1.5
Systems Software
Operating systems and utilities
OS manages hardware and provides user interface
Memory management: Allocates RAM to programs
Multitasking: Runs multiple programs by time-slicing
User management: Controls access and permissions
Utility software: Antivirus, defragmentation, backup
Defragmentation reorganises files for faster access
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