This is an introductory university-level course in computer systems literacy. The history, architecture, operation of computing systems, and underlying computing theory are covered. This course intends to ensure that students with diverse backgrounds can gain the fundamental information technology skills and understanding to succeed with subsequent in-depth courses in the Cybersecurity Analytics and Operations curriculum. At the same time, the general nature of the introduction may make it useful for other programs that involve education in concepts and skills relating to information and computing systems.