Consists of instruction in computer ideas, info methods, networking, operating programs, laptop hardware, the Internet, software program purposes, help desk ideas and downside fixing, and ideas of customer support. The US Military asked Bell Laboratories to design a machine to help in testing its M-9 gun director, a kind of analog pc that goals giant guns to their targets. Mathematician George Stibitz recommends utilizing a relay-based mostly calculator for the mission. The end result was the Relay Interpolator, later referred to as the Bell Labs Mannequin II. The Relay Interpolator used 440 relays, and because it was programmable by paper tape, was used for different purposes following the struggle.