Introduction to Information Technology Past & Future László Kajdocsi Department of Information Technology

Covered topics  History of information technology (IT)  Definition of IT  Present of IT  Future of IT

History of Information Technology 4 main ages divide up the history of information technology:  Premechanical (3000B.C A.D.)  Mechanical ( )  Electromechanical ( )  Electronic ( present)

Premechanical age: 3000B.C A.D.  Petroglyphs (carved in rocks)  Writing and alphabets  Paper and pens  Books and libraries  The first numbering system  The first calculator (Abacus)

Mechanical age: Slide rule Pascaline Difference engine

Electromechanical age:  Telegraph  Morse code  Telephone  Radio  Harvard Mark 1 (weighted 5 tons)

Electronic age – the beginning  vacuum tubes and rotating magnetic drums (ENIAC & Mark 1)  transistors, magnetic tape and magnetic cores (FORTRAN & COBOL)  integrated circuits and semiconductors (BASIC)  CPU, memory, logic and control circuits (Apple II)

Electronic age – the present  ICT  e-Marketing  e-Commerce  e-Learning  e-Health Care  e-Governance  Smart devices  Smart homes  Smart cities  Smart systems  Global positioning  Autonomous vehicles

Information Technology Information technology is a general term that describes any technology that help to produce, manipulate, store and communicate information. IT: One of the Fastest Growing Sector

Major research fields of future IT  E-Commerce  Enterprise Resource Planning  Supply Chain Management  IT Personnel Management: Careers & Competencies  Management of the Outsourcing of IT  Data mining, Data Modeling and Decision Support Systems  E-Government  Recommender systems  Virtual reality & 3D internet  Indoor positioning  Networking

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