CompTIA A+ Certification All-in-One Exam Guide, Seventh Edition (Exams 220-701 & 220-702), 7th Edition

CHAPTER 5Microprocessors

In this chapter, you will learn how to

• Identify the core components of a CPU

• Describe the relationship of CPUs and memory

• Explain the varieties of modern CPUs

• Install and upgrade CPUs

For all practical purposes, the terms microprocessor and central processing unit (CPU) mean the same thing: it’s that big chip inside your computer that many people often describe as the brain of the system. From earlier in the book, you know that CPU makers name their microprocessors in a fashion similar to the automobile industry: CPU names get a make and a model, such as Intel Core i7 or AMD Phenom II X4. But what’s happening inside the CPU to make it able to do the amazing things asked of it every time you step up to the keyboard? ...