Question: Suppose the given numbers are represented as 4-bit words in 2's complement form. Perform the given operations and identify, in each case, whether or not an overflow occurs:
(a) 1111
+0001
(b) 1000
+1111
(c) 1111
-0001
(d) 1000
-1111
Can you find the 2's complement of the given numbers?