internet and web technology lecture notes

... the Internet and Internet technology work and how they support communication and e-business? • What are the principal technologies and standards for wireless networking, communication, and Internet ... Networking Technology • Networking and Communication Trends – Convergence: • Telephone networks and computer networks converging into single digital network using Internet standards – Broadband: • ... costs and improve safety 7.3 Copyright © 2016 Pearson Education, Inc Management Information Systems Chapter 7: Telecommunications, the Internet, and Wireless Technology Components of Networks and

Ngày tải lên: 02/03/2023, 13:31

... of Internet Understand the limitations of todays internet Describe the potential capabilities of Internet II Understand how the world wide web works Describe how internet and web features and ... Virtual Campus, CIIT COMSATS Institute of Information Technology • T1-Lecture-4 The Internet and The Web Chapter-2 Part-II T1-Lecture-4 For Lecture Material/Slides Thanks to: Copyright © 2010 Pearson ... Substrate layer  Layer-1 of Internet technology that is composed of telecommunications networks and protocols Transport Services and Representation Standards layer  Layer-2 of Internet architecture

Ngày tải lên: 18/01/2020, 16:40

...  Understand the limitations of todays internet  Describe the potential capabilities of Internet II  Understand how the world wide web works  Describe how internet and web features and services ... origin and evolution of the Internet  Identify the key technology concepts behind the internet  Describe the role of Internet protocols and utility programs  Explain the current structure of Internet ... Virtual Campus, CIIT COMSATS Institute of Information Technology • T1-Lecture-3 The Internet and The Web Chapter-2 Part-I T1-Lecture-3 For Lecture Material/Slides Thanks to: Copyright © 2010 Pearson

Ngày tải lên: 18/01/2020, 17:03

... Virtual Campus, CIIT COMSATS Institute of Information Technology • T1-Lecture-5 The Internet and The Web Chapter-2 Part-III T1-Lecture-5 For Lecture Material/Slides Thanks to: Copyright © 2010 ... Education, Inc 1-9 Development of the Web 1989–1991: Web invented Tim Berners-Lee at CERN HTML, HTTP, Web server, Web browser 1993: Mosaic Web browser w/GUI   Andreessen and others at NCSA Runs on Windows, ... Wikis Web application that allows a user to easily add and edit content on a Web page New music and video services  Videocasts: social sharing of videos  Digital video on demand T1-Lecture-5

Ngày tải lên: 18/01/2020, 18:14

... Introduction to Web Technologies and e-Services Lecture contents Internet, Web HTTP URL Web Browser Web Application Web Application Architecture Web Developer Roadmap Reasonable ... World Wide Web: a collection of interlinked multimedia documents that are stored on the Internet and accessed using a common protocol (HTTP) • Key distinction: Internet is hardware; Web is software ... Internet engineering task force, Internet architecture board, Internet assigned number authority, World-wide-web consortium (W3C) Internet Growth (cont.) • Internet has exhibited exponential

Ngày tải lên: 13/02/2023, 16:22

... IT4409: Web Technologies and e-Services Lec 2: HTML Objectives ❖ ❖ ❖ ❖ ❖ ❖ ❖ ❖ Describe hypertext and HTML standards Understand HTML elements and markup tags Create the basic ... sticking to (internationally and industrially) agreed upon standards will help ensure your web documents are rendered as you intend them to look and operate as you desire Tags and Elements • HTML specifies ... documents begin and end with and tags Comments appear between HEAD section enclosed between and tags BODY section enclosed between and * Find more info on HTML docs! view page and elements

Ngày tải lên: 13/02/2023, 16:22

... webpages from the presentation of them • Style sheets allow us to maintain this separation, which allows for easier maintenance of webpages, and for a consistent look across a collection of webpages ... Example: set the margin and padding on everything in a page to zero and everything within an element with the ID “contact” to be displayed as a block } 26 Universal, Child, and Adjacent Selectors ... original ratio and makes it large enough to fill the entire background area, which may result in cropping of either the height or width lengths, a width and a height percentages, a width and a height

