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Question

What is basic need in protecting memory in multi-user environment ?

a.

We need two registers one ‘start’ and other ‘end’

b.

We need a variable register

c.

A fence register has to be used known as base register.

d.

None of the mentioned

Answer: (c).A fence register has to be used known as base register.

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Q. What is basic need in protecting memory in multi-user environment ?