ITPEC IP April 2018 Question 18
ITPEC IP April 2018 — Question 18 of 100
Multitasking is the OS function that lets several application programs make progress during the same period. The operating system rapidly switches CPU time among tasks, allowing a download to continue while the user works in a spreadsheet.
Answer (d)
Why not others:
- virtual reality creates an interactive simulated environment
- dual core is a hardware configuration with two processing cores
- a dual system uses duplicated systems for reliability or workload purposes
Key rule: Multitasking is operating-system scheduling of multiple tasks; multiple CPU cores can improve concurrency but are not required for the concept.
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