Chapter 3

Question 1

Control structure

Answer 1

Logical design that control the order in which set of statements execute.

Question 2

Sequence structure

Answer 2

Set of statements that execute in the order they appear.

Question 3

Decision structure

Answer 3

Specific action(s) performed only if a condition exist. Also known as selection structure.

Question 4

Single alternative decision structure

Answer 4

Provides only one alternative path of execution. If condition is not true, exit the structure.

Question 5

if clause

Answer 5

The first line in an if statement.

Question 6

Boolean expression

Answer 6

Expression tested by if statement to determine if it is true or false.

Question 7

Relational operator

Answer 7

Determines if a specific relationship exists between two values (examples: < and >).

Question 8

Dual alternative decision structure

Answer 8

Two possible paths of execution.

Question 9

if-elif-else statement

Answer 9

Special version of decision structure

Question 10

Logical operators

Answer 10

Operators that can be used to create complex Boolean expressions.

Question 11

and operator & or operator

Answer 11

Binary operators. Connect two Boolean expressions into a compound Boolean expression.

Question 12

not operator

Answer 12

Unary operator. Reverses the truth of its Boolean operand.

Question 13

Short circuit evaluation

Answer 13

Deciding the value of a compound Boolean expression after evaluation only one sub expression.

Question 14

Boolean variable

Answer 14

References one of two values: True or False

Question 15

Flag

Answer 15

Variable that signals when some condition exists in a program.