Signed Integers

Question 1

How are positive integers represented using two’s complement

Answer 1

The most significant bit is a 0

Question 2

How are negative integers represented using two’s complement

Answer 2

The most significant bit is a 1, the other ones are then added to the initial negative number to find the denary value

Question 3

How do you go from positive to negative (2C)

Answer 3

Flip the bits and add 1

Question 4

Range of Values of 2s Complement

Answer 4

-2^n-1 to 2^n-1 -1