Complex sentence: The professor explains microprocessors' sensitivity to external factors, such as electric fields, magnetic fields, and radioactivity, which undermine the proper functionality and tells about a computer built years ago which had suddenly begun to self-program and went out of control.
Split into simpler sentences: The professor explains microprocessors' sensitivity to external factors, such as electric fields, magnetic fields, and radioactivity, which undermine the proper functionality. He tells about a computer built years ago which suddenly begun to self-program and went out of control.