I posted before someone gave wrong answer used whole subscription in a day. as someone always posted some other subject please answer both.

3) How many bits are required to address a 1M x 8 main memory if a. Main memory is byte-addressable? b. Main memory is word-addressable? 4) Assume a 264 byte memory: a. What are the lowest and highest addresses if memory is byte-addressable? What are the lowest and highest addresses if memory is word-addressable, assuming a 16-bit word? What are the lowest and highest addresses if memory is word-addressable, assuming a 32-bit word? a. b