Perform binary subtraction using two's complement representation between the decimal numbers 3 and -32 after converting them to binary and obtaining their complements first.   show steps

The octal equivalent for the signed 1's complement representation of the decimal number -25 is

Represent decimal 3984 in the 2421 code. Show that complementing all bits of the coded number produces the 9's complement of 3984 in the 2421 code. Note: The decimal number 9 is represented in 2421 code as 1111