After studying this chapter you will be able to understand: What is the value of a single computer? Why are computer networks so important in today’s businesses? What components do you need to install to create a network? How can multiple users share a single network?,. | Introduction to MIS Chapter 3 Networks and Telecommunications Jerry Post Technology Toolbox: Creating Web Pages Technology Toolbox: Transferring Files Cases: Wholesale Suppliers 1 Outline What is the value of a single computer? Why are computer networks so important in today’s businesses? What components do you need to install to create a network? How can multiple users share a single network? How is it possible that you can connect your computer to a network at the office, at home, or while on the road, even overseas? What is the Internet, how is it controlled, and how does it work? Are personal computers necessary anymore? What problems are you likely to encounter if you need to connect to a supplier in a different country? 2 Networks Teamwork Communication Scheduling Sharing Internet Suppliers Customers Banks Internal External Services Applications Research Hosting Sharing Data: Transactions Database Management System and Web Server Or Point-of-Sale system Internet Team Document File Server and Database Report and Comments Sharing Data: Decisions & Collaboration Decisions & collaboration Teamwork & joint authorship 5 Sharing Data: E-mail Internet 1. User creates e-mail message. 2. Message transferred to account on server. 3. Transferred via the Internet to the destination account. 4. Message received when user checks e-mail. Sharing Data: Calendars 8:00 Mgt meeting 8:30 (open) 9:00 Staff meeting 9:30 Staff meeting 10:00 new meeting Hardware Sharing Corporate or external computer access Server Shared Printer Workstations tape drive (backup) Printers Storage Processors Files are transferred from workstations to the server. Software automatically copies files to tapes. LAN administrator can restore files if needed. 8 Network Components Computers Servers Work stations Media Cables Fiber optic Radio Infrared Connection devices LAN card LAN card LAN card LAN card Shared Printer Server Personal Computer Personal Computer Router Internet Firewall Switch 9 Server . | Introduction to MIS Chapter 3 Networks and Telecommunications Jerry Post Technology Toolbox: Creating Web Pages Technology Toolbox: Transferring Files Cases: Wholesale Suppliers 1 Outline What is the value of a single computer? Why are computer networks so important in today’s businesses? What components do you need to install to create a network? How can multiple users share a single network? How is it possible that you can connect your computer to a network at the office, at home, or while on the road, even overseas? What is the Internet, how is it controlled, and how does it work? Are personal computers necessary anymore? What problems are you likely to encounter if you need to connect to a supplier in a different country? 2 Networks Teamwork Communication Scheduling Sharing Internet Suppliers Customers Banks Internal External Services Applications Research Hosting Sharing Data: Transactions Database Management System and Web Server Or Point-of-Sale system Internet Team Document .
