1.
What is true of the Perl programming language?
Correct Answer
D. All of the above
Explanation
All of the statements mentioned are true about the Perl programming language. It was originally created for script manipulation, meaning it was designed to manipulate and process text files and perform various scripting tasks. It supports both procedural and Object-Oriented programming paradigms, allowing programmers to choose the approach that best suits their needs. Additionally, Perl is syntactically similar to the C programming language, making it easier for programmers familiar with C to learn and use Perl.
2.
What is the most used expansion for PERL language?
Correct Answer
B. Practical Extraction Reporting Language
Explanation
The most used expansion for the PERL language is Practical Extraction Reporting Language. This expansion accurately reflects the purpose and functionality of PERL, which is primarily used for text processing and report generation. The other options do not accurately describe the language or its main uses.
3.
Who developed Perl language?
Correct Answer
C. Larry Wall
Explanation
Larry Wall is the correct answer because he is the developer of the Perl programming language. Perl was created by Larry Wall in the late 1980s and has since become a popular language for web development, system administration, and other tasks. Wall's design philosophy for Perl focused on making easy things easy and hard things possible, leading to the language's flexibility and versatility.
4.
Programs written in Perl are known as
Correct Answer
A. Perl scripts
Explanation
Programs written in Perl are known as Perl scripts because Perl is a scripting language that is specifically designed for text processing. It is commonly used for tasks such as file manipulation, system administration, and web development. The term "Perl scripts" refers to the programs written in Perl, indicating that they are written in the Perl programming language and are intended to be executed as scripts. The option "Perl syntax" is incorrect because Perl syntax refers to the rules and structure of the Perl programming language, not the programs written in Perl.
5.
For which operating system was Perl 1.0 released?
Correct Answer
A. UNIX
Explanation
Perl 1.0 was released for the UNIX operating system. Perl was originally developed by Larry Wall in the late 1980s as a scripting language for UNIX systems. It was designed to be a practical and efficient tool for text processing and system administration tasks. Over time, Perl gained popularity and was later ported to other operating systems such as Linux and Microsoft Windows. However, the initial release of Perl was specifically for UNIX.
6.
Perl language is nonportable and platform-dependent.
Correct Answer
B. False
Explanation
Perl language is actually highly portable and platform-independent. It can run on various operating systems such as Windows, macOS, Linux, and Unix. Perl achieves portability through its interpreter, which is available for different platforms. This allows Perl programs to be written once and run on different systems without any major modifications. Therefore, the correct answer is false.
7.
Which year was Perl language launched?
Correct Answer
D. 1987
Explanation
Perl language was launched in 1987.
8.
What is the latest version of Perl as of 2022?
Correct Answer
C. 5.36.0
Explanation
The latest version of Perl as of 2022 is 5.36.0. This means that there have been updates and improvements made to the programming language since the previous version, 5.32.0. The option "Perl is not being used nowadays" is incorrect, as Perl is still actively used by many developers and organizations for various purposes.
9.
How many types of variables are there in Perl?
Correct Answer
B. 3
Explanation
There are three types of variables in Perl. This includes scalar variables, array variables, and hash variables. Scalar variables can hold a single value, while array variables can hold multiple values in a specific order, and hash variables can hold key-value pairs. Therefore, the correct answer is 3.
10.
What is the file extension for the Perl program?
Correct Answer
C. .pl
Explanation
The file extension for Perl programs is .pl. This is a commonly used extension for Perl scripts and is recognized by most Perl interpreters and editors. The other options (.prl and .perl) are not standard file extensions for Perl programs. Therefore, the correct answer is .pl.