Lesson 1: ROM and RAM
In earlier tutorials, we learned that the CPU and motherboard (bus and controllers) are critical components that help determine the overall speed with which a computer can process data. This tutorial looks at another important system component and performance factor: memory.
Technicians are often asked to upgrade PCs by adding more memory, and memory conflicts or errors commonly prompt calls for assistance by users. Understanding how memory works, how to choose the right memory for a given system, and how to troubleshoot memory problems is critical to success as a computer technician.
As a computer technician, you will encounter various types of memory. This lesson defines the different types of memory, shows you how to locate memory in a computer, and discusses how to expand or add new memory.
After this lesson, you will be able to:
- Identify the various types of memory.
- Define the types of memory and describe their advantages and disadvantages.
- Specify the correct memory upgrades for a given computer.
Estimated lesson time: 40 minutes
Before You Begin
A clear understanding of microprocessors, motherboards, and computer buses, covered in earlier tutorials, is required before beginning this tutorial.