Main Memory Flashcards
What are the 2 types of main memory?
Random Access Memory and Read-Only Memory
How is main memory accessed?
Directly by the CPU using bus system
What is the RAM used to store?
Operating System
Data currently in use
Programs currently in use
Is RAM Volatile or Non-Volatile?
Volatile
What does random access mean?
Data can be accessed in any order
Makes data access very fast
What is ROM used to store?
Factory Settings
Start-up routines
Programs with embedded systems
What is firmware?
Software stored on ROM
What are 2 start up instructions from firmware?
Load the BIOS (Basic Input Output System)
Checks hard ware is installed correctly
Is RAM writeable?
Yes
Is ROM Non-Volatile?
Yes
What is bigger ROM or RAM
RAM