Done in Java. Any help is appreciated!

5: Number Systems (17=1+2+9+5) 1. What is the range of signed and unsigned decimal numbers that can be represented by 8-bit binary number? Show all work for questions 2-4. If you do not show your work, you will not receive any credit even if your final answer is correct. 2. Assuming we use 12-bit register to store and represent the numbers, what is 2's complement representation of -50 3. Convert the following: a) 210 decimal to binary, hexadecimal and octal b) 12A hex to binary, decimal and octal c) 701 octal to binary, decimal and hex 4. Perform the following computations: a) Binary Numbers: A=01010100, B=01101101. Perform A+B, B-A, A*B, A&B, AB