There are four primary eras in the history of information technology (IT): premechanical, mechanical, electromechanical, and electronic. During the premechanical era, which spanned from 3000 BC to 1450 AD, people communicated through language, petroglyphs, and primitive alphabets. The printing press’s development in the fifteenth century marked the start of the mechanical age, which lasted until the industrial revolution. The first computers and the development of telecommunications occurred during the electromechanical period, which lasted from 1840 to 1940. The creation of the ENIAC, the first electronic computer, was one of the major innovations of the electronic age, which lasted from 1940 to the present.
The present definition of “information technology” was initially used in a 1958 Harvard Business Review article by Harold J. Leavitt and Thomas
There are four primary eras in the history of information technology (IT): premechanical, mechanical, electromechanical, and electronic. During the premechanical era, which spanned from 3000 BC to 1450 AD, people communicated through language, petroglyphs, and primitive alphabets. The printing press’s development in the fifteenth century marked the start of the mechanical age, which lasted until the industrial revolution. The first computers and the development of telecommunications occurred during the electromechanical period, which lasted from 1840 to 1940. The creation of the ENIAC, the first electronic computer, was one of the major innovations of the electronic age, which lasted from 1940 to the present.
The present definition of “information technology” was initially used in a 1958 Harvard Business Review article by Harold J. Leavitt and Thomas
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