Chapter 4: The CPU
Chapter 6: Memory
After studying this chapter you will be able to:
• Identify major issues concerning memory upgrades and replacement
• Describe how to properly upgrade RAM
• Identify and classify the various types of memory available
• Identify memory map areas and functions
• Identify typical memory problems
• Upgrade system memory
Part 1: Define the following terms
Single in-line package (SIP)
Dual in-line package (DIP)
Single in-line memory module (SIMM)
Dual in-line memory module (DIMM)
Read only memory (ROM)
Random access memory (RAM)
Programmable read only memory (PROM)
Erasable programmable read only memory (EPROM)
Flash ROM
Dynamic RAM
Static RAM
Synchronous dynamic RAM (SDRAM)
Row address selection (RAS)
Column address selection (CAS)
Solid state disk (SSD)
Serial presence detect (SPD)
Nanosecond (ns)
Parity
Odd parity checking
Even parity checking
Fake parity
Error correction code (ECC)
Buffer
Registered memory
Flash memory
Hot swap
Heap
Convention memory
Upper memory (aka reserved memory)
High memory area (HMA)
Expanded memory standard (EMS)
Extended memory system (EMS)
Safe mode
Virtual memory
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Part 2: Answer the following questions
1. Compare and ink pen and a pencil with an eraser to RAM and ROM memory.
2. What is the purpose of memory SPD?
3. How much memory can DOS access?
4. What is the difference between expanded and extended memory?
5. What is another name for upper memory?
6. Application programs run from _______ memory.
7. What is the maximum amount of memory accessible by a 32-bit operating system?
8. What is virtual memory?
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