$.$ Suppose that Smartphone A has $256$ MB RAM and $32$GB ROM, and the resolution of its camera is $8$ MP; Smartphone B has $288$ MB RAM and $64$ GB ROM, and the resolution of its camera is $4$ MP; and Smartphone C has $128$ MB RAM and $32$ GB ROM, and the resolution of its camera is $5$ MP$.$ Determine the truth value of each of these propositions