Consists of instruction in computer ideas, information programs, networking, working techniques, pc hardware, the Web, software program functions, help desk ideas and problem fixing, and rules of customer service. Known as the Model Okay” Adder as a result of he built it on his Kitchen” desk, this straightforward demonstration circuit supplies proof of concept for making use of Boolean logic to the design of computer systems, leading to construction of the relay-based mostly Model I Complex Calculator in 1939. That very same year in Germany, engineer Konrad Zuse built his Z2 computer, also utilizing telephone firm relays.