1. Microsoft Office 2007 Essential Introduction to Computers and How to Purchase a Personal Computer

2. Objectives Define the term computer and discuss the four basic computer operations: input, processing, output, and storage Define data and information Explain the principal components of the computer and their use Describe the use of magnetic disks, USB flash drives, and other storage media Discuss computer software and explain the difference between system software and application software Microsoft Office 2007: Introductory Concepts and Techniques2

3. Objectives Identify several types of personal computer application software Discuss computer communications channels and equipment and the Internet and World Wide Web Define e-commerce Explain how to purchase a personal computer Microsoft Office 2007: Introductory Concepts and Techniques3

4. What Is a Computer? An electronic device, operating under the control of instructions stored in its own memory, that can: – Accept data (input) – Process the data according to specified rules (process) – Produce results (output) – Store the results for future use (storage) Microsoft Office 2007: Introductory Concepts and Techniques4

5. What Is a Computer? Microsoft Office 2007: Introductory Concepts and Techniques5

6. What Does a Computer Do? Information Processing Cycle = 4 basic operations: input, processing, output, storage Microsoft Office 2007: Introductory Concepts and Techniques6

7. What Are the Components of a Computer? 6 primary components (hardware) : – Input devices Examples: keyboard, mouse, stylus, touchpad – Processor (CPU) Control unit and arithmetic/logic unit – Memory Measured in bytes, kilobytes, megabytes, gigabytes Microsoft Office 2007: Introductory Concepts and Techniques7

8. – Output devices Printers (impact and non-impact) Monitors (flat panel (LCD) and CRT) – Storage devices Magnetic disks, optical discs, tape, miniature mobile – Communications devices Modem, wireless The processor, memory, and storage devices are housed in a box-like case called the system unit What Are the Components of a Computer?

9. What are the Components of a Computer? Microsoft Office 2007: Introductory Concepts and Techniques9

10. System Software System software consists of programs to control the operations of computer equipment – Operating system Microsoft Windows Vista Microsoft Windows XP Apple Mac OS X Linux – Booting – Graphical user interface (GUI) Icon Microsoft Office 2007: Introductory Concepts and Techniques10

11. Application Software Application software consists of programs designed to make users more productive and/or assist them with personal tasks – Word processing (Microsoft Word) – Spreadsheet (Microsoft Excel) – Database (Microsoft Access) – Presentation graphics (Microsoft PowerPoint) Microsoft Office 2007: Introductory Concepts and Techniques11

12. Application Software Microsoft Office 2007: Introductory Concepts and Techniques12

13. Networks Network - a collection of computers and devices connected together, often wirelessly – Local area network (LAN) – Wide area network (WAN) Microsoft Office 2007: Introductory Concepts and Techniques13

14. The Internet Internet - the world’s largest network; a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals – Internet service provider (ISP) – example: Frontier – Online service provider (OSP) – example: AOL – Wireless Internet service provider (WISP) – example: Cingular Microsoft Office 2007: Introductory Concepts and Techniques14

15. The Internet The World Wide Web contains billions of documents called Web pages – Web site – Web browser – Uniform Resource Locator (URL) – Hypertext transfer protocol (http://) Microsoft Office 2007: Introductory Concepts and Techniques15

16. E-Commerce When you conduct business activities online, like shopping or banking, you are participating in electronic commerce, also known as e-commerce – Business to consumer (B2C) – Consumer to consumer (C2C) – Business to business (B2B) Microsoft Office 2007: Introductory Concepts and Techniques16

17. How to Purchase a Personal Computer When should you choose a Desktop Computer vs. a Mobile Computer Microsoft Office 2007: Introductory Concepts and Techniques17

18. Considerations when Purchasing a Desktop Computer Determine the specific software you want to use on your computer Know the System Requirements of the Operating System Look for bundled software Avoid buying the least powerful computer available Consider upgrades to the mouse, keyboard, monitor, printer, microphone, and speakers Microsoft Office 2007: Introductory Concepts and Techniques18

19. Considerations when Purchasing a Desktop Computer Determine whether you want to use telephone lines or broadband (cable or DSL) to access the Internet If you are using a dial-up or wireless connection to connect to the Internet, then select an ISP or OSP Use a worksheet to compare computers, services, and other considerations If you have a computer and are upgrading to a new one, then consider selling or trading in the old one If you are buying a used computer, stay with name brands such as Dell, Gateway, Hewlett-Packard, and Apple Microsoft Office 2007: Introductory Concepts and Techniques19

20. Considerations when Purchasing a Desktop Computer If you are buying a new computer, you have several purchasing options: buying from your school bookstore, a local computer dealer, a local large retail store, or ordering by mail via telephone or the Web Be aware of hidden costs Consider more than just price Avoid restocking fees Use a credit card to purchase your new computer Consider purchasing an extended warranty or service plan Microsoft Office 2007: Introductory Concepts and Techniques20

21. Summary Define the term computer and discuss the four basic computer operations: input, processing, output, and storage Define data and information Explain the principal components of the computer and their use Describe the use of magnetic disks, USB flash drives, and other storage media Discuss computer software and explain the difference between system software and application software Microsoft Office 2007: Introductory Concepts and Techniques21

22. Summary Identify several types of personal computer application software Discuss computer communications channels and equipment and the Internet and World Wide Web Define e-commerce Explain how to purchase a personal computer Microsoft Office 2007: Introductory Concepts and Techniques22

23. Microsoft Office 2007 Essential Introduction to Computers Complete