Multiple Choice
The IRB lets you type in commands and small code snippets and to retrieve immediate results. The IRB command prompt consists of multiple parts separated by a colon as shown here: irb(main) :001:0> Which of these parts is incorrectly described below?
A) (main) - Identifies the current class (in this case the main object)
B) 001 - A three digit number showing Ruby's version number
C) 0 - Represents the current queue depth when working with a class
D) > - The end of the command prompt
Correct Answer:

Verified
Correct Answer:
Verified
Q10: The IRB is _.<br>A) A Ruby shell
Q11: Ruby scripts run slower than their compiled
Q12: The origins of Ruby go back to
Q13: Ruby scripts can run directly on all
Q14: Ruby's development was heavily influenced by all
Q16: Ruby on Rails (Rails) is a Web-based
Q17: A feature of Ruby that sets it
Q18: Which of the following statements is sometimes
Q19: The application that first demonstrated Ruby's capabilities
Q20: To determine if Ruby is installed on