1.What's the shortcut mentioned in the video to determine overflows?

Group of answer choices

Change it to decimal and calculate that way

Different sign numbers result in an opposite sign number

See if Cn and Cn-1 are different

Check the number if it's out of range

2.Why do we use 2's complement system over other systems?

Group of answer choices

It's easy to calculate with only one 0

We like two better than one

It's easier to tell the numbers apart.

The numbers are always in the power of 2