PC Hardware

Lesson Summary: Introduction to Computer

The following points summarize the main elements of this lesson:

  • To be competent, the computer technician of today must master a variety of skills.

  • Understanding how a computer functions and how the owner plans to use it are just as important to a technician as familiarity with parts and workbench tools.

Tutorial Summary

The following points summarize the key concepts in this tutorial:

The Development of the Computer

  • The concepts that form the basis of computer technology have a long history that stretches back 2500 years.

  • Modern computers have followed the growth and technology of the electronics industry.

The Role of a Computer Service Professional

  • The role of the computer technician has paralleled the evolution of the computer.

  • A computer technician must combine troubleshooting and repair skills with on-the-job learning and customer support.


  1. Give an example of an early electronic computer.

  2. What are the three roles that today's computer service professional needs to assume?