Computer Science for IGCSE & O level - Data Representation (Section 12 - No. 28)
Which statement describes the basic principle of two's complement representation?
It simplifies subtraction by turning it into addition.
It uses the most significant bit as the magnitude.
It directly converts decimal numbers to binary.
It encodes only positive numbers.
Explication
Two's complement allows subtraction to be performed using addition, simplifying arithmetic in computers.