ITPEC IP April 2020 Question 19
ITPEC IP April 2020 — Question 19 of 100
Multitasking lets one operating system run multiple application programs apparently concurrently. The scheduler rapidly allocates CPU time among tasks, allowing a download to progress while the user works in a spreadsheet.
Answer (d)
Why not others:
- virtual reality creates simulated environments
- dual core is a hardware configuration, not the operating-system function being asked for
- a dual system uses redundant or paired systems and is unrelated to time-sharing applications
Key rule: Multitasking is OS-managed concurrent progress of multiple tasks through scheduling and context switching.
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