How many types of memory exists?

Question $1$ options:

a$)$

One

b$)$

Two

c$)$

Three

d$)$

Four

Question $2($Mandatory$)(5$ points$)$

Select the statement about DRAM that is FALSE

Question $2$ options:

a$)$

Designers use DRAM because it is much denser

b$)$

Designers use DRAM because it uses less power

c$)$

Designers use DRAM because it is more durable

d$)$

Designers use DRAM because it generates less heat than SRAM