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The terms "data" and "information" are not synonymous.Anything stored is data, but it only becomes information when it is organized and presented meaningfully.
Colossus, developed during the Second World War to decrypt German messages was the first electronic digital computer.
We shall call it information technology (IT)." Their definition consists of three categories: techniques for processing, the application of statistical and mathematical methods to decision-making, and the simulation of higher-order thinking through computer programs.
Based on the storage and processing technologies employed, it is possible to distinguish four distinct phases of IT development: pre-mechanical (3000 BC – 1450 AD), mechanical (1450–1840), electromechanical (1840–1940) and electronic (1940–present).
Until 2002 most information was stored on analog devices, but that year digital storage capacity exceeded analog for the first time.
As of 2007 almost 94% of the data stored worldwide was held digitally: 52% on hard disks, 28% on optical devices and 11% on digital magnetic tape.