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Module 07: Internet


 1. Write some popular browser’s name. What is the default browser?

Name of some popular browsers:

i. Google Chrome 

ii. Mozila Firefox 

iii. Apple’s Safari

iv. Opera

v. Internet Explorer

Default Browser: Default Browser means the browser that comes pre-installed with the OS and is used to browse/open the sites when clicked any bookmark. Internet Explorer is the default browser in Windows Operating System.

2. How can you set any URL as home page?

To set any URL as homepage-

i. Open Internet Explorer;

ii. Click on the Tools menu>a drop down list appears;

iii. From the drop down list, select Internet Options; Internet Options dialogue box appears;

iv. In the Homepage section under the General tab, type the desired URL that we want to set as default homepage.

v. Click OK;

This will set the newly added URL as homepage in Internet Explorer.

3. Write the process to clear the browser history.

To clear the browser history-

i. Open Internet Explorer;

ii. Click on the Tools menu>a drop down list appears;

iii. From the drop down list, select Internet Options; Internet Options dialogue box appears;

iv. In the Browsing History section under the General tab, Click Delete> Delete Browsing History dialogue box appears;

v. Check the available browsing history box> Click Delete

This will delete the browsing history. Shortcut: Ctrl+Shift+Del

4. What is internet cache? What is the actual advantage of internet cache, explain.

Internet Cache: Internet cache is the saved copy of the visited web-sites via the internet browser. Each time we visit a website, a copy of the information both text and pictures are saved on the hard disk.

Actual  Advantage  of  Internet  Cache:  When  we re-visit  a  website,  the information  is  quickly loaded from the copy saved on the hard disc, rather than slowly from the actual website.

5. What is cookie? Why is cookie used?

Cookies: Cookies are hidden information about the user saved in the hard disc in the text file format.

Why is cookies used: Cookies personalizes the relationship of the user with the visited website. Cookies stores users preferences about a web-site. When the user re-visit the site, the user’s preferences are accessed automatically.

6. What are the issues to consider when sending file attachments in your email?

Issues when sending file attachments:

i. Keep the file size smaller;

ii. Avoid sending executable file as attachments;

iii. Do not send too many attachments at the same time;

iv. Do not send large file attachments.

7. What are the full forms of the abbreviations: HTTP, FTP, WWW?

HTTP: Hyper Text Transfer Protocol

FTP: File Transfer Protocol

WWW: World Wide Web

8. What is search engine?

A search engine is a web based tools which allows us to find information from the vast collection on internet. A search engine holds information about pages on Web sites . On a search engine we enter search phrase and the search engine shows the list of relevant web pages.

9. What are Web sites and URLs?

A Web site is simply the data which is stored on a WWW server and which can be freely accessed by people using internet browser like Google Chrome.

The URL (Uniform Resource Locator) is just another name for a Web address. URL is used to locate a resource on internet For example, the URL, http://www.microsoft.com is used to access website of Microsoft.

10. What is Spam or Unsolicited Email?

Email sent in bulk to numerous addresses, trying to sell product or service and some of them might be fraud, are known as spam or junk or unsolicited email.

11. What do you know about Web Browsers?

A web browser is an application program that allow to access and view web pages on internet. Some popular web browser are Internet Explorer, Firefox, Google Chrome.

12. What are the advantages of using email? Fast: Can be sent with file attached instantly;

Low Cost: Cost does not vary with distance;

Access from anywhere: Can be accessed any location if internet is available;

Web-based: Web-based interface does not require any special software.

13. What is a digital signature?

A digital signature is a code that is attached to an email to uniquely identify the sender. Like hand signature, it guarantees a person's authenticity.

14. What are hyperlinks?

A hyperlink is a piece of reference text or picture on a web page, which when clicked on will automatically-

i. take to a different part of the same page;

ii. take to a different page within the website;

iii. take to a page in a different website.

15. What is Encryption?

Encryption is a means of ‘scrambling’ a message or web page. It is used to make transmission more secure, so that only the intended recipient of the message will be able to read the message.

16. What are worms?

A computer worm is a self-replicating computer program that sends copies of itself to other computers via a network. It can copy itself from computer to computer without the user’s knowledge.

17. What is Pop Up?

Pop-ups are annoying little windows or messages that pop-up when we visit certain sites. They are mostly used for marketing purposes but sometimes may be used for surveys or other purposes.

18. What is Toolbar?

In Graphical User Interface, a toolbar is a GUI widget on which on-screen buttons, icons, menus, or other input or output elements are placed.

19. How can you set a browser as default browser?

To set a browser as default browser:

i. Click on the Tools button within the Internet Explorer toolbar;

ii. From the drop down menus, Select the Internet Options command> a dialogue box appears;

iii. Click on the Programs tab; and then click on the Make default button;

iv. Click OK;

This will make Internet Explorer default browser.

20. What are bookmarks?

In the context of World Wide Web, bookmarks are Uniform Resource Identifier (URI) to websites that makes easy to get back to that website.

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