4. The 8-bit registers AR, AC, TR, and DR initially have the following values:

AR = 00010011

AC = 10101010

TR = 00101111

DR = 10011010

Determine the 8-bit values in each register after the execution of the following sequence

of -operations.

(a) AC DR + AC ;Add AC to DR

(b) T R T R DR ; AND DR to T R,

(c) AC AC 1 ; decrement AC

(d) DR DR AC ; XOR AC to DR