This document discusses computer software, networks, and the internet. It covers system software like operating systems, application software like word processors and spreadsheets. It defines networks as collections of connected computers and devices, describing local and wide area networks. Key network terms are defined, including servers, network interface cards, firewalls, and routers. The internet is identified as the world's largest network, with discussion of the world wide web, URLs, and how individuals and businesses use the internet for entertainment, communication, research, e-commerce, and more.

1. Software, Networks, and the INTERNET Mr. Downing Computer Information Systems

2. Computer Software System software consists of programs to control the operations of computer equipment (ex. operating system) What operating system do we use in this class?? Application software consists of programs that tell a computer how to produce information

3. Application Software word processing spreadsheet presentation database

4. Communicating through Technology Answering machines Voicemail Fax machines Email Text messaging Web cam

5. What’s a network? A network is a collection of connected computers and devices Local Area Network (LAN) Wide Area Network (WAN) Computers on a network share printing & software

6. Network terms to know Server = a computer or device on a network that manages network resources ex. file server, web root server Network interface card (NIC) = card inserted into a computer so the computer can be connected to a network Firewall = a system designed to prevent unauthorized access to or from a private network Router = a device that forwards data packets along networks and is located where a network connects Modem = a device that turns the signals from either your phone, cable line, DSL line, etc. into a format computers can understand

7. What’s the world’s largest network??

8. INTERNET: global network of linked computer networks

9. The World Wide Web Uniform Resource Locator (URL)

10. Entertainment meeting people How do we use the internet?? Research Communicating Other thoughts?

11. E-commerce (shoppingor ) Conducting business activities online Business to consumer Consumer to consumer Business to business Advantages? Disadvantages?

12. Advertising intranet How do businesses use the internet?? Research Communicating

13. It’s Your Turn! Find a partner… The internet has had a tremendous impact on business. For some businesses, that influence has not been positive. For example, surveys suggest that as a growing number of people make their own travel plans online, travel agents are seeing fewer customers. Use the Web to research two businesses that have been affected negatively by the Internet. How has the Internet hurt the business? How can the business compete with the Internet?