REA’s Essentials

provide quick and easy access to critical information in a variety of different fields, ranging from the most basic to the most advanced.

As its name implies, these concise, comprehensive study guides summarize the essentials of the field covered. Essentials are helpful when preparing for exams, doing homework and will remain a lasting reference source for students, teachers, and professionals.

Computer Science II includes organization of a computer, memory and input/output, coding, data structures, and program development. Also included is an overview of the most commonly used computer languages.