Test Conducting System

My first project as a business has been back in 2002 and I designed and built it during the summer vacation between high school and university. Hardware and software has been combined for the aim of conducting an answer picking style test with examinees, presenting them the questions with the options and acquiring their answers via keyboards having keys: A, B, C, D. After acquisition the system summarized and evaluated the answers.

The central unit of the system was connected via parallel port to a PC, running the software (and displaying the questions via a projector), and it was interfaced to a maximum of 20 four-button keyboards. The hardware primarily consisted of integrated circuits from the 74xx series. The software was implemented in Delphi.

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