3. Convert the following signed hexadecimal numbers to decimal .

a) EE2

b) 7F2

c) 2FE

4. Perform the subtractions with the following binary numbers using 2s complement

Check the answer by straight binary subtractions. a) 10011 10001,

b) 10110 11000,

c) 100111011 10001.

5. What is the decimal equivalent of the largest binary integer that can be obtained with

a) 11 bits unsigned signed

b) 25 bits? unsigned signed