Chapter01 - Chapter 1 Introduction to Computers Chapter 1...

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Chapter 1  Introduction to Computers
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Chapter 1 Objectives Recognize the importance of computer literacy Define the term computer and identify its components Explain why a computer is a powerful tool Recognize the purpose of a network Discuss the uses of the Internet and the World Wide Web Distinguish between installing and running a program Identify the types of software Describe the categories of computers Determine how the elements of an information system interact Identify the types of computer users Discuss various computer applications in society Next
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A World of Computers What is computer literacy ? p. 5 Fig. 1-1 Next Knowledge and understanding of computers and their uses Computers are everywhere
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How is a computer defined? What Is a Computer? p. 6 Produces and stores results Next Electronic device operating under the control of instructions stored in its own memory Processes data into information information Data that is organized, meaningful, and useful Accepts data data Raw facts, figures, and symbols
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What Is a Computer? What is the information processing cycle? p. 6 Fig. 1-2 Next Input Process Output Storage Communication
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The Components of a Computer What is an input device ? p. 7 Fig. 1-3 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Input Devices below Chapter 1 Hardware used to enter data and instructions Next
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The Components of a Computer What is an output device ? p. 8 Fig. 1-3 Hardware that conveys information to a user Next Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Output Devices below Chapter 1
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The Components of a Computer What is the system unit ? p. 8 Fig. 1-3 Next Box-like case containing electronic components used to process data
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The Components of a Computer What are two main components on the motherboard? p. 8 Central Processing Unit (CPU) Central Processing Unit (CPU) Also called a processor Carries out instructions that tell computer what to do Next Memory Memory Temporary holding place for data and instructions
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The Components of a Computer What is storage? p. 8 Storage media Storage media Physical material on which data, instructions, and information are stored Storage device Storage device Records and retrieves items to and from a storage medium Next Holds data, instructions, and information for future use
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What is storage media ? p. 8
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Chapter01 - Chapter 1 Introduction to Computers Chapter 1...

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