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Hardware, Software and Networking. ISM3011. What We’re Going to do Today. Announcements News & miscellany Alphabet soup MIS in the professions Hardware, software & networking highlights Client/Server Internet & Web Examples Q&A. Alphabet Soup. TCP Transmission Control Protocol

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What we re going to do today l.jpg
What We’re Going to do Today

  • Announcements

  • News & miscellany

  • Alphabet soup

  • MIS in the professions

  • Hardware, software & networking highlights

  • Client/Server

  • Internet & Web

  • Examples

  • Q&A


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Alphabet Soup

  • TCP

    • Transmission Control Protocol

    • Protocol (rules) for communicating over the Internet (along with TCP).

    • TCP is in charge of keeping track of data packets that make up the message being sent over the Internet. Messages are broken up into packets for efficient transmission.

  • IP

    • Internet Protocol. IP specifies the format of packets, also called datagrams, and the addressing scheme.

    • IP address is a set of four numbers, separated by periods.

    • 128.173.171.63


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MIS in the Professions - Banking

  • The Bank for Agriculture and Agricultural Cooperatives in Thailand

  • Took up to three weeks to reconcile financial records from 600 branches spread throughout Thailand.

  • Using SAP Banking software, this time was cut to one day.

  • Led to better processes, and better decisions due to more timely, accurate data.



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Helping a Friend

  • Assume the following scenario:

    • Your friend, Pat, wants your help in buying a computer system.

    • What would you do to help Pat?

  • So, how would you go about helping Pat?

  • Dell Web site might be helpful.





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Hardware Highlights

  • Hardware Categories

    • Input

      • Keyboard, mouse, RFID, scanner, card reader, etc.

    • Output

      • Monitor, printer, speakers,

    • Processing (CPU)

    • Storage

      • Hard disk, CD/DVD, flash drive, SD, floppy drive, etc.

    • Telecom

      • Modem, router, bridge, wireless, NIC, etc.

    • Connectivity

      • Ports & cables; USB, parallel, serial, firewire



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Software Highlights

  • Application software

    • This is what you really want to do.

    • General: Word, Excel, Firefox

    • More targeted

      • Vertical market: Specific industry

      • Horizontal market: Applies to many industries

  • Systems software

    • This is the “necessary evil” of software; have to have it to run application software

    • Operating systems

    • Utilities



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Networking Highlights

  • LAN, WAN, MAN (Metropolitan Area Network), PAN (Personal Area Network)

  • VPN (Virtual Private Network)

  • Protocol

    • Set of rules that govern the operation of a network

  • Topology

    • Physical arrangement of devices on a network

  • Bandwidth

    • The speed of your connection/network (kbps, mbps)

    • Test your connection speed: http://www.speedtest.net/

    • Download vs. upload


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Client/Server Architecture

Client requests something from the server.

Server responds to the client.


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The Internet and the Web are NOT the same thing.

The Web “runs” on the Internet.

The Web is a way of organizing the information on the Internet.

Internet and World Wide Web


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Internet and Web

  • Internet

    • Global “network of networks” using TCP/IP

  • World Wide Web

    • Way of organizing and accessing information stored on the computers of the Internet

    • http (hypertext transfer protocol), html (hypertext markup language)

  • Importance of interoperability

    • Different types of systems being able to communicate.



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A Tale of Two Systems

  • Two different distributors

  • Same types of products

  • Different approaches to extending their internal systems.


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Need

Special software

Special connection (modem)

Runs in a text-only terminal window

Old School


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New School

Intranet

Intranet

Intranet

Intranet


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Next Time

  • The importance of organizational information

  • Read

    • Intro to Unit 2

    • Chapter 6


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