Chapter 3: What to Remember about Memory

Exam Objectives

check.png Understanding memory terminology

check.png Identifying RAM types

check.png Understanding DRAM types

check.png Working with memory modules

check.png Identifying parity and nonparity memory

Finding out how much memory a computer has is one popular way to measure that computer’s power and capabilities. Think about it: If someone asked you what kind of computer you have, what would you answer? Probably something like, “I have a Pentium 4 with 1 gig of RAM.” But why do we measure the power of a computer based on the amount of memory it has?

In this chapter, you discover the purpose of memory and some of the different types of memory found in computers today. This chapter also discusses issues that affect installing memory in personal computers and laptops.

Understanding the Types of Memory

This section outlines different types of computer memory — anything that stores information either permanently or temporarily. Computers have two different flavors of memory: ROM and ...

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