Quiz - Subtraction

1 - When the result of a binary subtraction has a lead bit that is a 1, this indicates that:
a) The number is negative
b) The number is positive
c) The leading number will always be ignored
d) The number has gained a bit

2) - The process of finding a positive result using Two's Complement is as follows:
a) Convert to binary, convert to 1'sC, add the numbers, convert to decimal
b) Convert to 1'sC, convert to 2'sC, add the number
c) Convert to binary, convert to 1'sC, convert to 2'sC, add the numbers, reverse the process
d) Convert to binary, convert to 1'sC, convert to 2'sC, add the numbers, convert to decimal

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