1.2.1 Types of Memory Flashcards
1
Q
RAM features
A
More expensive per unit capacity than secondary storage media.
Volatile meaning that it will lose its contents when power is lost.
Faster to access than secondary storage such as HDDs
Random Access means that any part of the memory can be accessed as quickly as any other part of the memory.
2
Q
ROM features
A
Non-volatile meaning it keeps its contents when power is lost.
Read-Only. ROM is often made from flash memory so its contents cannot be changed easily. Stores small programs that boots or starts up the computer like BIOS
Fast but expensive so it tends to be small
3
Q
BIOS
A
Basic Input Output System
Load an operating system.
Check the system for errors.
