Module 1 Chapter 1 Programming Basics

Question 1

What is an algorithm?

Answer 1

An algorithm is a set of rules or a sequence of steps specifying how to solve a problem. They all have input, processing and output.

Question 2

Give five examples of the different data types used in programming

Answer 2

• Integer
• Real/ Float
• Boolean
• Character
• String

Question 3

What are variables?

Answer 3

Identifiers given to memory locations whose contents will change during the course of the program.

Question 4

What are constants?

Answer 4

Identifiers given to memory locations whose contents never change during the course of the program. Not all programming languages allow you to define constants.