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Medicine and the Internet Don Nelson and Gordon Baustian Overview What is the Internet? How did it come about? What can it do for physicians? How can I get connected? Prospects for the future What is the Internet? udp: gopher:

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medicine and the internet

Medicine and the Internet

Don Nelson and Gordon Baustian

overview
Overview
  • What is the Internet?
  • How did it come about?
  • What can it do for physicians?
  • How can I get connected?
  • Prospects for the future
what is the internet
What is the Internet?

udp:

gopher:

  • A loosely organized, but effective, network of computers and smaller networks
  • A set of rules (protocols) for computers to make connections to other computers and to request and transfer information

ftp:

TCP/IP

Telnet:

http:

ppp:

pop:

how we got the internet
How we got the Internet
  • Department of Defense support for computing research
  • (Defense) Advanced Research Projects Agency: ARPANET (1969)
  • Share expensive experimental computers ($$$) among researchers
how we got the internet5
How we got the Internet
  • The Cold War
  • Need for “disaster-proof”network
  • Decentralized
  • Reconfigure itself
  • Work around outages
terminology
Terminology
  • Hosts / Servers
    • Systems that supply information
    • More-or-less permanent connection to the Net
  • Clients
    • Systems that request information
    • May be intermittently connected
  • One system may play both roles
how it grew
How it grew!!
  • The PC revolution -- Cheap computers!
  • Millions of users
  • Hypertext
  • The World Wide Web (WWW)
hypertext
Hypertext
  • Ability to embed references to other documents
  • References “Links” are active
  • Move from one item to another by selecting a link
hypertext9
Hypertext
  • This is ordinary text from a Web Page
  • This is hypertext
hypertext10
Hypertext
  • HTML Hypertext Markup Language
    • Create documents with links to other documents
  • HTTP Hypertext Transfer Protocol
    • Send HTML documents from one computer to another
  • One resource can “contain” others anywhere
  • Hence “World Wide Web”
what is a url
What is a URL?
  • Uniform Resource Locator
  • An address to any item on the Internet

http://www.microsoft.com/index.htm

The itemrequested

Name of host computer

Protocol to use

what do i need
What do I need?
  • Computer
  • Modem or other connection
  • Software -- Browser
    • Netscape Navigator
    • Microsoft Internet Explorer
  • Internet provider
    • Compuserve, America Online
    • Physicians Online
    • Local provider: CR Library, etc.
what lies ahead
What Lies Ahead?
  • Patient education on line
  • Secure transactions
  • Access to medical records?
  • Patients schedule own appointments?
where to get more information
Where to get more information
  • Mercy Library classes
  • Local user groups
  • Computer store classes
  • Books: Hutchinson: A Pocket Guide to the Medical Internet
  • Surf yourself
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