1. (10 points) Convert decimal number 255 to hexadecimal representation and show your approach.

2. (10 points) Convert floating-point binary sequence 1111000.1010 to hexadecimal floating-point. Show your approach.

3. (10 points) Convert floating-point binary sequence 111000.101 to octal floating-point. Show your approach.

4. (10 points) Create the timing diagram for a three-input AND gate.

5. (10 points) Create the timing diagram for a three-input OR gate.

6. (10 points) Draw the block diagram for a 4-1 MUX; create the truth table for that.