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INSIDE THE SERIES
INSIDE THE SERIES
The key features of the series have been designed to ensure better learning, assessment and evaluation.
Learning Resources
When these two begin to contact the persons who are further in contact with other people, then the Notes
number of people in relationship increases. For example, if A is in contact with B and A is also in contact
with C, and if B comes in contact with C, then it forms a network.
The users must be cautious as some users of a site may not upload the correct profile or true information
This section contains additional
Notes
On WWW, there are many social networking sites that provide different ways for users to interact, such information to enrich the subject.
as through e-mails, comments, sharing photographs, instant messaging, etc. Networking between two
about themselves.
people on Internet takes place only when the users from both the end confirm in order to be included as
Social networking web sites are being used regularly by millions of people. Some of them are: Whatsapp,
a part of a link with each other.
Facebook, Twitter, Linkedin, Skype, Instagram, etc.
In social networking site, a user creates his own profile by uploading information about himself. In social launched in 1991.
network, it may be possible that the two people in network might not know each other personally, they
may know each other only on the basis of their profile which has been uploaded by themselves.
Do you know?
If there is one technology to name that has revolutionized the way people are contacting or communicating web page is generally contained in a website and constitutes as a source of information that floats on the
Web Page
MOBILE TECHNOLOGIES
with each other in the last 20 years, it must be ‘Mobile Cellular Technology’.
The communication through mobile cellular began during 1980. Since then mobile technology has
Tim Berners-Lee had created the first website. Its URL is http://info.cern.ch. The first online website was
undergone considerable changes and has resulted into portable mobile communication and smartphones
that have become very popular in last few years.
A web page is a document of information that can be accessed and viewed through a web browser. A
world wide web. The information is usually coded in HTML. Web pages may be retrieved from a local host
computer or from a remote computer with the help of the Internet. Web pages are requested and served
Do you Know? from a web server using protocols like Hyper Text Transfer Protocol (HTTP).
This reform has been due to requirement of upgraded service compatible transmission technology and This section contains a
to meet higher expectations and very high increase in telecom customers. Portable devices have been in
fact about the topic.
process of huge changes. The data transfer or download speed varies with the congestion of the network
Touchpad Computer Applications-X
36 Web pages may contain information in the form of text, images, pictures, sound, audio, video, etc.
Web pages may consist of static pages (which are stored within a file system of a web server) and/or
dynamic pages (which contain files of run-time nature i.e., which facilitates online data transformation).
Web Browser
electronic pages that could be displayed on the Internet.
HTML is used to publish web pages. A web page is designed by web developers with the help of markup
languages like HTML. It is not technically a programming language but it was developed to create
to display the page.
A web browser is an application software that helps a user to navigate through different websites on the
Internet and display web pages. The user requests a page from a web server with the help of web browser.
After receiving the request through the web browser, the web server makes it available for a web browser
14 ‘Google Chrome’, ‘Microsoft Edge’, ‘Lynx’ (Text only mode web browser), etc.
Web browsers can also display animated images, play sound and video, provide secure connections and
much more. Some common web browsers are ‘Internet Explorer’, ‘Mozilla Firefox’, ‘Opera’, ‘Apple Safari’,
Touchpad Computer Applications-X
Subject Enrichment
Glossary
Attribute: An attribute is a property that provides some additional information about a tag. It
<P> TAG: Paragraph tag is used to begin a paragraph in a web page. Glossary
BACKGROUND COLOR: The Background Color property of style sheet is used to change the
1. Attribute: An attribute is a property that provides some additional information about a tag.
2. enhances the functionality of a tag. This section contains
3. BGCOLOR Attribute: This attribute of <BODY> tag is used to set the background colour of the
Checkbox: A checkbox is like a toggle switch where users can select a desired choice by clicking on
4. background colour of an element. definition of common terms.
displayed screen.
