learn-co-students/programming-univbasics-expressions-quiz-seattle-web-080519

Programming as Conversation 1: Expressions Quiz

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Programming as Conversation 1: Expressions Quiz

?: The comparison operator == is distinct from the assignment operator = that is used to set a variable equal to a value.

(X) TRUE ( ) FALSE

?: Ruby will treat anything that is false or nil as "falsey"

(X) TRUE ( ) FALSE

?: What does REPL stand for?

(X) read–eval–print loop ( ) ruby-eval-print loop ( ) ruby-expression-print loop ( ) read-expression-print loop

?: puts "hello world” returns:

( ) hello world ( ) "hello world" (X) nil ( ) None of the above.

?: Which symbols are used as the interpolation operator in Ruby?

( ) {} (X) #{} ( ) ${} ( ) None of the above.

?: To escape double-quotes in a string, which symbol is used?

( ) '' ( ) / (X) backslash ( ) None of the above.

?: To join a String in Ruby, which symbol is used?

(X) + ( ) ++ ( ) #{} ( ) ''

?: A TypeError occurs when:

( ) You concatenate an Integer with an Integer (X) You concatenate a String with an Integer ( ) You leave off the + symbol ( ) You use mixed double and single quotes in an expression.

?: Which symbol represents exponentiation in programming?

( ) ^ ( ) () (X) ** ( ) *

?: The expression below evaluates to:

3 + 6 * 2

( ) 18 (X) 15 ( ) 11 ( ) 39

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