QUESTION 1 If left most bit is used as a sign bit in an 8-bit processor then the decimal value of binary number 10000100 is 132 -132 QUESTION 2 We study signed integers and unsigned integers separately in this class because the computer does not understand signs, all it understands is bits. the computer understands all languages and symbols without even converting them to binary. we are against the keyboard even though it has a negative sign that would be a better way of representing negative binary numbers inside computers. we get more numbers to be stored this way