Ngày tải lên: 13/02/2023, 16:23

... Random Dice Rolls var roll1 = Math.floor(Math.random()*6) + 1; var roll2 = Math.floor(Math.random()*6) + 1; document.write(""); view page the built-in Math object contains functions and ... commonly used application) ▪ image rollovers ▪ time-sensitive or random page elements ▪ handling cookies ❖ defining programs with Web interfaces ▪ utilize buttons, text boxes, clickable images, ... values are true and false ❖ When converted to a boolean, the following values are also false: ▪ ▪ ▪ ▪ ▪ ▪ 36 "0" and '0' The empty string, '' or "" undefined null NaN 36 undefined and null ❖ There

Ngày tải lên: 13/02/2023, 16:24

... Learning Outcomes In the lecture you have learned ▪ What is PHP and what are some of its workings ▪ Basic PHP syntax • variables, operators, if else and switch, while, while, and for ▪ Some useful ... while, and for ▪ Some useful PHP functions ▪ How to work with • HTML forms, cookies, files, time and date ▪ How to create a basic checker for user-entered data 28

Ngày tải lên: 13/02/2023, 16:24

... books on PHP include more information, and, of course, much information is available online • Sessions are useful for persistence of variables across many webpages without the need to submit information ... sessions by using a session identifier, which is generated by the server when a session starts and is then used by the browser when it requests a page from the server This session ID can be sent ... sometimes be difficult • Sessions help solve this problem by maintaining data during a user’s visit, and can store data that can be accessed from page to page in your site • You can use session variables

Ngày tải lên: 13/02/2023, 16:24

... for building user interfaces or UI components • • It maintained by Facebook and a community of individual developers and companies React was created by Jordan Walke, a software engineer at Facebook, ... the updated Virtual DOM and one which is just the pre-update version of this updated Virtual DOM • Now it compares the pre-update version with the updated Virtual DOM and figures out what exactly ... optimization while compiling code to JavaScript It is also type-safe and most of the errors can be caught during compilation It makes it easier and faster to write templates, if you are familiar with HTML

Ngày tải lên: 13/02/2023, 16:25

... language at both the places: server-side and client-side Installation and Example Installation • Node.js can be installed in different ways • Download from Node.js website: https://nodejs.org/en/download/ ... latest default version 11 Install Node.js and NPM on Windows Step 2: Install Node.js and NPM from Browser • Browse to the location where you have saved the file and double-click it to launch > Run ... installer When it finishes, click Finish 12 Install Node.js and NPM on Windows Step 2: Verify installation Open a command prompt (or PowerShell), and enter the following: The system should display the

Ngày tải lên: 13/02/2023, 16:26

... Wide Web Consortium) standard ❖ The DOM defines a standard for accessing documents: ❖ "The W3C Document Object Model (DOM) is a platform and language-neutral interface that allows programs and ... access and update the content, structure, and style of a document." ❖ The W3C DOM standard is separated into different parts: ▪ Core DOM - standard model for all document types ▪ XML DOM - standard ... element with the book title and author and append it to the page ❖ Use a ul and li to display the books Add a property to each book with the URL of the book cover, and add an img element for each

Ngày tải lên: 13/02/2023, 16:26

... hệ thống khác • Dễ dàng tạo file XML • Lưu trữ cấu hình cho web site • Sử dụng cho phương thức Remote Procedure Calls (RPC) phục vụ web service Đặc điểm XML •XML cung cấp phương tiện dùng văn ... •http://www.ibm.com – XML •Sách: Cơng nghệ XML ứng dụng – Tác giả: Nguyễn Tiến Huy •Charles F Goldfarb and Paul Prescod XML Handbook™, Fifth Edition Prentice Hall, December, 2003 140 141 Bài tập lớp – Chuyển đổi ... W3Schools nhằm khắc phục hạn chế HTML - ngôn ngữ đánh dấu siêu văn Giống HTML, XML dựa SGML – Standard Generalized Markup Language • Là sở công nghệ thương mại điện tử, công ty sử dụng XML để

