Add the answer for Concurrency vs Parallels #17
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Hi @hieubz , thank you for your PR. I left some comments below.
| @@ -84,7 +84,18 @@ Child process cannot change variables of its parent. | |||
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| ## Concurrency vs Parallels? (in case single CPU core and multiple CPU cores) | |||
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| To be defined. | |||
| Concurrency: executing multiple tasks at the same time but not necessarily simultaneously. | |||
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Based on Cambridge Dictionary, simultaneously = happening or being done at exactly the same time
So this sentence:
executing multiple tasks at the same time but not necessarily simultaneously.
is kinda confusing.
| To be defined. | ||
| Concurrency: executing multiple tasks at the same time but not necessarily simultaneously. | ||
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| Parallelism: means that an application splits its tasks up into smaller subtasks which can be processed in parallel, for instance on multiple CPUs at the exact same time. |
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In my opinion, application, subtasks and processed are not the right choices of words. We are talking about OS, where words like applicaion, process, task have their own specific meaning.
And in parallel causes confusion also. It's like one is asked to distinguish between red and blue, and his answer is "red is red, while blue is blue".
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