Chap 1 - Data representation (no. systems, [text, sound, video, image], [data storage and file compression]), Chap 2.1 - data transmission, Chap 2.2 / 3 - Data transmission (error checking, encryption)...
Ch. 1 Introduction to digital radiography and PACS, Ch. 2 Digital Imaging Characteristics, Ch. 3 Digital radiographic image processing and manipulation...