Well its a question presented in my ECE200 Computer architecture class. I'm kind of thinking its either because the 2's complement number would be needed for a subtract immediate or because of ...

now we need different operators to add or subtract values; since it's impossible to know the type ... because we don't have types. duh. currently my plan is suffixes for consistency with literals.

Abstract: In the current parallel-processing devices, addition and subtraction are performed by using the 2's complement expression. However, multiplication and division are performed by the ...