Exercise 6.3 consider memory storage of a 32-bit word stored at memory word 42 in a byte-addressable memory. (a) what is the byte address of memory word 42? (b) what are the byte addresses that memory word 42 spans? (c) draw the number 0xff223344 stored at word 42 in both big-endian and little-endian machines. clearly label the byte address corresponding to each data byte value.