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 INTERNETMr. DowningComputer Information Systems

2. Computer SoftwareSystem 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 Softwareword processingspreadsheetpresentationdatabase

4. Communicating through TechnologyAnswering machinesVoicemailFax machinesEmail Text messagingWeb cam

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

6. Network terms to knowServer = a computer or device on a network that manages network resources ex. file server, web root serverNetwork interface card (NIC) = card inserted into a computer so the computer can be connected to a networkFirewall = a system designed to prevent unauthorized access to or from a private networkRouter = a device that forwards data packets along networks and is located where a network connectsModem = 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 WebUniform Resource Locator (URL)

10. Entertainmentmeeting peopleHow do we use the internet??ResearchCommunicatingOther thoughts?

11. E-commerce (shoppingor )Conducting business activities onlineBusiness to consumerConsumer to consumerBusiness to businessAdvantages?Disadvantages?

12. AdvertisingintranetHow do businesses use the internet??ResearchCommunicating

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?