'(a) Perform binary addition of the following numbers: 10000 1101.10 11 1 100 10 100 . 0 0 0 1 0 (6) Represent the decimal number 52692 in BCD format and calculate how many nibbles are there in this BCD number. (c) Convert the following () (11110.11011)2 to Decimal (ii) (450.96)10 to Octal'