What is the clock rate of a computing unit with a clock period of $5$ ns and what is the time required for performing an ADD instruction with CPI of $2$ with this computing unit?

Question $4$Answer

a$.$

$0\mathrm{.}2$ GHz$,1$ ns

b$.$

$2$ GHz$,1$ ns

c$.$

$0\mathrm{.}2$ GHz$,10$ ns

d$.$

$0\mathrm{.}4$ GHz$,100$ ns