Unit 4

Question 1

What is an Assignment Operator?

Answer 1

Allows a program to change the value represented by a variable.

Question 2

What is an Expression?

Answer 2

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

Question 3

What is a String?

Answer 3

An ordered sequence of characters.

Question 4

What is a Variable?

Answer 4

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

Question 5

What is a Boolean Value?

Answer 5

A data type that is either true or false.

Question 6

What are Comparison Operators?

Answer 6

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

Question 7

What are Logical Operators?

Answer 7

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

Question 8

What is a Conditional Statement?

Answer 8

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

Question 9

What is a Function?

Answer 9

A named group of programming instructions. Also referred to as a ‘procedure’.

Question 10

What is a Function Call?

Answer 10

A command that executes the code within a function.