'OS' computer abbreviation usually means___________?
Correct answer: D. Operating System
- A. Open Software
- B. Order of Significance
- C. Optical Sensor
- D. Operating System
Explanation
OS usually means Operating System, the software that manages computer hardware and provides services for application programs. The other expansions are not standard computer meanings.
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Instructional approaches determine how teachers present content, involve learners and achieve lesson objectives. Coverage includes lecture, discussion, demonstration, questioning, problem-solving, cooperative learning, project and activity methods, along with teacher-centred and learner-centred approaches. Method selection depends on the subject, learners, available resources and intended learning outcome.
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