Chapter 1

Introduction to Information Technology

This textbook is an introduction to information technology (IT) intended for students in IT-related fields. This chapter introduces the different career roles of an IT person, with emphasis on system administration, and the types of skills required of an IT professional. In this chapter, the elements that make up the IT infrastructure—the computer, software, users—are introduced.

The learning objectives of this chapter are to

  • Describe and differentiate between types of IT careers.
  • Describe the set of skills required to succeed in IT.
  • Introduce the types of hardware found in a computer system.
  • Describe and differentiate between the components of a computer system: hardware, software, and users. ...

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