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Table Of Contents  CertiGuide to A+ (Core Hardware)

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XI  Chapter 0010: Test for Success Answers
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Chapter 0011:  System Memory

“One world at a time.”
-- Henry David Thoreau

 

Chapter Objectives

The objective of this chapter is to provide the reader with an understanding of the following:

1.1 Identify basic terms, concepts, and functions of system modules, including how each module should work during normal operation and during the boot process:

  • Memory

  • Firmware

1.2 Identify basic procedures for adding removing field replaceable modules for both desktop and portable systems:

    • Memory

1.8 Identify hardware methods of upgrading system performance, procedures for replacing the basic subsystem components, unique components and when to use them:

    • Memory

    • Upgrading BIOS

    • When to upgrade BIOS

2.1 Identify common symptoms and problems associated with each module and have to troubleshoot and isolate the problems:

    • Processor/memory symptoms

    • BIOS

4.2 Identify the categories of RAM (random access memory) terminology, their locations, and physical characteristics:

    • Terminology:
      • EDO RAM (extended data output RAM)

      • DRAM (dynamic random access memory)

      • SRAM (static RAM)

      • RIMM (Rambus in-line memory module 184 pins)

      • VRAM (video RAM)

      • SDRAM (synchronous dynamic RAM)

      • WRAM (Windows accelerator card RAM)


    • Locations and physical characteristics.

    • Memory bank:
      • Memory chips (8-bit, 16-bit, and 32-bit)

      • SIMMS (Single in-line memory module)

      • DIMMS (dual in-line memory module)

      • Parity chips vs. non-parity chips

 

Getting Ready - Questions
  1. Which RAM technology uses a 184-pin module and utilizes clock doubling?

  2. The term used for software that is stored in hardware is called?

  3. What is the number of 72-pin SIMM module(s) needed to have 64 MB of RAM in a 486DX2?

  4. Given a 32-bit address, what is the theoretical maximum amount of RAM that could be addressed?

  5. What component is responsible for synchronizing read/write cycles between RAM and other devices?

 

 

 

 

 

Getting Ready - Answers
  1. DDR SDRAM

  2. Firmware

  3. 1 (one) 64MB SIMM

  4. 4 GB

  5. Memory Controller

Quick navigation to subsections and regular topics in this section



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XI  Chapter 0010: Test for Success Answers
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I  Introduction to Chapter 0011
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