Now that we are well into the 21st century, it's safe to say that computers are here to stay. Computers are integral parts of our lives, and it's important to be aware of and understand them.

This lesson will teach you what computers are, how they work, and about their key components. You will also learn about computer peripheral input and output devices and why they are important.

Upon completion of this lesson you will be able to:

• Define a computer's purpose and describe its basic function
• List basic computer components and their functions
• Identify peripheral input and output devices