Chapter01 - csc106

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Discovering Computers 2009 Chapter 1 Introduction to Computers
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Chapter 1 Objectives Recognize the importance of computer literacy Define the term, computer Identify the components of a computer Discuss the advantages and disadvantages of using computers Recognize the purpose of a network Discuss the uses of the Internet and World Wide Web Distinguish between system software and application software Describe the categories of computers Identify the elements of an information system Describe the various types of computer users Discuss various computer applications in society Next
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A World of Computers What is computer literacy (digital literacy)? p. 4-5 Fig. 1-1 Next Ø Current knowledge and understanding of computers and their uses Ø Computers are everywhere
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How is a computer defined? What Is a Computer? p. 6 Produces and stores results Next Ø Electronic device operating under the control of instructions stored in its own memory Processes data into information Conveys meaning and is useful to people Accepts data Collection of unprocessed items
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What Is a Computer? What is the information processing cycle? p. 6 Fig. 1-2 Next Ø Input Ø Process Ø Output Ø Storage Ø Communication
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The Components of a Computer What is an input device ? p. 7 Fig. 1-3 Ø Hardware used to enter data and instructions Next Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Input Devices below Chapter 1
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The Components of a Computer What is an output device ? p. 7 - 8 Fig. 1-3 Ø Hardware that conveys information to one or more people 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. 7 - 8 Fig. 1-3 Next Ø Case that contains the electronic components of the computer that are used to process data
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The Components of a Computer What are two main components on the motherboard? p. 8 Processor Also called a Central Processing Unit (CPU) The electronic component that interprets and carries out the basic instructions that operate the computer Next Memory Consists of electronic components that store instructions waiting to be executed and data needed by those instructions
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The Components of a Computer What is storage? p. 8 Storage media Physical material on which data, instructions, and information are stored Storage device Records and retrieves items to and from storage media Next Ø Holds data, instructions, and information for future use
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The Components of a Computer What is a USB flash drive? p. 8
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This note was uploaded on 11/29/2009 for the course CSC CSC106 taught by Professor Cordle during the Spring '09 term at Sullivan.

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Chapter01 - csc106

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