Binary Number Sign Bit
Overflow Magnitude
Ones Complement Sign And Magnitude

 

The leftmost bit in a binary number that represents the sign of the number. A number represented using only two digits, 0 and 1.
The absolute value of a number. The situation when the result of an arithmetic operation is too large to be represented in the available number of bits.
A method of representing signed numbers using a sign bit and the magnitude of the number. A method of representing signed integers in binary, in which every bit is inverted.