QUESTION $5$

Same problem statement for $1,2,3,4,5,6,7,8,9,10$

Suppose that a $32$M X $64$ main memory is built using $512K8$ RAM chips and memory is word addressable,

How many address bits are needed for all of memory $($word$-$addressable$)?$

$8$

$11$

$12$

$16$

$20$

$22$

$25$

$28$

QUESTION $6$

Same problem statement for $1,2,3,4,5,6,7,8,9,10$

Suppose that a $32$M X $64$ main memory is built using $512K$ X $8$ RAM chips and memory is word addressable,

How many address bits are needed for all of memory $($byte$-$addressable$)?$

$8$

$10$

$12$

$15$

$18$

$22$