Digital data

Digital data represents information using discrete values, commonly binary digits. Digital devices store, process, and transmit it as encoded numbers.

Bit: A bit is a binary digit that takes one of two values, conventionally 0 or 1. Bits are the basic units used to encode digital data.
Data encoding: Data encoding is the representation of information according to a defined code or format. Encodings determine how digital values represent text, images, and other information.
Digital image: A digital image represents visual information as discrete picture elements or other encoded values. Images encode spatial color or brightness values as data.
Analog data: Analog data represents information through continuously varying physical quantities. Its continuous values differ from digital data's discrete representation.
Byte: A byte is a unit of digital information, usually consisting of eight bits. Bytes group bits into commonly addressed units of data.
Digital storage: Digital storage preserves encoded information in a medium for later retrieval. It keeps digital data available beyond the device's immediate processing.
Digital audio: Digital audio represents sound as discrete numerical measurements or encoded symbolic information. Audio data captures sound for editing, storage, and playback.
Digital-to-analog converter: A digital-to-analog converter transforms digital values into a corresponding analog signal. It enables digital data to drive analog outputs such as sound or voltage.
Binary number: A binary number expresses a value using the base-two numeral system. Binary notation gives digital data a numerical representation.
Data transmission: Data transmission moves encoded information between devices or locations through a communication channel. Transmission carries digital data between systems.

Linked from 4 pages