Ngày tải lên: 13/02/2023, 16:26

... technique makes Web applications smaller, faster and more user-friendly 13 About AJAX ❖ AJAX is based on the following web standards: ▪ ▪ ▪ ▪ ▪ JavaScript XML HTML CSS DOM ❖ The web standards used ... and bandwidth consumption Lack of two-way, real-time communication capability for server-initiated updates 🡺 These are the reasons why Rich Internet Application (RIA) technologies were born Web ... "architecture of participation," and going beyond the page metaphor of Web 1.0 to deliver rich user experiences Tim O'Reilly, “Web 2.0: Compact Definition?” What Makes the Web 2.0 Different? ❖ ❖ ❖ ❖

Ngày tải lên: 13/02/2023, 16:27

... IT4409: Web Technologies and e-Services Lec 14: Web Security Outline What is web security? HTTPS Session Management Authentication Common Web Attacks What is web security? ❖ Website security ... protecting websites from unauthorized access, use, modification, destruction, or disruption (Mozilla) ❖ Effective website security requires design effort across the whole of the website: ▪ ▪ ▪ ▪ Web ... key - this key is controlled by the owner of a website and it’s kept, as the reader may have speculated, private This key lives on a web server and is used to decrypt information encrypted by

Ngày tải lên: 13/02/2023, 16:27

... axis incline At the edges orthogonal between x axis and y axis, their velocity is in nite To understand this case easily, the velocity command of driving system causing one axis motion should ... analysis and design in the following chapters Each model is the general linear model in terms of the form In the... Structure of industrial robot and arrangement of actuator And for ... condition and the approximated linear 1st order model in working coordinate are introduced These models are constructed for the characteristic analysis of mechatronic servo system and the

Ngày tải lên: 13/02/2014, 08:20

... event 34 Chapter 3 Random Variables and Discrete Distributions Contents Random Variables Expected Values and Variance Binomial Poisson Hypergeometric 1 Random Variables... men and 7 women, how ... 21.475, Σx2 f... (iii) Find P (A|B) and P (B|A) (iv) Find P (D) and P (D|C) 26 (v) Are A and B independent? Are C and D independent? (vi) Find P (A ∩ B) and P (A ∪ B) Law of total probability ... available between A and B; 4 between B and C; and. .. probability to justify your answers to the following questions: (i) If P (A ∪ B) = 6, P (A) = 2, and P (B) = 4, are A and B mutually

Ngày tải lên: 17/03/2014, 03:20

... it – Class counts in each of the partitions, A < v and A ≥ v Simple method to choose best v – For each v, scan the database to gather count matrix and compute its Gini index – Computationally Inefficient! ... or random coil Categorizing news stories as finance, weather, entertainment, sports, etc © Tan,Steinbach, Kumar Introduction to Data Mining 47 Stopping Criteria for Tree Induction Stop expanding ... attribute, – Sort the attribute on values – Linearly scan these values, each time updating the count matrix and computing gini index – Choose the split position that has the least gini index Cheat No No...

Ngày tải lên: 15/03/2014, 09:20

... web server machine. Browsing to a Page on your Web Server Now you know the name of your web server, and that web services are running; you can view some classic ASP pages hosted on your web ... dynamic web pages. How are Dynamic Web Pages Served? To fully understand the nature of dynamic web pages, we first need to look at the limitations of what we can and can't do with a static web ... on the Internet. The URL is an http:// web page address which indicates which web server to connect to, and the page we want to view. What URL do we use in order to browse to our web server?...

Ngày tải lên: 06/11/2013, 00:15