Question

Add in 2s complement binary system; C9 + FA.

Answer 1

\[C9 + FA = [12\times16^{1} + 9\times16^{0}] + [15\times16^{1} + 10\times16^{0}]\]

Answer 2

= [210] base 10 + [400] base 10

[210] base 10 = 1101 0010
[400] base 10 = 1100 1000 0000

[210] base 10 + [400] base 10 =

= 1100 1000 0000
1101 0010

= 1101 0101 0010

= 3410