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1. A 16-bit register in a computer contains 0011100001010111 . What does its contents represent if it contains a) a 4-digit decimal number in the BCD code, b) a 4-digit decimal number in excess- 3 code, c) a 4-digit decimal number in the 6311 code, d) a 4-digit hexadecimal number (express your answer as a decimal number), e) a 16-bit signed binary number (express your answer as a decimal number), f) two characters in an odd parity ASCII code (the parity bit is on the left)? 2. The 9's complement of a decimal digit d is defined to be 9-d. Give the representation of d=7 and the 9 's complement of d if the decimal digits are represented in a) BCD b) Excess-3 c) 6311 code d) ASCII code What property does the Excess-3 code have that BCD doesn't? 3. Convert the following binary numbers to decimal: a) 111101 b) 10101.1011 c) 111.10111 3. Convert the following binary numbers to decimal: a) 111101 b) 10101.1011 c) 111.10111 4. Convert the decimal number (97.7)10 into a number with exactly the same value represented in the following bases. Show the steps of your derivation. a) binary b) octal c) hexadecimal d) base 5 In addition, do the following problems from the textbook