Digitization

Digitization is the conversion of information or material into digital form, typically by encoding it as discrete values that computers can store and process.

Analog-to-digital converter: An electronic circuit that converts a continuous analog signal into a sequence of digital values. It samples and quantizes changing signals such as sound or voltage.
Binary number: A number expressed using the base-two numeral system, whose digits are zero and one. Binary values are the basic symbols used to encode digital information.
Document scanning: The capture of a paper document as a digital image using an optical scanner or camera. Scanning creates digital copies of paper records and books.
Digitalization: The use of digital technologies to change or improve processes, services, or organizational work. Digitization converts information; digitalization applies digital tools to activities.
Sampling (signal processing): The process of measuring a continuous signal at discrete intervals. Sampling turns a varying signal into time-indexed measurements.
Bit: A unit of information with two possible values, commonly represented as zero or one. Bits are the smallest units in ordinary digital encodings.
Digital preservation: The managed processes that keep digital information accessible and usable over time. Digitized collections require continuing care as formats and systems change.
Digital transformation: A broad organizational change in strategy, operations, or services enabled by digital technologies. It describes institutional change beyond converting materials into digital form.
Quantization (signal processing): The mapping of measured signal values to a finite set of discrete levels. Quantization limits the precision of digitized measurements.
Digital data: Information represented in discrete, machine-processable form. Digitization produces digital data from previously non-digital sources.

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