CHAPTER 1 : Part 1 INTRODUCTION & HISTORY OF COMPUTERS UNIVERSITI TENAGA NASIONAL “Generates Professionals”

Module Objectives At the end of the module, students should be able to: identify the terms and concept related to computer define the terms and concepts of computer literacy & awareness describe the three fundamental characteristics of computers identify the relationship between people, events and the development of computers over time. describe at least four areas of society in which computers are used  

What Is Computer ? Machine that can be programmed to accept input, process it into output, and store it in a secondary storage device. Four primary components of a computer system Input Processing Output Storage

What is Computer Literacy? Awareness of their importance, versatility (quality) and pervasiveness (to be accepted) in our society. Knowledge on what computers are and how it works and some technical jargons. Interaction : able to use a computer for some simple applications Being a computer literate is no longer adequate, you need also to be information literate.

What is Information Literacy? How to gather information How to evaluate this information How to make an informed decision. It also requires critical thinking, the capacity to evaluate the quality of the information you are getting

Computer Characteristics 3 fundamentals characteristics Speed Reliability & Consistency Storage Capability

Advantages of Computers Productivity Workers use computers to do their jobs faster and better Many processes can be more efficiently controlled by computers Decision Making Helps decision makers sort out financial, geographical, and logistical factors Cost Reduction Helps hold down costs of labor, energy and paperwork

Advantages of Computers People get communicate to each other Can save time Multi tasking device Entertainment To do online business to find jobs through online Education Online banking Can get new ideas Storage capability Can generate and expand our knowledge about something that we want to know

Disadvantages of Computers

Where Computers Are Used ? Graphics & Multimedia Retailing & Business

Where Computers Are Used ? Health and Medicine Agriculture Robotics Energy Transportation Paperwork Law Enforcement Money Home Training

Activity Do you need more evidence of how important computers are in our society ? What impact does it have in your life as a student of COIT ? Discuss in your group.