[amp_mcq option1=”1’s complement” option2=”2’s complement” option3=”Decimal” option4=”Gray” correct=”option2″]
The correct answer is B. 2’s complement.
2’s complement is a binary numeral system where the value of a negative number is represented by the complement of its absolute value, plus one. For example, the 2’s complement representation of -1 is 11111111, which is the complement of 00000000 plus one.
1’s complement is a binary numeral system where the value of a negative number is represented by the complement of its absolute value. For example, the 1’s complement representation of -1 is 11111110, which is the complement of 00000001.
Decimal is a numeral system that uses the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 to represent numbers.
Gray code is a binary numeral system where each digit is the exclusive OR of the previous two digits. For example, the Gray code representation of 10 is 110, which is the exclusive OR of 10 and 01.
2’s complement is the most common way to represent negative numbers in computers. It is a simple and efficient way to represent negative numbers, and it is compatible with most arithmetic operations.