1. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill Chapter 01: Information Technology, the Internet, and You

2. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-2 McGraw-Hill Five Parts of an Information System 1.People 2.Procedures 3.Software 4.Hardware 5.Data

3. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-3 McGraw-Hill People Most important part of any systemMost important part of any system Contact is …Contact is … –Direct –Indirect Computer usesComputer uses –Business & Entertainment –Education & Medicine

4. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-4 McGraw-Hill Software Software is another name for programsSoftware is another name for programs Two major kinds of softwareTwo major kinds of software –System Software System SoftwareSystem Software –Application Software Application SoftwareApplication Software

5. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-5 McGraw-Hill System Software A collection of programs – not a single programA collection of programs – not a single program –Includes Operating System software, Utilities, and Device Drivers Enables the application software to interact with the hardware, and helps the computer manage its resourcesEnables the application software to interact with the hardware, and helps the computer manage its resources Two best-known operating systems for microcomputers are Windows 7 and Mac OS XTwo best-known operating systems for microcomputers are Windows 7 and Mac OS X Return

6. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-6 McGraw-Hill Application Software End-user softwareEnd-user software Two major categoriesTwo major categories –Basic applications –Specialized applications Return

7. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-7 McGraw-Hill Hardware - Types of Computers SupercomputersSupercomputers Mainframe computersMainframe computers Minicomputers (or mid-range computers)Minicomputers (or mid-range computers) MicrocomputersMicrocomputersMicrocomputers

8. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-8 McGraw-Hill Microcomputer Types DesktopDesktopDesktop Media center system unitsMedia center system unitsMedia center system unitsMedia center system units Notebook or laptopNotebook or laptopNotebook or laptopNotebook or laptop NetbooksNetbooksNetbooks Tablet PCTablet PCTablet PCTablet PC HandheldHandheldHandheld

9. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-9 McGraw-Hill Desktop Computers Desktop computers are small enough to fit on top of or alongside a desk, yet are too big to carry aroundDesktop computers are small enough to fit on top of or alongside a desk, yet are too big to carry around Return

10. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-10 McGraw-Hill Media Center System Units Media center system units blur the line between desktop computers and dedicated entertainment devicesMedia center system units blur the line between desktop computers and dedicated entertainment devices Return

11. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-11 McGraw-Hill Notebook or Laptop Computers Return Notebook computers, also known as laptop computers, are portable, lightweight, and fit into most briefcasesNotebook computers, also known as laptop computers, are portable, lightweight, and fit into most briefcases

12. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-12 McGraw-Hill Netbooks Similar to notebook computers, but …Similar to notebook computers, but … –Smaller –Lighter –Less expensive Return

13. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-13 McGraw-Hill Tablet PC In addition to a keyboard, a tablet PC allows you to enter data, write notes, and select commands using a pen stylusIn addition to a keyboard, a tablet PC allows you to enter data, write notes, and select commands using a pen stylus Handwritten data is digitized and converted to standard text that can be further processed by a word processorHandwritten data is digitized and converted to standard text that can be further processed by a word processor Return

14. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-14 McGraw-Hill Handheld Handheld or palm computers, such as Personal digital assistants (PDAs) and smartphones, are amongst the smallest computing devicesHandheld or palm computers, such as Personal digital assistants (PDAs) and smartphones, are amongst the smallest computing devices These systems typically combine pen input, writing recognition, personal organizational tools, and communications capabilitiesThese systems typically combine pen input, writing recognition, personal organizational tools, and communications capabilities Smartphones are cell phones with wireless connections to the InternetSmartphones are cell phones with wireless connections to the Internet Return

15. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-15 McGraw-Hill Microcomputer Hardware Four basic categories of equipment:Four basic categories of equipment: –System Unit System UnitSystem Unit –Input/Output Input/Output –Secondary Storage Secondary StorageSecondary Storage –Communications Communications

16. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-16 McGraw-Hill Mini Computers A mini computer is between the range of a mainframe and a microcomputer. Uses: Industries, Factories 10 SQ Feet area 10 Terminal connected to CPU Eg: Prime 997

17. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-17 McGraw-Hill MainFrame Computers Largest computers on the basis of size approximately 1000 sq. feet area and the most expensive system 100 Terminals+CPU Govenments Eg:IBM1401

18. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-18 McGraw-Hill Super Computers These computers are the fastest, most expensive Used by countries Complex mathematical calculations GPS 1 floor Eg: Param

19. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-19 McGraw-Hill System Unit Two important componentsTwo important components –Microprocessor –Memory Return

20. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-20 McGraw-Hill Input/Output Devices Common input devices are the keyboard and the mouseCommon input devices are the keyboard and the mouse Common output devices are printers and monitorsCommon output devices are printers and monitors Return

21. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-21 McGraw-Hill Secondary Storage Unlike memory, secondary storage holds data and programs even if electrical power is not availableUnlike memory, secondary storage holds data and programs even if electrical power is not available The most important types of secondary media are hard disks, solid-state storage, and optical disksThe most important types of secondary media are hard disks, solid-state storage, and optical disks Return

22. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-22 McGraw-Hill Communications Communication devices, such as modems, provide microcomputers with the ability to communicate with other computer systems across the globeCommunication devices, such as modems, provide microcomputers with the ability to communicate with other computer systems across the globe Modems modify telephone communications into a form that can be processed by a computerModems 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 linesModems also modify computer output into a form that can be transmitted across standard telephone lines Return

23. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-23 McGraw-Hill Data Raw, unprocessed factsRaw, unprocessed facts Processed data becomes informationProcessed data becomes information Digital data is stored electronically in filesDigital data is stored electronically in files –Document files Document filesDocument files –Worksheet files Worksheet filesWorksheet files –Database files Database filesDatabase files –Presentation files Presentation filesPresentation files

24. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-24 McGraw-Hill Document Files Created by word processors to save documents such as memos, term papers, and lettersCreated by word processors to save documents such as memos, term papers, and letters Return

25. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-25 McGraw-Hill Worksheet Files Created by electronic spreadsheets to analyze things like budgets and to predict salesCreated by electronic spreadsheets to analyze things like budgets and to predict sales Return

26. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-26 McGraw-Hill Database Files Typically created by database management programs to contain highly structured and organized dataTypically created by database management programs to contain highly structured and organized data Return

27. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-27 McGraw-Hill Presentation Files Created by presentation graphics programs to save presentation materials. For example, a file might contain audience handouts, speaker notes, and electronic slides.Created by presentation graphics programs to save presentation materials. For example, a file might contain audience handouts, speaker notes, and electronic slides. Return

28. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-28 McGraw-Hill Connectivity, the Wireless Revolution, the Internet, and Cloud Computing ConnectivityConnectivity –Sharing of information –Wireless communication has widespread use Computer networksComputer networks –Connected communication system of computers –Largest network is the Internet Cloud ComputingCloud Computing –Uses the Internet and the Web to shift many computer activities from a user’s computer to computers on the Internet

29. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-29 McGraw-Hill Careers in IT For a complete listing of careers, visit http://www.computing2012.com/ keyword: careersFor a complete listing of careers, visit http://www.computing2012.com/ keyword: careers http://www.computing2012.com/

30. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-30 McGraw-Hill A Look to the Future The Internet and the WebThe Internet and the Web Powerful SoftwarePowerful Software Powerful HardwarePowerful Hardware Security and PrivacySecurity and Privacy OrganizationsOrganizations Changing TimesChanging Times

31. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-31 McGraw-Hill Open-Ended Questions (Page 1 of 2) Explain the five parts of an information system. What part do people play in this system?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?What is system software? What kinds of programs are included in system software? Define and compare basic and specialized application software.Define and compare basic and specialized application software. –Describe some different types of basic applications. –Describe some types of specialized applications.

32. Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. Computing Essentials 2012: Making IT Work for You 1-32 McGraw-Hill Open-Ended Questions (Page 2 of 2) Describe the different types of computers.Describe the different types of computers. –What is the most common type? –What are the types of microcomputers? What is connectivity? What are wireless devices and the wireless revolution? What is a computer network? What are the Internet and the Web? What is cloud computing?What is connectivity? What are wireless devices and the wireless revolution? What is a computer network? What are the Internet and the Web? What is cloud computing?