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Information technology has era's the first being pre-mechanical, when humans were just figuring out technology. https://ehs.siu.edu/_common/documents/IT%20newsletter/vol-2-no-29.pdf -
This is the age when humans decided to look into technology more and made new machines, but they weren't electrical https://ehs.siu.edu/_common/documents/IT%20newsletter/vol-2-no-29.pdf -
The is when mechanical engineering became electric, making telephones, morse code and radios https://www.sutori.com/en/story/periods-of-i-c-t-evolution--oUoGcuxkkdG54i9eLNTLBGXH -
The first working electromagnetic digital computer created by Konrad Zuse https://www.complete-it.co.uk/the-history-of-information-technology/ -
This is the Era were in right now, the Era of fast computers. trackers and cars https://www.sutori.com/en/story/periods-of-i-c-t-evolution--oUoGcuxkkdG54i9eLNTLBGXH -
The name IT began in 1958 during a Harvard Business Review, when Thomas C and Harold J. Leavitt thought about how “the new technology does not yet have a single established name. We shall call it Information Technology.” https://www.complete-it.co.uk/the-history-of-information-technology/#:~:text=The%20term%20IT%20did%20not,have%20a%20single%20established%20name.