This deep dive covers Deep Dive: Multitasking within Operating Systems for GCSE Computer Science. Revise Operating Systems in 3.4 Computer Systems for GCSE Computer Science with 15 exam-style questions and 10 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 5 of 9 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Deep Dive: Multitasking
Modern computers run multiple programs simultaneously through time-slicing:
- CPU rapidly switches between tasks (milliseconds)
- Each process gets a time slice
- Appears simultaneous to users
- OS scheduler decides priority and order
Multi-core processors can run tasks in true parallel - each core handles different processes!
Practice questions for Operating Systems
Which of the following best describes the role of an operating system?
Explain how an operating system manages memory.