Representing a Word

(Image-1)

A word

Is a group of 16 consecutive bits

The bits

Are counted from right to left starting at 0 (Image-1):

Considered as a group of 16 bits (Image-1)

The most right bit of a word, bit 0, is called the least significant bit or Low Order bit or LO bit or LOBIT
The most left bit, bit 15, is called [...]

Representing a Byte

(Image-1) Byte
 

A byte

Is a group of eight consecutive bits (Image-1)
The bits are counted from right to left starting at 0
Is considered as being made of two nibbles (Image-2)

 The most right bit

Is bit 0
It is called the least significant bit
It is also referred to as the Low Order bit, the LO bit, or LOBIT

The most left [...]