Problems

1. What is 2 in binary? 4? 13? 27?

2. What is 1001 0110 + 0011 1101? 0111 1111 + 0001 1100?

3. What is -4 represented in 8-bit twos complement? -7? -18? -31? -117?

4. What is the hexadecimal representation of all of the answers from the last question?

5. Can -200 be represented in 8-bit twos complement?

6. What is 0101 1001 - 0011 0111? 0011 1100 - 0101 1010?