Chapter 3 Terms

Question 1

if statement

Answer 1

The if statement is used for a conditional execution.

Question 2

Control Structure

Answer 2

Statement or set of statements that control the execution of a program.

Question 3

Decision or Selection Structure

Answer 3

Programming constructs that allow decisions to be made based on the conditions given.

Question 4

Single Alternative Decision Structure

Answer 4

Only allows a block of code to execute if and only if a condition is true.

Question 5

Boolean Expression

Answer 5

An expression that evaluates true or false.

Question 6

Relational Operators

Answer 6

Symbols used to compare values.

Question 7

<

Answer 7

Checks if the left operand is less than the right operand.

Question 8

>

Answer 8

Checks if the left operand is greater than the right operand.

Question 9

<=

Answer 9

Checks if the operand is less than or equal to the right.

Question 10

> =

Answer 10

Checks if the operand is greater than or equal to the right.

Question 11

==

Answer 11

Checks if both values are equal.

Question 12

!=

Answer 12

Checks if both values are not equal.

Question 13

if-else statement

Answer 13

A decision making structure in which if indicates a true statement and else indicates a false statement.

Question 14

Dual Alternative Decision Structure

Answer 14

Gives two different pathways to execute a program based on multiple conditions.

Question 15

Indentation

Answer 15

It is used to define relationships and statements. Part of the code’s syntax.

Question 16

String Comparison

Answer 16

The comparisons of two strings to figure out their order.

Question 17

if-elif-else Statement

Answer 17

Allows for multiple structured conditions. It is used when there are more than two possible outcomes.

Question 18

Logical Operators

Answer 18

Operators that are used to combine the boolean values.

Question 19

and

Answer 19

This operator is true if both operands are true. If not, then it is false.

Question 20

or

Answer 20

This operator is true if one of the operands is true.

Question 21

not

Answer 21

This operator is the opposite of its operand. If true, then false and if false, then true.

Question 22

Short-Circuit

Answer 22

An evaluation in which the first operand can be determined, therefore, the second operand will not be evaluated.

Question 23

Boolean Variables

Answer 23

Variables that can either be true or false.