CS253 Unit 1 - The Basics
CS253 Unit 1 - The Basics
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This 6 page Reader was uploaded by Sami Smith on Thursday March 20, 2014. The Reader belongs to a course at University of California - Los Angeles taught by a professor in Fall. Since its upload, it has received 221 views.
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Date Created: 03/20/14
P CS253 Unit 1 The Basics Contents 1 2 9 10 Course Outline World Wide Web 1 Quiz Course Outline 2 Quiz File Types 3 Quiz Components of the Web 4 Quiz Best Browser Intro to HTML 1 Quiz Bold Tag 2 Quiz Italics 3 Quiz Missing End Tag 4 Quiz Making Links Adding Images 1 Quiz Whitespace 2 Quiz Paragraph Tag lnline vs Block 1 Quiz Span and Div Document Structure Introducing URLs 1 Quiz Correct URL 2 Quiz Query Parameters Fragments 1 Quiz Port 2 Quiz GET 3 Quiz Most Common Method Making Requests User Agent Header open in browser PRO version Are you a developer Try out the HTML to PDF API Search 39 tes Login Locked History Actions pdfcrowdcom 1 Quiz Valid Headers 11 http Response 12 Response Headers 1 Quiz Telnet Request 13 Web Applications 1 Quiz Dynamic Content 1 Course Outline In this class you will learn how to build web applications Throughout this course you will be building a blog that will have user registration and allow you to submit user entries This blog will be online for anyone to see and play with In this unit you are going to cover the following basics of the web the we b what it is what it looks like and how the pieces fit together HTM L the main document type of the web URLshow you refer to documents on the web H139l39P the protocol that the web runs on Web Applications what they are and how they fit into the big picture 2 World Wide Web The world wide web is a collection of HTML documents HTML stands for HyperText Markup Language and it is the basis for almost every webpage it is what glues everything together The links between pages are called hyper links orjust links give the internet its weblike characteristic The web was invented in the early 1990 s and has somewhere around 30 billion pages 21 Quiz Course Outline What is the main type of document on the web a HTML b Microsoft Word c PDF d Plain Text open in browser PRO version Are you a developer Try out the HTML to PDF AP pdfcrowdcom 22 Quiz File Types What type of files can be found on the web a Plain text b HTML c Images d Videos e Music 23 Quiz Components of the Web 2012O4O5mage1jpg Using the letters that are associated with each piece of technology and match them up with their name and definition HTl39P the main protocol of the web Serve rs computers that host the files that makes up the web Internet the world s largest computer network Browser a program that runs on your computer to display files found on the web quot9 24 Quiz Best Browser Which of these browsers is the best a Internet Explorer b Firefox c Chrome d Safari e Opera 3 Intro to HTML HTML or HyperText Markup Language is the heart of the web It is made up of text content which is what you see markup which is what the content looks like references to other documents for example images and videos 4 links to other pages open in browser PRO version Are you a developer Try out the HTML to PDF AP pdfcrowdcom 9 Explore HTML here wwwudacitycomhtmIpIayground and play around in this fake little test browser A few things to note Plain text is plain text in HTML for the most part 2012O4O5mage2jpg If you want to make the text look different you have to use markup 31 Quiz Bold Tag 32 Quiz Italics 33 Quiz Missing End Tag 34 Quiz Making Links 4 Adding Images 41 Quiz Whitespace 42 Quiz Paragraph Tag 5 lnline vs Block 51 Quiz Span and Div 6 Document Structure 7 Introducing URLs 71 Quiz Correct URL open in browser PRO version Are you a developer Try out the HTML to PDF API pdfcrowdcom 72 Quiz Query Parameters 8 Fragments 81 Quiz Port 82 Quiz GET 83 Quiz Most Common Method 9 Making Requests The basic format of a request is quotCOMMAND address protocolquot This comes after already being connected to the host so the host identifier is not needed An example is GET foo HTTP11 Note that Nhie HTTP11 is normally used using the telnet program requires using HTTP10 10 User Agent Header 101 Quiz Valid Headers 1 1 http Response Codes will be 3digit numbers starting with 2 3 4 or 5 If it starts with 2 like 200 this means everything worked alright If it starts with 3 it means there39s a bit more work to be done If it starts with 4 like 404 it indicates that there was an error with the browser and if it starts with 5 it means that there was a problem with the server 12 Response Headers 121 Quiz Telnet Request open in browser PRO version Are you a developer Try out the HTML to PDF AP pdfcrowdcom 13 Web Applications A web application is a program that generates content It is run from the server speaks http and generates dynamic content requested by the browser 131 Quiz Dynamic Content last edited 20120417 182407 by ivan open in browser PRO version Are you a deve0per Try out the HTML to PDF AP pdfcrowdcom
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