1001 +1 +2 +4 +5 +6 +7 Short Answers 1. Working with Negative numbers. Express the negative number: -19, in each of the following binary representations of negative numbers (using 8 bits). Explain how you have done the conversions. (a) Signed magnitude (sometimes called 'sign and modulus'). (b) Two's complement 2. Sign and Magnitude How is it used? 3. What are the disadvantages of sign and magnitude? 4. As it pertains to representing integers use a total of 7 bits to represent each number. Please demonstrate how to represent the integer values of 23 and -23 in signed magnitude and using 2's complement integers