Chapter 4: The CPU



Chapter 4: The CPU

After studying this chapter you will be able to:

• Identify the operation, function and purpose of the CPU

• Differentiate between the internal and external bus system

• Identify and explain the major portions of a CPU

• Briefly review the evolution of the CPU

• Identify sockets and SEC connections associated with the CPU

• Identify and explain the purpose of a voltage regulator

• Explain real and protected modes of operation

Part 1: Define the following terms

Arithmetic logic unit

Assembly language

Bus unit

Cache

Clock doubling

Compiler

Complex instruction set computer (CISC)

Control unit

CPU

Decode unit

Dual independent bus (DIB)

Dynamic execution

Front side bus (FSB)

Instruction set

Instructions

L1 cache

L2 cache

L3 cache

Math coprocessor

MMX processor

Multiple branch prediction

Overclocking

Pin grid array (PGA)

Processor affinity

Processor throttling

Protected mode

Real mode

Reduced instruction set computer (RISC)

Register unit

Registers

Simultaneous threading

Single edge contact (SEC)

Superscalar

System management mode (SMM)

Thread

Virtual mode

Zero insertion force (ZIF) socket

Part 2: Answer the following questions

1. How is CPU performance measured?

2. What effect does overclocking have on a CPU?

3. What is the difference between 32 bit and 64 bit processing?

4. What is the purpose of thermal compound?

5. What purpose does processor throttling serve?

6. State Moore’s law.

7. Which processor first integrated the math coprocessor into the CPU chip?

8. What three methods or devices are used to cool the CPU?

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