Covers a brief history of the computer and defines fundamental computer terms. Introduces the binary and hexadecimal number systems. Explains the different levels of programming languages. Describes microprocessor characteristics and architecture in general terms. Concludes with examples of practical applications.

Lesson 1 – Computer Basics
Lesson 2 – Computer Hardware
Lesson 3 – Computer Software
Lesson 4 – Computers and Microprocessors
Lesson 5 – Microprocessor Applications

Unit covers many of the input / output devices that make up a typical computer system. Explores communication – the successful transmission of information between computers – at length. Discusses both the user / machine interface, as well as the various network configurations. Concludes with two “real-world” examples of how microprocessors are connected to I/O devices.

Lesson 1 – Introduction to I/O Devices
Lesson 2 – Communication Systems
Lesson 3 – User / Machine Interface
Lesson 4 – Networks
Lesson 5 – Specific System Applications

Unit covers the function and basic operation of each major element of a microprocessor. Explains the structure and purpose of various computer buses. Examines the characteristics of different types of main memory in detail. Includes in-depth discussion of low-level computer languages and high-level computer languages.

Lesson 1 – Microprocessor Structure
Lesson 2 – Bus Structures
Lesson 3 – Memory Devices
Lesson 4 – Low-Level Computer Languages
Lesson 5 – High-Level Computer Languages

Unit covers more fully many of the input / output devices introduced in Unit 262. Describes various magnetic and optical memory devices, including tapes, disks (hard and floppy), CD-ROMs. Explains how signals are converted from analog form to digital form, and vice versa. Covers data acquisition systems and common digital transmission standards. Defines the error detection techniques used to ensure the accurate transmission of digital data. Describes various types of digital transmission equipment, such as modems and fibre optics. Concludes with a practical application that combines all of the principles presented in previous lessons.

Lesson 1 – Magnetic and Optical Memory Devices
Lesson 2 – Signal Converters and Processors
Lesson 3 – Data Acquisition Systems
Lesson 4 – Digital Transmission Standards
Lesson 5 – Digital I/O Applications

Unit covers the maintenance of microprocessor-based equipment, including preventive maintenance. Describes daignostic procedures and takes a “hands-on” look at many types of test equipment, including oscilloscopes, logic analyzers, and in-circuit emulators. Emphasizes the importance of thorough documentation in all areas. Discusses general troubleshooting guidelines, and covers troubleshooting aids and accessories.

Lesson 1 – Preventive Maintenance
Lesson 2 – Diagnostics
Lesson 3 – Test Equipment
Lesson 4 – Documentation
Lesson 5 – Troubleshooting Guidelines