1.5
Systems software
2 subtopics
This is about the software that runs the machine rather than the software you use on it. For operating systems you need user interface, memory management and multitasking, peripheral management and drivers, user management, and file management.
Utility software covers encryption, defragmentation and data compression, and what each one is actually for.
A common exam trap is explaining what a feature is when the question asked why it is needed, so practise saying the purpose out loud.
Revise with flashcards
All of Systems software in one deck, for active recall.