Perl Compilation - Quiz Explanation
The correct answers are indicated below, along with text that explains the correct answers.
1.
What type of data does Perl handle with particular ease and efficiency?
Please select the best answer.
A.
numerical data
B.
text data
C.
GUI data
The correct answer is B.
While it's possible to handle complicated mathematical equations in Perl, the language is at its best handling text with ease and efficiency. Perl is primarily a command line language and does not easily allow you to write graphical user interfaces.
2.
What is an interpreter?
Please select the best answer.
A.
A program that converts source code into another form that is then executed in a separate step.
B.
A program that executes your source code directly, without first converting it to another form.
C.
A program that compiles parts of your program into an intermediate byte code and then, at runtime, interpretes the parts of the program that cannot be readily compiled.
The correct answer is B.
An
interpreter
is a program that interprets source code and executes it without first compiling it into a different form. A
compiler
is a program that converts source code into another form that is then executed in a separate step. Answer C is actually a description of the
perl
program, which is part compiler and part interpreter.
3.
What is
perl
?
Please select the best answer.
A.
A computer language that is popular with web programmers
B.
A program that interprets Perl code, but does not compile it
C.
A program that compiles and interprets Perl code, depending on the code and the context
The correct answer is C.
The program
perl
is part compiler and part interpreter.
The language is called Perl, not
perl
.