How is subtraction performed using two's complement?

Which of the following operations can be easily performed in two's complement?

Which bit is flipped when finding two's complement of a binary number?

What is the binary representation of -7 in two's complement?

In sign and magnitude representation, the leftmost bit represents the sign. What value represents a positive number?

What is the advantage of sign and magnitude representation?

How is the sign of a number determined in two's complement?

Why is two's complement used instead of sign-magnitude representation?

What is the purpose of two's complement?

Does sign and magnitude representation preserve the order of numbers?

What is the range of values that can be represented using eight bits in two's complement?

What happens if both the leftmost bit and the remaining bits are zero in sign and magnitude representation?

What value represents a negative number in sign and magnitude representation?

What is the largest negative number that can be represented using 8 bits?

What is the disadvantage of sign and magnitude representation?