Four Bit Parallel Adder cum Subtractor || Lesson 88 || Digital Electronics || Learning Monkey ||

[@swathineeloju9735]

how we find out the 2's complement of the result if A

[@tikam6309]

Write the absolute value of the given number in binary form.
Prefix this number with 0 indicate that it is positive
Take the complement of each bit by changing zeroes to ones and ones to zero.
Add 1 to your result.

[@buntychrist8963]

Best

[@nabilsafowan3541]

Best video on cum subtractor