DDTOA201 WEB TECHNOLOGY & ANDROID APPLICATIONS Notes
Module 1 covers Internet basics, including email protocols (SMTP, IMAP, POP3), various internet access methods like dial-up (utilizing phone lines and modems) and broadband (DSL, cable, fiber), and the evolution and structure of the World Wide Web. Key topics include internet addresses and domain name resolution (DNS), URL structure and its components, web protocols such as HTTP (including versions and HTTPS for secure communication) and FTP (for file transfer), different types of browsers (Chrome, Firefox, Safari) and their functionalities, search engines (Google, Bing, DuckDuckGo) and advanced search techniques, downloading and saving web documents in various formats, browser management including settings and extensions, plug-ins and their uses, download managers for efficient downloading, instant messengers for real-time communication, torrents and P2P file sharing, and FTP client software for managing file transfers. It also introduces web forms, detailing their elements and functionalities, using examples like PSC applications, E-grantz, irctc.co.in, and srailway.com, along with the concept of video conferencing (Zoom, Skype) and blogs (WordPress, Blogger) and their applications. Communication and collaboration tools such as Skype and Google Docs/Sheets are discussed, covering real-time collaboration features, along with email, messaging platforms, and calendar/meeting management using tools like Google Calendar and Outlook. The module concludes with an overview of the Cyber Security Act and IT Act, including major provisions, amendments, and their implications on online activities.
Module 2 introduces HTML (HyperText Markup Language), covering its concepts, document organization, and the structure of HTML documents and sections, including the use of declaration. It details HTML tags for headings (
to
), paragraphs (
), links ( with href attribute), images ( with src and alt attributes), elements, attributes, and line breaks (
). Text formatting tags such as , , , and are also covered. Image tags with the Src attribute, embedding video/audio using and tags, the Alt attribute for accessibility, tables with the border attribute, and headings in tables using are also covered. The module ends with lists, including unordered lists (
with
) and ordered lists (
with
).
Module 3 introduces Linux, starting with the concept of Free Open Source Software (FOSS) and its benefits, and familiarizing users with the Linux desktop environment, including various desktop environments like GNOME, KDE, and XFCE. It covers the concept of Live CD, booting from live media, window managers like GNOME, and the basic Linux file system structure (/home, /etc, /boot, /dev, /usr, etc.) and their purposes. Topics include opening files using