Web Page Navigation
- Surfing the web : The activity of using links to explore the web
- A link : Can be text or an image
- Text links : May be underlined and/or displayed in a color different from other text on the page or the color of the link will change once the link has been visited.
Hypertext: Links in text-based documents
Hypermedia: Combines text-based links with graphic, audio and video links
Tab Browsing
•Most
current web browsers support tabbed browsing
•Tabbed browsing allows you to open and view multiple Web
pages in a single Web browser windows
Example
of tabbed browsing and links:
Web searching
•A
primary reason that people use the Web is to search for specific information,
including text, pictures, music and video.
•The
first step in successful searching is to identify the main idea or concept in
the topic about which you are seeking information.
Two types of search tools:
Search engine (keyword search) : Finds information related to a specific topic
Subject directory ( directory search) : Classifies Web pages in an organized set of categories
The search engine
A program that searches documents for
specified keywords and returns a list of the documents where the keywords were
found.
•Requires the users to enter a word or
phrase, called search text or search query.
•Each word of the search text is known as
keyword.
•Result
from the search engine can be in the form of:
web
pages
articles
Images
Audio
Video
and etc.
No comments:
Post a Comment