What is the smallest unit of Digital Data Storage ?

The Bit is the smallest unit of digital data. A single Bit can represent a maximum of two values, 0 or 1

Comparison between Bit, Nibble, and Byte

Bit or Binary Digit is the smallest unit of digital data. A single Bit can represent a maximum of two values, 0 or 1. It is the most basic unit of information in computing and digital communications.

Nibble ( also known as half-byte or tetrade) comes next after Bit in size. Nibble is a collection of four Bits. A Nibble has 16 possible values starting from 0000 to 1111.

Byte is the next big unit after Nibble, it aggregates 8 Bits or 2 Nibbles. Byte is the smallest addressable unit of memory in most of the computer architectures.

You can use below tools to converters between these units.

Know about these units : Difference between Bit, Nibble, and Byte.