History of Educational Technology By yagmurozeken 1514 The Printing Press was used. 1843 The Fax Machine was invented. 1888 Ballpoint pen was used. 1890 The Chalkboard was used in schools. 1925 The Film Projector was used in schools. 1930 The Overhead Projector was used. 1940 The Computer was invented. 1961 The Internet was appeared. 1970 The Hand-held Calculator was used. 1980 CD/DVD was used. 1991 The Smart Board was used. 1999 The Interactive Whiteboard was used.