$1.$ What is the number of cycles required to execute $100$ instructions between a non$-$pipelined processor and a pipelined processor?

$2.$ If registers A$,$ B$,$ and C contain the values $12,65,$ and $87$ respectively, and they are pushed to the stack in the order A$,$ then B$,$ then C$,$ what values do A$,$ B$,$ and C have if they then are pulled from the stack in the order C$,$ then A$,$ then B$?$

$3.$

Convert the following assembly language to machine code.

LOADA ${1000}_{16}$

LOADB ${1001}_{16}$

CMPAB

JGT AGREATER

EXCAB

AGREATER: STORA ${1002}_{16}$