Using the rules for binary subtraction:

0 - 0 = 0

1 - 0 = 1

1 - 1 = 0

10 - 1 = 1 case4

The fourth case could be stated that 0 - 1 = 1 with a borrow of 1 from the next most significant bit.

Subtract 0000 0000 0000 0000 0000 0000 0010 10112

from 0000 0000 0000 0000 0000 0000 0011 01002.

What is the result for this binary subtraction?

0000 0000 0000 0000 0000 0000 0000 10002

0000 0000 0000 0000 0000 0000 0001 10012

0000 0000 0000 0000 0000 0000 0000 10012

0000 0000 0000 0000 0000 0000 0001 11112