Amazon Introduction To Coding 2

Question 1

What is the primary purpose of a variable in programming?

Accepted Answer

To store a value that can be referenced and changed later

Answer

A variable is a named container that holds a value which can be read or modified during execution.

Question 2

Which of the following is a Boolean value?

Accepted Answer

true

Answer

Boolean values are either true or false.

Question 3

What does a 'loop' allow a program to do?

Accepted Answer

Repeat a block of code multiple times

Answer

Loops repeat instructions until a condition is met, avoiding duplicated code.

Question 4

In most languages, what symbol commonly ends a statement?

Accepted Answer

Semicolon (;)

Answer

Many languages like C, Java, and JavaScript use a semicolon to terminate statements.

Question 5

What is a function in programming?

Accepted Answer

A reusable block of code that performs a task

Answer

Functions group instructions so they can be called repeatedly with different inputs.

Amazon Practice Test