Web Development Learning Series — Part 8 of 10 · Advanced A fast website helps learners reach the lesson and use its controls without unnecessary waiting. Performance work begins by identifying the slow experience, not by applying every optimization tip at once. This guide uses a course landing page as a practical example. Imagine the page opens with a large banner image, a signup widget, and a video lesson. Those features can affect loading, interaction, and stability in different ways. Measure each problem separately before changing the design.
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Hypertext vs Hypermedia: Differences and HTML Examples
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Text component in multimedia and system design
Hypermedia:
Multimedia is the combination
of text, graphic, and audio elements into a single collection or
presentation
becomes interactive multimedia
when you give the user some control over what information is viewed and
when it is viewed.
Interactive multimedia becomes
hypermedia when its designer provides a structure of linked elements
through which a user can navigate and interact.
When a hypermedia project
includes large amounts of text or symbolic content, this content can be
indexed and its element then linked together to afford rapid electronic
retrieval of the associated information.
Hypertext:
When text is stored in a
computer instead of on printed pages the computer’s powerful processing
capabilities can be applied to make the text more accessible and
meaningful.
This text can be called as
hypertext.
Hypermedia Structures:
Two Buzzwords used often in
hypertext are:
§link
and node.
Links are connections between
the conceptual elements, that is,
The nodes that might consists
of text, graphics, sounds or related information in the knowledge base.
Searching for words:
Following are typical methods
for a word searching in hypermedia systems:
Categories,
Word Relationships,
Adjacency,
Alternates,
Association,
Negation,
Truncation,
Intermediate words,
Frequency.
Practice: connect a text lesson to a video
Create an HTML page with two sections named Explanation and Demonstration. Add a link to the demonstration using a fragment such as <a href="#demo">Watch the demonstration</a>, and give that section id="demo". Test the link with the keyboard. The linked text is hypertext; connecting the text, image, and video makes the project hypermedia.
Multimedia combines forms of communication such as text, images, audio, animation, and video. An online lesson that explains a concept in writing, demonstrates it in a video, and gives the reader a quiz is a multimedia project. The goal is to help a person understand or complete a task, not simply to add more media. Multimedia, interactive multimedia, and hypermedia A recorded presentation is linear: viewers normally follow its sequence. Interactive multimedia lets a person control an action, such as replaying a demonstration or answering a question. Hypermedia connects information through links so the reader can choose a route. A course with linked lessons, diagrams, and video explanations can use all three approaches. Choose media for a learning goal Element Useful role Design check Text Instructions, labels, and searchable explanations Use clear headings and readable contrast Image Show parts of a device or a finished result Describe meaningful information in alternative text Audio ...
Internet vs World Wide Web: the key difference The Internet is the network infrastructure that connects devices and networks. The World Wide Web is a service that uses that infrastructure to deliver linked pages and media through browsers. Email and other network services can use the Internet without being web pages. HTML describes page content, HTTP carries web requests and responses, and URLs identify resources. The History of the Internet ARPANET was an early packet-switching research network funded by ARPA. Its first connected hosts appeared in 1969. Research on connecting different networks later helped develop the Internet. The Internet Society history, written by Internet pioneers , explains this development and distinguishes ARPANET from separate RAND research on military survivability. Key milestones in the history of the internet include: 1969 : ARPANET's first message sent. 1989 : Tim Berners-Lee proposes the World Wide Web. 1991 : The first website goes live, laying the...
Video in multimedia combines a sequence of images with optional sound to show movement, demonstrations and stories. For a web lesson, the practical choices are the file format, compression, dimensions and accessible playback. Start with what the learner must see, then choose the smallest file that preserves those details. Analog and digital video Analog video represents pictures through a continuously varying signal. Digital video stores encoded image and audio data that software can edit, transmit and play. A phone recording is a useful starting point for a short lesson: record a clear demonstration, remove unnecessary footage and export a copy for web delivery. Container vs codec A container packages video, audio and metadata into a file. A codec encodes and decodes a media stream. MP4 and WebM are examples of containers; the file extension alone does not tell you which codec is inside. Check the actual container and codecs when a file fails to play. See MDN’s media container guide ....
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