Question

The entity whose value does not change during program execution

Answer 1

Hi there!
Here s the answer:

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• The entity whose value does not change during program execution are called 'constants'.
• The Opposites are called 'variables', there value changes during program execution.

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Hope it helps

Answer 2

The variable is considered as entity which never get value to remain on changing via the programs execution and also it is not a rule that the variable will change.

Even the value of the variable might between variable and also constant that need not program execution.

But the main different between variable and constant needs chance the value of the variable.