Assembly language. I am giving the answers to the addition and subtraction I just need to know whether they overflow or carry as instructed

Addition:

9D

1D //all in hex

BD

7D

Subtraction:

-11

6F

1F

-31

Any explanation would be great and I do give thumbs up for correct work. Thank you.

Does carry occur during any of the following (supposedly unsigned number) additions (8-bit adder)? (a) 4616+ 5116 (b) C66+ 5716 (c) E61+ C716 (d)2616+ 5716 Does overflow occur during any of the following (supposedly signed number) subtractions (8-bit adder)? (a) 4616-5716 (b) C616-5716 (c) E616-C716 (d) 2616-5716 Does carry occur during any of the following (supposedly unsigned number subtractions (8-bit adder)? (a) 4616- 5716 (b) C616- 5716 (c) E616- C716 (d)266-57