To Study & Verify Half and Full Subtractor

Full subtractor is used to perform subtraction of ___________
The output of a full subtractor is given by (if A, B and Bin are the inputs).
The output of a full subtractor is same as ____________
What does minuend and subtrahend denotes in a subtractor?
Let A and B is the input of a subtractor then the borrow will be ___________