Lesson 2 - Internal Computer Components: CPUs, I/O, Memory, and Accessory Cards

   Introduction

Computers are the endpoints, or nodes, in a network and come in a variety of shapes and sizes. It is important to understand the common components found in most computer systems. This lesson reviews important aspects of clients and servers that attach to a network.

    Objectives

At the end of this lesson you should be able to demonstrate an understanding of:

1.	The function of a CPU in a computer
2.	The role memory plays in a computer and its impact in the operation of a computer
3.	I/O of a computer
4.	Types of storage found in computers
5.	NICs and how computers connect to a network

Key Point
All internal computer components have multiple options for speed and capacity.