Introducing the web

1
Introducing the web

• Lecture 1

2
The web in a nutshell
Web page (HTML)
Web client
Web server
3
Lecture outline

• The client
• Conversation between client and server
• The server
• HTML documents
• Class overview

4
lttitlegtBucky Badgers web pagelt/titlegt ltbodygt lth1gt
Welcome to Bucky's web pagelt/h1gt ltimg
src"bucky.gif"gt ltpgtI am Bucky, the mascot for
University of Wisconsin athletics. Please
visit lta href"http//www.uwbadgers.com/football/
index.html"gt the web page of our football
teamlt/agt and lta href"http//www.uwbadgers.com/b
asketball/index.html"gt the web page of our
basketball teamlt/agt. lt/bodygt
5
Class overview

• What this class is meant to give you
• Fundamental concepts of client-server systems
• Hands-on introduction to current web technologies
• Things covered elsewhere
• Full mastery of technologies years of
  experience
• Programming languages and compilers CS 536
• Building system software CS 537
• Graphics, imaging CS 559
• Building database systems, designing databases
  CS 564
• How computer networks work CS 640
• Finding out what apps should do IS classes
  (e.g.371, 365)

6
General problems addressed

• System organization how to organize a large
  distributed system such as the web
• Software engineering how to make large
  applications easy to build and update
• Data representation how to organize data
• Multiple stakeholders what happens if different
  participants have different goals
• Performance how to make it fast

7
The 7 segments of the class

• Web pages (HTML, CSS, images, http)
• The C language (used on server side)
• Interacting with databases (SQL, ODBC)
• ASP.NET (framework for web applications)
• JavaScript (client side programming)
• Web 2.0 (AJAX, XML, web services)
• The Internet, security, wider context

Each segment will span 3 5 lectures
8
Grading
Per-segment in-class quizzes (best 6 of 7) 30
4 individual programming assignments 40
Extra credit programming assignment 5
Cumulative final exam 30