1. Chapter 1 - Introduction This slide presentation is designed to be viewed as a Slide Show. If viewed as a Slide Show your will be able to observe the animation and you should have functional hyperlinks. When in the Slide Show view, click to advance the slide. If the presentation is working very slowly, you may want to save it to your computer and then run the show. I hope you find this presentation interesting.

2. Remember September 11, 2001 When I originally created this presentation, it was shortly after Sept. 11. When I updated my slides, I couldn’t delete these slides. I think we just have to remember! Click to advance slide

3. God may give you mercy, but we will not! Senator John McCain

4. COMPUTER LITERACY Knowing how to _____ a computer Knowledge and understanding of computers and how they are used in _____

5. What Is a Computer? A computer is an _____ device, operating under the control of _____ _____ in its own memory Accepts data (Input) Manipulates Data (Processing) Produces information (Output) Information Processing Cycle

6. D I _____ are changed into _____ (Facts)(Useful Form) Input _____ Output StorageCommunications

7. What is _____ computing? Involves reducing the _____ consumed and environmental _____ generated when using a computer Strategies include: Recycling Regulating manufacturing processes Extending the life of computers Immediately donating or properly disposing of replaced computers

8. THE COMPONENTS OF A COMPUTER Input Devices _____ Devices System Unit contains Processing Devices _____(RAM) Storage Devices Communications Devices InputProcessOutput Storage

9. Input Process Output Storage Input Output Communications Input

10. What is the _____ unit?  Case that contains electronic components of the computer used to _____ data system unit

11. What are common components inside the system unit? Circuitry  _____  Adapter ____  Sound card  Modem card  Video card  Network card power supply ports drive bays processor memory sound card video card modem card network card

12. What is the _____ ?  Main circuit board in system unit  Contains adapter cards, processor chips, and memory chips processor chip adapter cards memory chips memory slots motherboard Expansion slots for adapter cards

13. What is storage? Storage holds _____, _____, and information for future use Storage _____ Physical material on which data is stored Hard disks, CD &DVDs, flash media more Floppy disks (no more, obsolete!) Storage _____ The mechanism that retrieves & records (reads/writes) data to and from the storage media

14. Types of storage media _____ disks, _____ media, CDs & DVDs, floppy disks, others?

15. What are communication devices? Hardware that enables a computer to send & receive data _____ _____ card Transmission media Cables, telephone lines, radio networks, satellites and other? Check WebopediaWebopedia for a definition

16. Why use a computer? Why is a computer so powerful? _____ Reliability Accuracy _____ Communications Close to the speed of light Low failure rate Process error free GIGO ! Total & instant recall Share resources: devices & data Garbage In Garbage Out

17. What is Computer Software? Computer programs A series of _____ that tells the computer _____ how to perform tasks Two general categories of software _____ Software Operating system Utility program

18. Systems Software Coordinates hardware and runs application software _____ system User interface _____ user interface (GUI – icons & menus) Microsoft Windows 98, ME & 2000, XP, Windows 7 Utility programs Help manage the computer, its devices & programs Examples include: Uninstall, format disks, add printers, etc.

19. Application Software Performs specific _____ Word Processing Spreadsheet Database Presentation Graphics Many other tasks

20. How do we obtain software? The operating system is usually bundled with the computer when purchased Some applications may be bundled with the computer _____ software Custom software _____ Freeware and public-domain software

21. COMPUTER SOFTWARE Software Development Computer programmers Programming languages Visual Basic C++ _____ _____ analyst Works with users & programmers to design programs

22. What are the elements of an Information System? When System Analysts work with an information system they must consider all of the elements _____ Software _____ People _____

23. What is a Network? A collection of computers & devices Sharing connected _____ Hardware (often wireless) Software Data _____ Area Network – LAN Office & close buildings like a campus _____ Area Network – WAN Large geographic area like to U Mary Fargo

24. What is a server? A server _____ the resources on a network _____ access the resources on the server

25. What is the Internet? A worldwide collection of _____

27. What is the Web? The World Wide Web is a _____ on or a part of the Internet Connects Web _____ containing Web _____ through a means of hyperlinks

28. What is the Internet/Web used for? Internet uses: _____ Accessing _____ Shopping Meeting people – social networking (Facebook) Entertainment Remember that the World Wide Web is one part/a service on the Internet Web _____ help navigate the WWW Microsoft Internet Explorer Netscape Navigator

29. What is _____ networking? A Web site that encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users

30. The _____ Computer category What are the _____ Categories of Computers? Desktop computers includes 1 Two popular architectures are: 1. PCs & 2. MACs (Apple)

31. Can perform all of its input, processing, output, and storage activities by itself If the PC is not connected to another (host) computer It is said to be a “_____ _____ computer” PERSONAL COMPUTERS

32. What is a _____ ? Tower Model A very powerful PC (desktop) used for intense calculations & graphic intensive applications (graphic art, desktop publishing, multimedia, etc.)

33. 1. Personal computers CATEGORIES OF COMPUTERS _____ Computers Notebook or laptop Tablet PC 2 Mobile _____ Smart Phones Digital cameras E-book readers Media players

34. What is a _____ PC? Useful for taking handwritten notes. Allows you to write on the screen using a digital pen

35. 3 - _____ Consoles? A mobile computer using handheld controllers as input devices. Surgeons hone skills using the Wii system.

36. CATEGORIES OF COMPUTERS _____ CControl the access to hardware, software, & data PProvide a centralized storage area 4 1. Personal computers 2. Mobile computers 3. Game Consoles

37. _____ computers 1. Personal computers 2. Mobile computers 3. Game Consoles 5 4. Servers

38. Than Servers VVery powerful & expensive CCan handle hundreds or thousands of connected _____ simultaneously Mainframe Computers are

39. Fastest, most _____ computers Able to process more than one quadrillion instructions per second and growing! 1 quadrillion = 1,000 trillion 6 _____

40. How fast are these supercomputers? _____ = a floating point operation (I think it is a mathematical calculation of fractions.) I am going to think about one mathematical calculation. Kilo = 1,000 mathematical calculation per second Mega = 1,000,000 (a million) Giga = 1,000,000,000 (a billion; current PCs) Tera = 1,000,000,000,000 (a trillion) _____ = 1,000,000,000,000,000 (one _____ ) Currently (July, 2011) a Japanese supercomputer running at 8 petaflops is the world’s fastest computer Let’s try to understand the terminology used in the video (next slide).

41. Click to view video

42. 7 - _____ computers? A special-purpose computer that functions as a component in a larger product Consumer Electronics Mobile and digital telephones Digital televisions Cameras Video recorders DVD players and recorders Answering machines Home Automation Devices Thermostats Sprinkling systems Security monitoring systems Appliances Lights Automobiles Antilock brakes Engine control modules Airbag controller Cruise control Process Controllers and Robotics Remote monitoring systems Power monitors Machine controllers Medical devices Computer Devices and Office Machines Keyboards Printers Faxes Copiers

43. Examples of Computer Applications in Society p. 32-36 Figs. 1-36–1-43  Education  Finance  Government  Healthcare  Science  Publishing  Travel  Industry

44. Chapter 1 Complete