A+ certification bible by Edward Tetz; et al

By Edward Tetz; et al

Equipped round the examination ambitions for simple reference in the course of particular aim concentration, A+ Certification Bible comprises huge self-evaluation possibilities that can assist you make certain what components desire extra learn. finished assurance permits you to maximize the knowledge, and tailor your research in your personal wishes at any point of experience.Covers: examination 220-201 and 220-202

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Answers to Chapter Questions . Chapter Pre-Test . . . . Assessment Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. The BIOS of your computer contains settings for the types of hard drives that are installed and for the current time. True or False? 5. All devices receive their power from the system board. True or False? 6. What is the first step in the boot process? 7. Modems perform what type of signal conversion? 8. Name at least two technologies that are generally associated with portable computers. ✦ Answers to these questions can be found at the end of the chapter. F 6/7/01 8:12 AM Page 5 Chapter 1 ✦ Basic Terms, Concepts, and Functions of System Modules T his chapter defines basic terms and provides a brief overview of many topics that will be covered in this book.

Star . . . . . . . Ring . . . . . . Hybrid . . . . . . Network Cabling . . . . Twisted pair . . . . Coaxial . . . . . . Fiber optic . . . . . Network Access . . . . . CSMA/CD . . . . . CSMA/CA . . . . . Token passing . . . . Network Architectures . . . Ethernet . . . . . Token Ring . . . . Hardware protocols . . Network Performance . . . Network devices . . . Simplex . . . . . Half-duplex . . . . Full-duplex . . . . Ways To Network A Computer Installing network cards .

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