1. Computer, Internet, Web, and E-Mail Basics
CHAPTER 1
Computer, Internet, Web, and Basics

2. Chapter Contents Section A: Computer Basics Section B: Internet Basics
Section C: Web Basics
Section D: Basics
Chapter 1: Computer, Internet, Web, and Basics

3. Section A: Computer Basics
A Computer Is…
Computer Categories
Personal Computer Systems
Data, Information, and Files
Application Software and Operating System Basics
Chapter 1: Computer, Internet, Web, and Basics

4. A Computer Is…
Device that accepts input, processes data, stores data, and produces output
Chapter 1: Computer, Internet, Web, and Basics

5. A Computer Is…
A stored program means that a series of instructions for a computing task can be loaded into a computer’s memory
Allows you to switch between tasks
Distinguishes a computer from other simpler devices
Chapter 1: Computer, Internet, Web, and Basics

6. Computer Categories
Computers are categorized based on criteria such as usage, cost, size, and capability
Microcomputer
Personal computer
Desktop computer
Notebook computer
Tablet computer
Chapter 1: Computer, Internet, Web, and Basics

7. Computer Categories Handheld computer Workstation Videogame console
PDA
Workstation
Computer network
LAN
Videogame console
Nintendo’s GameCube
Sony’s PlayStation
Microsoft’s Xbox
Chapter 1: Computer, Internet, Web, and Basics

8. Computer Categories Mainframe computer Supercomputer Server
Processes data for hundreds of thousands of users
Supercomputer
One of the fastest computers in the world
Server
Supplies client computers with data
Chapter 1: Computer, Internet, Web, and Basics

9. Personal Computer Systems
A computer system refers to a computer and all the input, output, and storage devices that are connected to it
Chapter 1: Computer, Internet, Web, and Basics

10. Personal Computer Systems
Chapter 1: Computer, Internet, Web, and Basics

11. Personal Computer Systems
Peripheral devices enhance the functionality of a computer
Chapter 1: Computer, Internet, Web, and Basics

12. Data, Information, and Files
Data becomes information when it is presented in a format that people can understand and use
Digital format
A file is a named collection of data that exists on a storage medium
Data and executable files
File names and file extensions
Chapter 1: Computer, Internet, Web, and Basics

13. Application Software and Operating System Basics
Set of computer programs that helps a person carry out a task
System software
Helps the computer system monitor itself and function efficiently
Operating systems
Microsoft Windows
Mac OS
Chapter 1: Computer, Internet, Web, and Basics

14. Application Software and Operating System Basics
Two of the most popular personal computer platforms are PCs and Macs
PCs
Based on the design for the IBM PC
Macs
Based on a proprietary design for the Macintosh
PC and Mac platforms are not compatible
Chapter 1: Computer, Internet, Web, and Basics

15. Section B: Internet Basics
Internet Resources
Internet Connections
Internet Service Providers
User IDs and Passwords
Chapter 1: Computer, Internet, Web, and Basics

16. Internet Resources
The Internet is a collection of linked computer networks
Main communication routes referred to as the Internet backbone
TCP/IP
Chapter 1: Computer, Internet, Web, and Basics

17. Internet Resources Web sites Search engines Downloads and uploads
P2P file sharing
CLICK TO START
Chapter 1: Computer, Internet, Web, and Basics

18. Internet Resources E-mail Bulletin boards Blogs
Usenet
Blogs
Chat groups and instant messaging
Chapter 1: Computer, Internet, Web, and Basics

19. Internet Resources Internet telephony E-commerce Broadcasting
Remote access and control
Chapter 1: Computer, Internet, Web, and Basics

20. Internet Connections Dial-up connection Cable Internet service
Simple and inexpensive
Signals travel over phone lines
Voiceband modem
Cable Internet service
Computer signals travel over cable TV lines
Cable modem
Always-on connection
Chapter 1: Computer, Internet, Web, and Basics

21. Internet Connections
To determine whether a computer has a modem, look for a place to plug in a standard phone cable.
CLICK TO START
Chapter 1: Computer, Internet, Web, and Basics

22. Internet Connections ISDN (Integrated Services Digital Network)
Speeds are marginally better than dial-up
DSL (Digital Subscriber Line)
Up to 125 times faster than dial-up
DSS (Digital Satellite Service)
Average seed is 500 Kbps
Chapter 1: Computer, Internet, Web, and Basics

23. Internet Service Providers
Maintains equipment to provide Internet access to subscribers
Where to locate a list of ISPs
Yellow Pages
Your computer may contain a directory
Chapter 1: Computer, Internet, Web, and Basics