5. Cellpadding: This attribute is used to specify the space between grid line and content in the cell.
Container Tag: The tags which are used in pairs are called ‘Container Tags’.
6. Comments: Comments are used to add remarks to the programs created in any language.
11. CSS Float: The ‘float’ property is used for positioning and formatting content. It wraps the text
7. the checkbox.
8. 10. Corporate Blogs: Blogs can be uploaded for business or commercial purposes. Digital Signature: Digital signature ensures the authenticity of the information. A digital signature
12. CSS FONT: CSS font property is used to define the font, size and the style of the text. Some of the
9.
13. CSS MARGINS: CSS ‘margin’ properties enable to create space around an HTML element, outside
commonly used font properties are font-family, font-style, font-size, etc.
around the images.
14. CSS OUTLINE: An outline is a line that is drawn around elements, to make the element “stand out”.
15. CSS: ‘Cascading Style Sheet’ is simple design language which enables to simplify the process of
Major Security Measures are:
16. e -Group: It refers to the group of people who are in correspondence (in touch) with each other via
any border.
Auditability: Data should be recorded in such a way that it can be audited for integrity requirements.
17. E-commerce: It refers to the buying or selling of goods or services over the Internet.
making web pages.
18. e-Governance: e-Governance (Electronic Governance) refers to the application of Information and
Internet, on the topics of common interest.
Communication Technology (ICT) tools for delivering the services of government.
receiver can decrypt the data with the help of secret codes.
Encryption: It is a very effective and practical way to safeguard the data being transmitted over the
19. e-Learning: It refers to the application of Internet media in the field of education and learning.
20. Element: It refers to different sections that include opening or closing tag and the content within it.
network. Sender of the information encrypts the data using a secret code and only the specified
devices.
21. e-Mail: Electronic mail is a mailing service provided by the Internet by which one can send messages
website.
is an e-signature authenticated through encryption and password that are uploaded through data
23. e-Reservation: Reservation means to purchase rights for the usage of a facility or some service for
22. Empty Tag: Empty tags are the standalone tags which are not used in pair.
to any person around the world through computer.
Recap Zone
Security Certificates: Security certificate is a unique digital ID that is used to verify the identity of a
24. Ethics: The word ‘Ethics’ signifies the approach, behaviour or principle that a person must follow to
a specified and limited period of time i.e., to reserve a right temporarily.
application or resources of Internet.
keep or maintain reasonable justice for implied morality in the society.
26. Freeware: Software that can be used without paying any price i.e., which is free of any charge are
25. Footer: It is the bottom part of the body of an HTML document.
followed by the users of the Internet.
Ð ‘Cyber Ethics’ is an ethical approach or responsibility that should be followed while using the
e-mails.
Ð Netiquette (net + etiquette) can be defined as the behavior or informal guidelines that are
real time.
termed as freeware.
Ð E-mail netiquettes are the basic etiquettes and courtesy that should be followed while sending
Touchpad Computer Applications-X Ð ‘Intellectual Property Right’ is the legal right that covers the privileges of an individual who has
Ð Software License is the authorization to use a software.
Ð Chat and Instant Messaging (IM) are Internet features that allow users to interact with people in
his work.
152 created or invented something with his own intellectual ability or creativity and is the owner of
one’s own work.
Ð Plagiarism is the act of copying someone else’s work and publishing and proprieting it as if it is
of his digital property.
Ð ‘Digital Property Right’ is the legal right that covers the privileges of an individual for the security
Ð Freedom of Information is the right to obtain information from any public authority by making
Recap Zone Ð Digital divide is a term that refers to the gap between those who have access to the resources
Department specifying the particulars of the information sought by him.
a request in writing or through electronic means, to the concerned Information Officer or
This section contains Ð e-Commerce, also known as electronic commerce or Internet commerce, refers to the buying or
selling of goods or services over the Internet.
of modern information and communications technology, and those that have restricted access.
summary of the chapter.
140 Touchpad Information Technology-X

