Page 6 - DLIS108_INFORMATION_AND_COMMUNICATION_TECHNOLOGY_APPLICATIONS

Jovita Kaur, Lovely Professional University Unit 1: Introduction to Computers

Unit 1: Introduction to Computers Notes

CONTENTS
Objectives

Introduction

1.1 Definition of Computer
1.2 Hardware

1.3 Summary
1.4 Keywords

1.5 Review Questions

1.6 Further Readings

Objectives

After studying this unit, you will be able to:
• Understand the concepts of computer
• Know about the computer hardware

Introduction

Computer Science is the study of computers that includes their evolution, architecture, operation
and applications. It combines both theoretical and practical aspects of engineering, electronics and
information technology. Information Technology (IT) is the most fascinating technology used by
people to handle information. Information technology refers to modern technology based on
electronics and computing. Now, computers have become essential tools of Information Technology.
Information Technology incorporates the technologies of electronics, computing, networking and
telecommunications.
Computers are the essential ingredients for the success of today’s man. Computers are being used
in almost every field now and everyday new areas of activities are being discovered. There is hardly
any area in our society, where computers are not being used. For instance, computers are used in
homes, offices, schools, colleges, libraries, universities, nursing homes, hospitals, export houses,
shops and business establishments, industries, banks, railway stations, airports, research centers
and many other organisations. As, computers are performing most of the routine activities in today’s
society, it has become essential for everybody to learn computer science. The computer science and
information technology have witnessed a tremendous interest among people recently with the
introduction of Internet, E-commerce, Mobile commerce, Artificial Intelligence and Virtual Reality.

LOVELY PROFESSIONAL UNIVERSITY 1