1.2
Memory and Storage
RAM, ROM, secondary storage types
RAM: Volatile, read/write, holds running programs
ROM: Non-volatile, read-only, holds boot instructions
Virtual memory uses hard drive as RAM extension
Optical storage: CD, DVD, Blu-ray - uses laser
Magnetic storage: HDD - uses spinning platters
Solid state: SSD, Flash - no moving parts, faster
Exam Tips
- •Always define key terms before explaining concepts
- •Use specific examples where possible to demonstrate understanding
- •Check mark allocation - one point per mark is a good guide