Download presentation
Presentation is loading. Please wait.
Published byJasmin Lucas Modified over 9 years ago
1
1-1 Presentation Tips Click the mouse to advance the slides Click the hyperlink to directly advance to the slide associated with the link; click Return to go back to the slide associated with the hyperlink in the ppt All key terms from the end of chapter materials display in blue the first time used in the ppt Text in slides are set to fade in one click EXCEPT the Discussion questions which display on each mouse click
2
McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 1 Information Technology, The Internet, and You
3
1-3 Competencies (Page 1 of 2) Explain the five parts of an information system: people, procedures, software, hardware, and data. Distinguish between system and application software. Discuss the three kinds of system software programs. Distinguish between basic and specialized application software. Identify the four types of computers and the four type of microcomputers. Page 2
4
1-4 Competencies (Page 2 of 2) Describe the different types of computer hardware including the system unit, input, output, storage, and communication devices. Define data and describe document, worksheet, database, and presentation files. Explain computer connectivity, the wireless revolution, and the Internet. Page 2
5
1-5 Introduction Computer competency refers to acquiring computer-related skills Microcomputers are common tools in all areas of life New forms of learning have developed New ways to communicate and reach out to people are available Page 3
6
1-6 Five Parts of an Information System 1.People 2.Procedures 3.Software 4.Hardware 5.Data Page 4
7
1-7 People Most important part of any system Contact is … –Direct –Indirect Computer uses –Business & Entertainment –Education & Medicine Page 6
8
1-8 Software AKA Programs Two major kinds of software –System SoftwareSystem Software –Application SoftwareApplication Software Page 7
9
1-9 System Software A collection of programs-not a single program Enables the application software to interact with the hardware “Background software” that helps the computer manage its own resources Return Page 8
10
1-10 “End-user” software Two major categories –Basic Application or General purpose –Specialized applications Application Software Return Page 9
11
1-11 Types of Computers Supercomputers Mainframe computers Minicomputers Microcomputers Page 10
12
1-12 Four Types of Microcomputers Desktop Notebook or laptop Tablet PC Handheld Page 11
13
1-13 Desktop Computers Are small enough to fit on top of or alongside a desk yet are too big to carry around Return Page 11
14
1-14 Notebook or Laptop Computers Notebook computers, also known as laptop computers, are portable, lightweight, and fit into most briefcases Return Page 11
15
1-15 Tablet PC Is a type of notebook computer that accepts your handwriting. This input is digitized and converted to standard text that can be further processed by programs such as a word processor. Return Page 11
16
1-16 Handheld Are the smallest and are also known as palm computers. These systems typically combine pen input, writing recognition, personal organizational tools, and communications capabilities. Personal digital assistants (PDA’s) Page 11
17
1-17 Microcomputer Hardware Four basic categories of equipment: –System UnitSystem Unit –Input/OutputInput/Output –Secondary StorageSecondary Storage –CommunicationCommunication Page 11
18
1-18 System Unit Two important components- –Microprocessor –Memory Page 12 Return
19
1-19 Input/Output Common input devices are the keyboard and the mouse Common output devices are printers and monitors Page 13 Return
20
1-20 Secondary Storage Page 13 Return Unlike memory, secondary storage holds data and programs even if electrical power is not available The most important types of secondary media are floppy, hard, and optical disks
21
1-21 Communications Page 14 Communication Devices enable microcomputers the ability to communicate with other computer systems across the globe The modem is the most widely used communication device Modems modify telephone communications into a form that can be processed by a computer Modems also modify computer output into a form that can be transmitted across standard telephone lines
22
1-22 Data Raw, unprocessed facts Processing creates information Stored electronically in files –Document filesDocument files –Worksheet filesWorksheet files –Database filesDatabase files –Presentation filesPresentation files Page 14
23
1-23 Document Files Created by word processors to save documents such as memos, term papers, and letters Return Page 14
24
1-24 Worksheet Files Created by electronic spreadsheets to analyze things like budgets and to predict sales Return Page 15
25
1-25 Database Files Typically created by database management programs to contain highly structured and organized data Return Page 15
26
1-26 Presentation Files Created by presentation graphics programs to save presentation materials. For example, a file might contain audience handouts, speaker notes, and electronic slides. Page 15
27
1-27 Connectivity, the Wireless Revolution, and the Internet Connectivity –Sharing of information –Wireless communication is becoming popular Computer networks –Connected communication system of computers –Largest network is the Internet Page 15
28
1-28 Careers In IT For a complete listing of careers, visit www.ce2007.com www.ce2007.com Page 16
29
1-29 A Look to the Future The Internet & Web Powerful Software Powerful Hardware Security & Privacy Organizations Changing Times Page 17
30
1-30 Discussion Questions (Page 1 of 2) Explain the five parts of an information system. What part do people play in this system? What is system software? What kinds of programs are included in system software? Define and compare basic and specialized application software. Describe some different types of basic applications. Describe some types of specialized applications. Page 24
31
1-31 Describe the different types of computers. What is the most common type? What are the types of microcomputers? What is connectivity? How are the wireless revolution and connectivity related? What is a computer network? What is the Internet? What is the Web? Page 24 Discussion Questions (Page 2 of 2)
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.