Question

The main memory of a PC is made of __________

(a) Cache

(b) Dynamic RAM

(c) Static RAM

(d) Both cache and dynamic RAM

This question was posed to me during a job interview.

This intriguing question originated from Random Access Memory topic in portion Memory Devices of Digital Circuits

Answer 1

The correct option is (d) Both cache and dynamic RAM

For explanation I would say: The main memory of a PC is made of cache and DRAM. DRAM offers reduced power consumption and large storage capacity in a single memory chip.