
5: Technical convergence
Objectives
After reading this chapter, you should be able to:
• outline the characteristics of analogue and digital systems, and the
differences between them
• describe how information in analogue form can be converted to
digital form and vice versa
• explain the principles underlying the storage, processing, and re-
production of audio and video materials
• describe the main types of storage media, including magnetic tape,
compact disc, and video disc
• explain the relevance of this technology to other aspects of IT, and
describe the possibilities that arise from linking audio and video
equipment to the computer, includin ...