Chapter 1 - Introduction to Computers
I. CHAPTER OBJECTIVES
1. Recognize the importance of computer literacy
2. Define the term computer and identify the components of a computer
3. Explain why a computer is a powerful tool
4. Recognize the purpose of a network
5. Discuss the uses of the Internet and the World Wide Web
6. Recognize the difference between installing and running a program
7. Identify the various types of software
8. Describe the categories of computers
9. Determine how the elements of an information system interact
10. Identify the types of computer users
11. Discuss the various computer applications in society
II. A World of Computes
1. What does computer literacy mean?
1) Computer literacy entails having knowledge and understanding of computers and their uses.
2) Computer literacy means you can also use a computer. This is implied in the definition above!
2. Objective 1 â€“ Recognize the importance of computer literacy
It is important for everyone to be computer literate because:
1) Computers are everywhere: at home, at work, and at school.
2) Many daily activities either involve the use of or depend on information from a computer.
3) Computers are a primary means of communication. They allow users to send and access information around the world 24 hours a day, seven days a week. Computers allow users to communicate with other users or computers.
4) Computers allow users to manage schedules, balance a checkbook, pay bills, track personal income and expenses, transfer funds, and buy or sell stocks.
5) Computers allow us to create correspondence, memos, and letters; buy groceries, make a long distance call, or use an ATM.
5) Computers can be used for educational purposes and entertainment.
6) Many believe that computer literacy is vital to success!
III. WHAT IS A COMPUTER AND ITS COMPONENTS?
1. Objective 2a - Define the term computer and identify its components.
1) A computer is an electronic device, operating under the control of instructions stored in its own memory, that can accept data (input), manipulate (process) the data according to specified rules, produce results (output), and store the results for future use (storage).
2) A computer processes data into information.
a) What is data? Data is a collection of unprocessed items, which can include
text, numbers, images, audio, and video.
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