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OS Types Q & A #3
Question: What are the differences between multiprocessing and multiprogramming?
Answer: Following are the differences between multiprocessing and multiprogramming.
| Sr. No. | Multiprocessing | Multiprogramming |
|---|---|---|
| 1 | Multiprocessing refers to processing of multiple processes at same time by multiple CPUs. | Multiprogramming keeps several programs in main memory at the same time and execute them concurrently utilizing single CPU. |
| 2 | It utilizes multiple CPUs. | It utilizes single CPU. |
| 3 | It permits parallel processing. | Context switching takes place. |
| 4 | Less time taken to process the jobs. | More Time taken to process the jobs. |
| 5 | It facilitates much efficient utilization of devices of the computer system. | Less efficient than multiprocessing. |
| 6 | Usually more expensive. | Such systems are less expensive. |
os_exams_questions_answers.htm
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