Скачать презентацию CS 101 Introduction to Computing Lecture 6 Developing Скачать презентацию CS 101 Introduction to Computing Lecture 6 Developing

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CS 101 Introduction to Computing Lecture 6 Developing & Hosting a Web Page (Web CS 101 Introduction to Computing Lecture 6 Developing & Hosting a Web Page (Web Development Lecture 2) 1

Today is our 2 nd Web Dev lecture During our 1 st lecture about Today is our 2 nd Web Dev lecture During our 1 st lecture about the Web … • We answered various questions about the Web. • How it works, How it is structured, etc. • We also commented about the future shape of the Web: the Semantic Web, and how it is different from the Web of today. • Today’s Web is targeted squarely at us, humans. Whereas, the Semantic Web is being constructed in such a way that it is easily understandable for the computers 2

Learning Goals for Today 1. To develop your personal Web page 2. To upload Learning Goals for Today 1. To develop your personal Web page 2. To upload your Web page to VU’s Web server so that it becomes visible on the Internet as http: //www. vu. edu. pk/~xxxx/ where xxxx is your user ID 3

But first … How I developed my personal Web page and made it available But first … How I developed my personal Web page and made it available over the Internet through the URL http: //www. vu. edu. pk/~altaf 4

page title URL link 5 page title URL link 5

HTML Hyper Text Markup Language 6 HTML Hyper Text Markup Language 6

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> HTML Code <BODY> <H 1>Altaf Khan</H 1> Altaf Khan's Home Page HTML Code Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

7

<HTML> 1 <HEAD> 2 <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> 3 <BODY> HTML Code 4 1 2 Altaf Khan's Home Page 3 HTML Code 4 The ones in yellow, i. e. , , ,

Adjunct Lecturer in Computer Science
, , Virtual University
are the six essential HTML tags, Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
required in all Web pages Altaf Khan +92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

5 6 8

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

9

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

10

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

11

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> Descriptio <BODY> n of the link <H Altaf Khan's Home Page Descriptio n of the link Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

12

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

URL of the

I teach the Introduction link to Computing course.

13

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

14

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

15

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

16

<HTML> <HEAD> <TITLE>Altaf Khan's Home Page</TITLE> </HEAD> <BODY> <H 1>Altaf Khan</H 1> <P><B>Adjunct Lecturer Altaf Khan's Home Page Altaf Khan

Adjunct Lecturer in Computer Science
Virtual University
Building 1, 3 rd Floor, Aiwan-e-Iqbal, Lahore
+92 42 555 1212
altaf@vu. edu. pk

I teach the Introduction to Computing course.

17

This HTML document was developed in a plain-text editor called notepad 18 This HTML document was developed in a plain-text editor called notepad 18

19 19

After typing the code into notepad, I saved it as index. html To check After typing the code into notepad, I saved it as index. html To check if I have done everything right, I double clicked on icon of the saved file index. html Double clicking on the icon launched the Web browser displaying my index. html 20

My Web page is done! 21 My Web page is done! 21

Problem! My Web page is visible only on my computer. It would be nice Problem! My Web page is visible only on my computer. It would be nice if it was also visible on the computers of all my friends and relatives as well. 22

Solution! I need to upload my Web page to a Web server that is Solution! I need to upload my Web page to a Web server that is connected to the Internet As a result, my Web page will become accessible to anyone with a computer hooked up to the Internet 23

Upload Process I went to the Web server upload page on the VU Intranet Upload Process I went to the Web server upload page on the VU Intranet and uploaded my Web page to my account on the VU Web server 24

25 25

Eureka! 26 Eureka! 26

My Web page is now accessible from all of the millions of computers connected My Web page is now accessible from all of the millions of computers connected to the Internet 27

http: //www. vu. edu. pk/~altaf/index. html http: //www. vu. edu. pk/~altaf 28 http: //www. vu. edu. pk/~altaf/index. html http: //www. vu. edu. pk/~altaf 28

Enough about mine … Here is how you can develop your personal Web page Enough about mine … Here is how you can develop your personal Web page and make it available on the Internet as http: //www. vu. edu. pk/~xxxx 29

Developing Your Own Web Page Step 1 Open notepad, type in the HTML code, Developing Your Own Web Page Step 1 Open notepad, type in the HTML code, and save it as index. html on your PC’s desktop 30

Developing Your Own Web Page Step 2 Log on to the VU Intranet and Developing Your Own Web Page Step 2 Log on to the VU Intranet and upload that index. html from your PC’s Desktop to your account on VU’s Web server 31

That is it! Your Web page is now accessible on the Internet through the That is it! Your Web page is now accessible on the Internet through the URL: http: //www. vu. edu. pk/~xxxx where xxxx is your user ID 32

Before we finish for the day, a brief review of the HTML tags … Before we finish for the day, a brief review of the HTML tags … 33

<HTML> … … </HTML> 34 … … 34

HTML tags that go in the HEAD portion of a Web page 35 HTML tags that go in the HEAD portion of a Web page 35

<HEAD> … … </HEAD> 36 … … 36

<TITLE> … </TITLE> 37 … 37

HTML tags that go in the BODY portion of a Web page 38 HTML tags that go in the BODY portion of a Web page 38

<BODY> … … </BODY> 39 … … 39

<P> … </P> Paragraph 40

…

Paragraph 40

<BR> Line break 41
Line break 41

<B> … </B> Bold text 42 … Bold text 42

<A HREF = “action” > label </A> Anchor (Anchors are used to embed links label Anchor (Anchors are used to embed links in a Web page) 43

<A HREF = “action” > label </A> • http: // – Displays the Web label • http: // – Displays the Web page specified by the link – example: “http: //www. vu. edu. pk” • mailto: – Sends an e-mail to the specified address – example: “mailto: altaf@vu. edu. pk” 44

<A HREF = “action” > label </A> label can be any text string 45 label label can be any text string 45

HTML Code I am at the <A HREF=“http: //www. vu. edu. pk”>Virtual University</A>. You HTML Code I am at the Virtual University. You can send me an e-mail by clicking here. Browser Display I am at the Virtual University. You can send me an e-mail by clicking here. 46

End of HTML tag review 47 End of HTML tag review 47

What have we learned today? 1. We now know how Web pages are built What have we learned today? 1. We now know how Web pages are built using HTML 2. We also know how to make our personal Web pages available to everyone on the Internet 48

Useful URL’s HTML for the Conceptually Challenged http: //www. arachnoid. com/lutusp/html_tutor. html NCSA’s Beginner's Useful URL’s HTML for the Conceptually Challenged http: //www. arachnoid. com/lutusp/html_tutor. html NCSA’s Beginner's Guide to HTML http: //archive. ncsa. uiuc. edu/General/Internet/WWW/ HTMLPrimer. All. html 49

Homework Assignment Develop your own home page. It should be accessible as http: //www. Homework Assignment Develop your own home page. It should be accessible as http: //www. vu. edu. pk/~xxxx (xxxx is your user ID) Among other things, it should contain – At least one link to http: //www. vu. edu. pk/~altaf – Your (clickable) email address – A paragraph (50 -100 words) on what you see yourself doing 10 years from now Consult your syllabus for the submission deadline for this assignment 50

Today’s was our 2 nd Web Dev lecture In the 3 rd Web Dev Today’s was our 2 nd Web Dev lecture In the 3 rd Web Dev lecture we’ll learn about adding Lists & Tables to your Web page 51