A+ Tutorials MemoryA+ Tutorials - Memory
Before You Begin
Lesson 1: ROM and RAM
Defining Memory
Nonvolatile and Volatile Memory
ROM: Read-Only Memory
RAM: Random Access Memory
RAM Packaging
SIPPs
SIMMs (30-pin)
Memory Configuration
Specifying SIPPs and SIMMs
The 72-Pin SIMM
Voltage
Installing SIMMs
Dual Inline Memory Modules
Cache Memory
Lesson Summary
Lesson 2: Memory Mapping
The Workings of Hexadecimal Code
Memory Allocation
Determining Usable Memory
Lesson Summary
Tutorial Summary
Review
This tutorial looks at very important system component and performance factor: memory.Technicians are often asked to upgrade PCs by adding more memory, and memory conflicts or errors commonly prompt calls for assistance by users. Understanding how memory works, how to choose the right memory for a given system, and how to troubleshoot memory problems is critical to success as a computer technician.