Perl Basics and Practical Applications Quiz Quiz

1. Perl Introduction

   Which statement best describes Perl as a programming language?

   1. Perl is a high-level, interpreted language often used for text processing.
   2. Perl is exclusively a database query language.
   3. Perl is a low-level language primarily used for operating system kernels.
   4. Perl is only used for web page design.
   5. Perl is a hardware control language similar to assembly.

2. Script Syntax

   What symbol does a Perl script use to indicate the start of a scalar variable, such as in $name?

   1. u0026
   2. @
   3. ?
   4. $
   5. %

3. Comments in Perl

   How do you write a single-line comment in Perl?

   1. # This is a comment
   2. // This is a comment
   3. /* This is a comment */
   4. -- This is a comment
   5. u003C!-- This is a comment --u003E

4. Basic Input/Output

   Which Perl function is commonly used to display output to the screen, such as printing 'Hello World'?

   1. out()
   2. show()
   3. print()
   4. display()
   5. output()

5. Array Declaration

   Which of the following is the correct way to declare an array of numbers in Perl?

   1. $numbers = (1, 2, 3);
   2. @numbers = [1 2 3];
   3. @numbers = (1, 2, 3);
   4. numbers = {1, 2, 3};
   5. %numbers = (1, 2, 3);

6. Regular Expressions

   If you want to check if a string exactly matches the word 'Perl', which Perl operator is typically used?

   1. ==
   2. =~
   3. u003C=
   4. !==
   5. ?:

7. File Handling Basics

   Which Perl function can be used to open a file for reading?

   1. connect()
   2. readfile()
   3. open()
   4. usefile()
   5. access()

8. Use Case Scenario

   For which task is Perl especially well-suited and often chosen?

   1. Advanced 3D graphics rendering
   2. Complex video game development
   3. Automating text file processing and report generation
   4. Developing mobile operating systems
   5. Designing microchip hardware layouts

9. Variable Types

   What is the symbol used to represent a hash (associative array) in Perl, as in %fruits?

   1. u0026
   2. %
   3. *
   4. $
   5. @

10. Script Execution

    Which file extension is most commonly used for Perl script files?

    1. .sh
    2. .py
    3. .pl
    4. .rb
    5. .js