MODEL ANSWER SHEET

Example code:

(a) URL vs E-mail address:

• URL (Uniform Resource Locator) is the address of a resource on the Web, e.g. https://www.cbse.gov.in. It is typed in a web browser to open a webpage.
• E-mail address is used for sending and receiving e-mails, e.g. student123@gmail.com. It is used in an e-mail client, not in a browser address bar.

OR
(b) Newsgroup vs Blog:

• Newsgroup is an online discussion group where users post messages to a common group (usually topic-wise, like forums/Usenet).
• Blog is a personal / organizational webpage where posts or articles are published in reverse chronological order and visitors can read or comment.

A hypertext link (hyperlink) is a clickable text or image that takes the user to another webpage, document or location when clicked.

Tag name: <a> (anchor tag)

Syntax:

• <tr> (table row) is used to define a row in a table.
• <td> (table data) is used to define a cell (data) inside a row.

Example:

The Internet is a global network of interconnected computers that communicate using standard protocols.

Two uses in daily life:

• Sending and receiving e-mails, instant messages, video calls.
• Accessing information and services such as online banking, shopping, education, entertainment.

Difference between Internet and WWW:

• The Internet is the physical network infrastructure (cables, routers, computers, etc.) that connects millions of devices.
• The World Wide Web is a service running on the Internet that consists of interlinked web pages accessed via web browsers using HTTP/HTTPS.

e-learning (electronic learning) is a method of learning where teaching-learning takes place using electronic media, especially the Internet (online courses, videos, presentations, etc.).

Merits (any two):

• Flexibility: Learners can access lessons anytime from anywhere at their own pace.
• Rich content: It can include videos, animations, quizzes and simulations which make learning more engaging and effective.
• Cost-effective: Reduces travel and printed material cost.

Web browser vs Web server:

• Role: A web browser is client-side software used to view web pages (e.g. Google Chrome, Mozilla Firefox), whereas a web server is a computer/software that stores websites and delivers web pages to browsers (e.g. Apache, IIS).
• Location: Browser is installed on the user’s device, while the web server runs on a remote server machine in a data centre.

OR – 3G vs 4G:

• Speed: 3G provides lower data speed suitable for basic browsing and SD video; 4G offers much higher speed that supports HD video streaming and fast downloads.
• Technology / services: 4G supports advanced services like high-quality video calls, online gaming and better VoIP quality compared to 3G.

(i) For an online meeting where he can see and talk to clients, he should use a video conferencing service such as Zoom / Google Meet / Microsoft Teams.

(ii) When Mr. Pritish sends an e-mail, the main protocol involved in sending the mail is SMTP (Simple Mail Transfer Protocol).

(iii) To send high-security documents using a file transfer application, the protocol should be SFTP – Secure File Transfer Protocol (secure version of FTP).

(iv) To research latest accounting trends by locating sites online, he should use a search engine (for example, Google, Bing).

(v) When Joseph sends a link containing important company files, Mr. Harish should click the link in his web browser (and, if required, log in) to access or download the files.

A sample HTML code satisfying the specifications (proper structure, heading, LightCyan background, 4×4 table with rowspan and colspan) is: (Exam-এ শুধু given figure অনুযায়ী cell-এর text ও rowspan/colspan adjust করবে, কিন্তু overall structure এই রকমই থাকবে।)