Is it true (computer architecture questions)?

Question

binary code

1) Does the normal form of binary numbers always start from zero?
2) Is the software limited by the capabilities of the ALU it runs on?
3) Do integers and their arithmetic in a computer always provide unlimited precision?

Answer 1

1. Yes.
2. Yes, of course.
3. Absolutely.
And try to continue to do the tasks yourself, otherwise the vintirnets will answer you.