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In computing, multitasking is the simultaneous execution of multiple tasks, processes, or applications. There are three categories of how people multitask: Engage in two activities simultaneously (e.g. talking on the phone while driving or walking, answering emails during a meeting, etc.) Switching between various contexts requires time to adjust to a task’s requirements. Unconscious internal context switching is when we switch from a work-related task to a distraction task, craving distraction or novelty.