The number of bits in a word is dependent upon the details of the hardware, but is usually 16 or 32. Physical memory is essentially one big list of words. The address of a particular memory location is just it's position in the list. The position of a digit in a number indicates the power of 10 that it is multiplied by. Binary numbers are a natural representation for computers because of the two-state memory elements.
Binary numbers are a natural representation for computers because of the two-state memory elements.
Data Storage Computer memory is all bits. By default, the first one in the list has the value 0. Days of the week.