in Perl are stored in

Scalar
Resource
Array
Hash

Explanation:-

Answer: Option C. -> Array

Question 9. What will be the value in the variable $a after these two statements: $a = "Happy"; $a = "Sunday";?

"Happy Sunday"
"HappySunday"
"Happy"
"Sunday"

Explanation:-

Answer: Option D. -> "Sunday"

Question 10. Which function is used by perl for displaying the length of a string?

string
len
split
length

Explanation:-

Answer: Option D. -> length