What is the real time scheduling?

What is the real time scheduling?
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Hard real-time and soft real-time are the types of real time scheduling. Real time 


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Just the muse of a question, if you had more than 600 years of life, what would you do with all that time?

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What would be the date for these time periods?

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Examples of time seeming longer or shorter than it objectively is?

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How does time seem to flow for you?

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