Similar to the memory example given in the class, answer each of the following questions. (a) Clearly draw a memory chip of size 256 8 and the associated decoder inside it, with all address bus and data bus (with bus width) clearly depicted. (b) how many such memory chips from (a) are needed to compose a memory of 1k 32? Draw a block diagram of these chips with all vital bus and wires and additional necessary logic specied.