Question

The drawback of building a large memory with DRAM is ______________

(a) The large cost factor

(b) The inefficient memory organisation

(c) The Slow speed of operation

(d) All of the mentioned

The question was asked by my college professor while I was bunking the class.

This intriguing question comes from Hierarchy of Memory topic in portion Memory System of Computer Architecture

Answer 1

Correct answer is (c) The Slow speed of operation

To explain: The DRAM’s were used for large memory modules for a long time until a substitute was found.