Question

Which of the following includes a tripped down memory management unit?

(a) memory protection unit

(b) memory real mode

(c) memory management unit

(d) bus interface unit

The question was posed to me by my school principal while I was bunking the class.

The question is from Memory Protection Unit topic in division Memory Systems of Embedded Systems

Answer 1

Correct choice is (a) memory protection unit

Explanation: The memory protection unit allows a tripped memory down memory management unit in which the memories are partitioned and protected without any address translation. This can remove the time consumption in the address translation thereby increases the speed.