1. Express the following decimal numbers using 8-bit binary signed two’s
complement:
120 −36 11.4−0.325 0.421875
Can all the numbers be represented using only 8 bits? Why or why
not?
2. Convert the following decimal numbers to hexadecimal. The fractional
numbers may not be terminating:
487 321.9 4522081 0.8531
3. Give the value of 011010000101 interpreted as unsigned binary, signed
two’s complement and binary coded decimal (BCD).
4. Obtain the two’s complement of the binary numbers you obtained in
question 1.
5. What is the decimal value of the greatest number representable using
7 bit unsigned binary? Using 7 bit signed two’s complement?
6. What is the decimal value of the least number representable using 7
bit unsigned binary? Using 7 bit signed two’s complement?
7. How is the number (−1)10 represented using 4 bit two’s complement?
Using 8 bit two’s complement? Using 64 bit two’s complement?