Model Answer Sheet

Computer Applications (Code 165) – Class X – Session 2024-25
Sample Question Paper – Full Solution (Sections A to E)

SECTION – A (MCQ – 1 Mark Each)

Q. No.	Correct Answer / Explanation
1	C. SCP – Secure Copy Protocol is used to securely copy files between two servers or connected machines over the Internet.
2	D. www.flipkart.com – Flipkart is an e-commerce website, not an e-governance project.
3	A. <strong> – Besides <b>, <strong> is also used to make text bold (semantically strong).
4	C. Simple Mail Transfer Protocol is the full form of SMTP.
5	C. VoIP – Voice over Internet Protocol is used for video/audio conferencing among multiple participants.
6	C. Both a and b. – A website may consist of static as well as dynamic web pages.
7	B. <OL> – Ordered List tag is used to create numbered lists in HTML.
8	C. Downloading – Making a copy of your webpage or file from the Internet to your computer is called downloading.
9	D. TELNET – Used to remotely access or log in to a distant computer.
10	B. span {font-weight:bold} – This CSS rule makes all <span> elements bold.
11	Assertion: A set of rules, used over networks, is called a protocol. (True) Reason: HTML is an example of a protocol. (False) Correct option: C – Assertion is true, Reason is false.
12	Assertion: Chat and e-mail are live/real time conversation. (False – e-mail is not real-time.) Reason: We have to be online in both. (True – to send them.) Correct option: D – Assertion is false, Reason is true.

SECTION – B (2 Marks Questions)

Q13. Mishika wants to use a software but does not want to pay for it. Which type of software can she use? Give one example.

She can use Freeware software.
Example: Adobe Acrobat Reader, Skype, Google Chrome etc.

Q14(A). Write any two differences between e-Banking and e-Commerce.

e-Banking	e-Commerce
Provides banking services online such as balance enquiry, funds transfer, bill payments, etc.	Involves online buying and selling of goods and services.
Limited to financial/banking transactions.	Covers a wide range of products and services like books, clothes, electronics etc.

Q14(B). What is e-learning? Name any one e-learning platform. (Alternative to Q14(A))

e-Learning is a mode of learning in which teaching–learning takes place using electronic media, especially the Internet (online courses, videos, quizzes etc.).

Example of e-learning platform: SWAYAM, BYJU’S, Khan Academy, Coursera (any one).

Q15. State whether the following statements are True or False.

I) HTML file extension is .tml. → False (It is .html or .htm)
II) Rowspan attribute is used to make a cell span multiple rows. → True
III) Unordered list type creates a bulleted list. → True
IV) HREF stands for hyper reference. → False (It stands for Hypertext Reference)

Q16(A). Your friend has created a webpage at URL: www.children.com/india/~abc.html. Write HTML code to create a link to this webpage from your webpage.

Example HTML code:

<a href="https://www.children.com/india/~abc.html">

  Visit my friend's page</a>

Q16(B). (Alternative)
I) Write HTML code to display a horizontal line of red colour.
II) Write HTML code to create a paragraph whose text colour is blue.

II)

<p style="color:blue;">This is a blue paragraph.</p>

Q17. What is the purpose of HTML forms? Write HTML code to create a textbox in an HTML form.

Purpose of HTML forms: Forms are used to collect input from users (such as name, email, feedback) and send this data to a web server for processing.

HTML code for a textbox in a form:

<form action="submit.php" method="post">

  Name: <input type="text" name="username">

</form>

Q18(A). Complete the CSS code as per the given specifications.

Filled code:

<head>

<style>

body { background-color: blue; } <!-- line 1 -->

p { 

  color: green; <!-- line 2 -->

  font-family: Dotum; <!-- line 3 -->

}

h1 <!-- line 4 -->

{

  color: black;

}

</style>

</head>

Line 1: background colour of page → background-color
Line 2: colour of paragraph text → color
Line 3: font family of paragraph text → font-family
Line 4: biggest heading → selector h1

Q18(B). