Question 26

In a regular expression, repetition is indicated by ____.

		an exclamation mark
		a vertical bar
		a hyphen
		an asterisk

1 points

Question 27

Reserved words, or keywords, are not considered to be a typical token category.

True

False

1 points

Question 28

During its ____ phase, a translator collects sequences of characters from the input program and forms them into tokens.

		parsing
		analyzing
		generating
		scanning

1 points

Question 29

The principle of ____ takes the longest possible string of nonblank characters into a single token.

		greatest aggregate
		maximized grouping
		longest substring
		multipass parsing

1 points

Question 30

hd is the predefined list function that returns the head of a list in Scheme.

True

False