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Saturday, June 20, 2009

3. What’s difference between batch systems, multi-programmed systems and time sharing systems?

batch system- is one in which jobs are bundled together with the instructions necessary to allow them to be processed without intervention.

multitasking- is a method by which multiple tasks, also known as processes, share common processing resources such as a CPU. In the case of a computer with a single CPU, only one task is said to be running at any point in time, meaning that the CPU is actively executing instructions for that task.

Time-sharing- is sharing a computing resource among many users by multitasking.

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