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Definition: A web server is a computer that runs websites. It's a computer program that distributes web pages as they are requisitioned. The basic objective of the web server is to store, process and deliver web pages to the users. This intercommunication is done using Hypertext Transfer Protocol (HTTP). These web pages are mostly static content that includes HTML documents, images, style sheets, test etc. Apart from HTTP, a web server also supports SMTP (Simple Mail transfer Protocol) and FTP (File Transfer Protocol) protocol for emailing and for file transfer and storage.
Description: The main job of a web server is to display the website content. If a web server is not exposed to the public and is used internally, then it is called Intranet Server. When anyone requests for a website by adding the URL or web address on a web browser’s (like Chrome or Firefox) address bar (like www.economictimes.com), the browser sends a request to the Internet for viewing the corresponding web page for that address. A Domain Name Server (DNS) converts this URL to an IP Address (For example 192.168.216.345), which in turn points to a Web Server.
The Web Server is requested to present the content website to the user’s browser. All websites on the Internet have a unique identifier in terms of an IP address. This Internet Protocol address is used to communicate between different servers across the Internet. These days, Apache server is the most common web server available in the market. Apache is an open source software that handles almost 70 percent of all websites available today. Most of the web-based applications use Apache as their default Web Server environment. Another web server that is generally available is Internet Information Service (IIS). IIS is owned by Microsoft.
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NAIMMCQ ISDS A(n) ____ is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic.
a. query app A(n) ____ is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic.
A(n) ____ is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic.
b. online social network
c. search engine
d. browser
Answer: C
Unit 4. Using web search engines
Topic A: Web search engines
Click play on the following audio player to listen along as you read this section.
Perform a Search Using a Web Search Engine
– a web-based tool that is designed to search the content of web pages and find particular information on the Internet.
Some popular search engines
- Bing
- Baidu
- Yahoo!
- Yandex
- Ask.com
- DuckDuckGo
Search the Internet using a web search engine
- Open a search engine in a web browser (such as Internet Explorer).
- Type a few specific keywords or phrases in the search box to describe whatever you wish to search. Search engines look for the keywords in your query.
- Press Enter. The search engine will display a list of websites (page after page) that include information related to your query.
- Repeat above steps (type different keywords or phrases) if necessary.
Web Browsers and Bookmarks
Browsers
- – a software program that allows users to access and display websites or web pages (documents, images, videos, music, etc.) on the Internet.
Some popular web browsers:
Bookmarks
- : a collection of links (saved shortcuts) to web pages that is stored in a web browser.
- Saving bookmarks allows users to quickly navigate back to the websites they visit the most.
- Bookmark bar: A toolbar that contains all bookmarks and is displayed at the top of a browser window (under the address bar).
Google Chrome
Add bookmarks to Google Chrome
- Open Chrome by double-clicking.
- Go to the website you would like
to
bookmark. - Click on the star icon to the upper-right corner to add the bookmark.
- Click Done.
Find a bookmark in Chrome
Method 1
- Open Chrome.
- Click three dots (More options) in the upper-right corner.
- Click Bookmarks (in the pop-up menu that
appears).
- Find and click a bookmark to open it.
Method 2
- Open Chrome.
- Find and click a bookmark on the bookmarks bar to open it.
Show or hide the bookmarks bar in Chrome
- Open Chrome.
- Click three dots icon to the upper-right corner.
- Click Bookmarks.
- Click Show Bookmarks Bar to turn the bookmarks bar on and off.
(A check mark means the bookmarks bar is showing. No check mark means it’s hidden.)
Internet Explorer
Add bookmarks to Internet Explorer
- Open Internet Explorer double-click on Internet Explorer to open it.
- Go to the website you would like to bookmark.
- Right-click on an empty space of the page.
- Select Add to Favorites from the pop-up menu that appears.
- Click Add.
You may also click on the star icon
Find a bookmark in Internet Explorer
- Open Internet Explorer.
- Click on the star icon in the upper-right corner.
- Find and click a bookmark to open it.
Or use the bookmarks bar that shows under the address bar. Click a bookmark to open it.
Show or hide the bookmark bar in Internet Explorer
- Open Internet
Explorer.
- Right-click on the top side (empty space) of the Window.
- Click the Favorites bar on the pop-up menu.