New PDF release: All-in-one A+ certification exam guide

By Michael Meyers

ISBN-10: 0072126795

ISBN-13: 9780072126792

Mike Meyers has performed it back. the number 1, best-selling examine advisor for CompTIA's A+ Certification checks has been thoroughly revised and up to date for the hot 2001 checks. Written via the industry's top authority on A+ Certification, this must-have reference deals entire insurance of all fabric on either the center and working procedure applied sciences tests. Plus, the bonus CD-ROM comprises 6 perform assessments, hundreds and hundreds of questions, and LearnKey(tm) videos. This complete advisor not just is helping you cross the A+ certification assessments, but additionally teaches you the way to be knowledgeable technician.

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Keyboards and mice 5. John finds an expansion card in a second-hand computer store with no descriptive tag. It has a cylindrical connector that looks suspiciously like a cable TV connector and a d-shaped, two-row, 15-pin female socket. Frida argues that the card is clearly a new video card, because it has a cable TV connector. Troy disagrees, saying that it must be a sound card because the 15-pin port is obviously a joystick port. Who is correct? a. Only Frida is correct. b. Only Troy is correct.

One 64-bit wide DIMM fills the bank of a 64-bit wide Pentium. 8. d is the correct answer. She probably has the DIMM reversed! 9. a is the correct answer. RAM must be able to run at least as fast as the motherboard clock speed. 10. d is the correct answer. That's a huge amount of RAM! He should check the motherboard manual before trying to install. Chapter 5: Expansion Bus In this chapter, you will: • • • • • • Understand the function of an external data bus. See how I/O addressing works. See how IRQs and DMAs work.

You might have to move a jumper or two around to get them to work, for example. Also be aware that some types of SIMMs take precedence over others. On the motherboard in Figure 3-49, for example, if you populate both of the 72-pin banks and the 30-pin bank, the system will ignore one of the 72-pin banks-I have no idea why! Figure 03-50 shows a motherboard that takes both 72-pin SIMMs and 168-pin DIMMs. In this case, you can install only SIMMs or DIMMs, not some of each. I have another virtually identical motherboard that enables them to work together; go figure!

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All-in-one A+ certification exam guide by Michael Meyers

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