The IRB ____.
A) Provides Ruby programmers with command line access to the Ruby parser.
B) Can be used to test the effects of Ruby statements.
C) Can be used to load and execute entire scripts.
D) All of the above.

Question

Quizplus · Accepted Answer

The IRB (Interactive Ruby Shell) can be used for all three purposes listed in options A, B, and C. It provides command line access to the Ruby parser, allowing programmers to test the effects of Ruby statements and to load and execute entire scripts. Therefore, option D is the correct answer.