24. Internet Service Providers
How to choose an ISP:
Geographical coverage
Type of service
Quality of service
Cost of monthly service
Cost of equipment and installation
Extra services
Customer service
Chapter 1: Computer, Internet, Web, and Basics

25. User IDs and Passwords Designed to provide access for authorized users
A user ID serves as a person’s unique identifier
A password verifies your identity
Case sensitive
Chapter 1: Computer, Internet, Web, and Basics

26. User IDs and Passwords Choosing a secure password
Chapter 1: Computer, Internet, Web, and Basics

27. Section C: Web Basics The World Wide Web Browsers Search Engines
Chapter 1: Computer, Internet, Web, and Basics

28. The World Wide Web
Collection of files that can be linked and accessed using HTTP
The World Wide Web consists of:
Web pages
Links
Web sites
Web servers
Chapter 1: Computer, Internet, Web, and Basics

29. The World Wide Web Every Web page has a unique address, or URL
HTML is the standard format for Web documents
Chapter 1: Computer, Internet, Web, and Basics

30. Browsers Web browsers help you access Web pages
Microsoft Internet Explorer
Netscape Navigator
Mozilla Firefox
Chapter 1: Computer, Internet, Web, and Basics

31. Browsers Common browser features
Chapter 1: Computer, Internet, Web, and Basics

32. Browsers Browsers fetch and display Web pages
HTML tags tell the browser how to display information on the Web page
Chapter 1: Computer, Internet, Web, and Basics

33. Browsers To copy a passage of text
from a Web page, highlight the text, click the Edit menu, then select Copy. Next, switch to your own document and use the Paste option.
CLICK TO START
Chapter 1: Computer, Internet, Web, and Basics

34. Search Engines Web site that helps you find information
Different search engines return different results
Chapter 1: Computer, Internet, Web, and Basics

35. Search Engines A query describes the information you want to find
Keywords describe the information you’re trying to find
Search operators describe the relationship between keywords
Chapter 1: Computer, Internet, Web, and Basics

36. Search Engines A topic directory is a list of topics and subtopics
Arranged in a hierarchy
CLICK TO START
Chapter 1: Computer, Internet, Web, and Basics

37. Search Engines Search forms help you enter complex queries
Chapter 1: Computer, Internet, Web, and Basics

38. Search Engines Some search engines accept natural language queries
“Where can I find a review of The Producers?”
Chapter 1: Computer, Internet, Web, and Basics

39. Section D: E-Mail Basics
Overview
Netiquette
Spam
Technology
Chapter 1: Computer, Internet, Web, and Basics

40. Overview
Any person with an account can send and receive messages
Chapter 1: Computer, Internet, Web, and Basics

41. E-Mail Overview Basic e-mail activities Writing Reading Replying
Forwarding
Chapter 1: Computer, Internet, Web, and Basics

42. Overview
attachments are files that travel with an message
software converts attachments to MIME
HTML-compliant software
Additional features
Chapter 1: Computer, Internet, Web, and Basics

43. Overview
Chapter 1: Computer, Internet, Web, and Basics

44. Netiquette Internet etiquette Meaningful subject
Use uppercase and lowercase letters
Check spelling
Be careful what you send
Be polite
Be cautious with sarcasm and humor
Chapter 1: Computer, Internet, Web, and Basics

45. Netiquette Use smileys and text messaging shorthand cautiously
Use the Bcc function for group mailings
Don’t send replies to all recipients
Don’t send huge attachments
Explain attachments
Stay alert for viruses
Notify recipients of viruses
Chapter 1: Computer, Internet, Web, and Basics

46. Spam Unwanted electronic junk mail Don’t reply Don’t link
Guard your address
Use spam filters
Automatically routes advertisements and other junk mail to appropriate folder
Report spam
Change your address
Chapter 1: Computer, Internet, Web, and Basics

47. E-mail Technology E-mail systems carry and manipulate e-mail messages
servers
Based on store-and-forward technology
Three types of systems widely used today:
POP
IMAP
Web-based
Chapter 1: Computer, Internet, Web, and Basics

48. Technology
Web-based accounts allow you to use a browser to access your messages
Chapter 1: Computer, Internet, Web, and Basics

49. Technology
A POP server is a computer that stores your incoming messages until they can be transferred to your hard disk
client software
SMTP server
Chapter 1: Computer, Internet, Web, and Basics

50. Computer, Internet, Web, and E-Mail Basics
CHAPTER 1 COMPLETE
Computer, Internet, Web, and Basics