The Health IT Workforce Curriculum was developed for U.S. community colleges to enhance workforce training programmes in health information technology. The curriculum consist of 20 courses of 3 credits each. Each course includes instructor manuals, learning objectives, syllabi, video lectures with accompanying transcripts and slides, exercises, and assessments. The materials were authored by Columbia University, Duke University, Johns Hopkins University, Oregon Health & Science University, and University of Alabama at Birmingham. The project was funded by the U.S. Office of the National Coordinator for Health Information Technology. All of the course materials are available under a Creative Commons Attribution-Non Commercial-ShareAlike License. Course description, learning objectives, author information, and other details may be found in the instructor manual. Component 4 - Introduction to Information and Computer Science Component Overview: For students without an IT background, this Component provides a basic overview of computer architecture; data organization, representation and structure; structure of programming languages; networking and data communication. It also includes basic terminology of computing. Unit Title Computer Hardware Unit Overview: This unit provides a foundation on how a computer functions and how data is represented in memory, input and output devices, and the CPU, including its role in system functionality. Unit Objectives: By the end of this unit the student will be able to: 1. List the major elements of a computer (Lecture a) 2. Describe how data is stored in memory and in secondary storage (Lecture b) 3. Describe how data is represented in binary notation (Lecture b) 4. Describe the function of the central processing unit (CPU) of the computer (Lecture c) 5. Describe how data is input/output from a computer (Lecture c) 6. Describe how the elements of a computer system work together (Lecture c) 7. Explain how specialized architectures and embedded systems are used in healthcare settings (Lecture c)