Question

What is true regarding tagged architecture?

(a) Every word of machine memory has one or more extra bits

(b) Extra bits are used to do padding

(c) Extra bits are not used to identify rights to that word

(d) It is very compatible to code upgrades

I had been asked this question by my college director while I was bunking the class.

I'm obligated to ask this question of Protection topic in chapter Protection of Operating System

Answer 1

Correct answer is (a) Every word of machine memory has one or more extra bits

Best explanation: None.