Most-significant bit V/S Least-significant bit
Most-significant bit. In a binary number, the MSB is the most weighted bit in the number. Typically, binary numbers are written with the MSB in the left-most position; the LSB is the furthest-right bit.
Sometimes abbreviated as LSB, the least significant bit is the lowest bit in a series of numbers in binary. It is either the leftmost or rightmost bit in a binary number, depending on the computer's architecture