Unit 4 (Variables, Conditionals, and Functions)

Question 1

Expression:

Answer 1

a combination of operators and values that evaluates to a single value

Question 2

Assignment Operator:

Answer 2

allows a program to change the value represented by a variable

Question 3

Variable:

Answer 3

a named reference to a value that can be used repeatedly throughout a program.

Question 4

String:

Answer 4

an ordered sequence of characters.

Question 5

Boolean Value:

Answer 5

a data type that is either true or false.

Question 6

Comparison Operators:

Answer 6

<, >, <=, >=, ==, != indicate a Boolean expression

Question 7

Logical operator:

Answer 7

NOT, AND, and OR, which evaluate to a Boolean value.

Question 8

Conditional Statement:

Answer 8

affects the sequential flow of control by executing different
statements based on the value of a Boolean expression.

Question 9

Function:

Answer 9

a named group of programming instructions. Also referred to as a “procedure”.

Question 10

Function Call:

Answer 10

a command that executes the code within a function