Question 21

The semantics of Scheme uses static type checking.

True

False

22

Which of the following represents a list of data in Scheme?

(3.1, 3.2, 3.3)

(3.1; 3.2; 3.3)

(quote (3.1 3.2 3.3))

(quote (3.1, 3.2, 3.3))

Question 23

A function definition describes how a value is to be computed using formal parameters.

True

False

Question 24

To express symbols as a data type in Scheme, use the keyword ____.

		symbol
		form
		quote
		exclamation Question 25 The rand function is referentially transparent. True False