What is reentrancy in multiprogramming time sharing systems?

1.	What is reentrancy in multiprogramming time sharing systems?
Answer» For multiprogramming time-sharing SYSTEMS, reentrancy is a very effective memory saving STRATEGY. It has the capability of ALLOWING several users to share a single copy of the program at the same time. Two of its main features are as follows: The programme code is incapable of self-modification. Each USER process's LOCAL data must be saved separately.

Answer»

For multiprogramming time-sharing SYSTEMS, reentrancy is a very effective memory saving STRATEGY. It has the capability of ALLOWING several users to share a single copy of the program at the same time. Two of its main features are as follows:

The programme code is incapable of self-modification.
Each USER process's LOCAL data must be saved separately.

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What is reentrancy in multiprogramming time sharing systems?

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