Cryptography

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

Posted On February 23, 2018 at 2:45 pm by / Comments Off on 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 learn advisor for CompTIA's A+ Certification tests has been thoroughly revised and up-to-date for the recent 2001 tests. Written by means of the industry's major authority on A+ Certification, this must-have reference deals entire assurance of all fabric on either the center and working approach applied sciences assessments. Plus, the bonus CD-ROM comprises 6 perform checks, enormous quantities of questions, and LearnKey(tm) movies. This complete consultant not just is helping you go the A+ certification assessments, but additionally teaches you ways to be a professional technician.

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Each 72-pin SIMM can only provide 32-bits of data at a time, so the motherboard requires two to make a bank. 2. c is correct. ECC DRAM enables error checking and correcting. 3. a is the best answer. Steve failed to seat the RAM properly. 4. d is the correct answer. Of the choices provided, SDRAM is the fastest. 5. c is the correct answer. SO DIMMs come in two common sizes, 72-pin and 144-pin. 6. c is the correct answer. SDRAM comes on 168-pin DIMMs. 64 7. a is the correct answer. One 64-bit wide DIMM fills the bank of a 64-bit wide Pentium.

If the switch does not have a word, look for a small dot. This dot points to the closed or on position, and should help you identify the state of the switch. ) Figure 75: Switch state identifier Documentation Virtually every part of the PC comes with a small booklet that describes critical installation information about that particular device. Without this booklet, it is often difficult or impossible to install a modem, soundcard, motherboard, or other component. This is particularly important with motherboards.

Figure 03-30 shows some examples of different chip layouts for a 30-pin SIMM. Figure 30: Different chip layout on SIMMs Keeping Track of Your SIMMs One unfortunate aspect of 30-pin SIMMs (you will see this is true for all DRAM) was that you couldn't tell how deep a SIMM chip was simply by looking at it. Figure 03-31 shows a 4 x 3 SIMM and a 1 x 3 SIMM. Notice that they look almost identical. The best way to know what depth SIMM you had was to label it when you bought it. Every SIMM I owned had a small label on it that told me its size-that way I never had to guess (Figure 03-32).

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


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