How many bits would you need to address a $16$G $\backslash$times $32$ memory if The memory is byte$-$addressable? The memory is word$-$addressable? $$How many bits would you need to address a $2$M $\backslash$times $32$ memory if a$)$ The memory is byte$-$addressable? b$)$ The memory is word$-$addressable? $$How many bits are required to address a $4$M $\backslash$times $16$ main memory if a$)$ Main memory is byte$-$addressable? b$)$ Main memory is word$-$addressable?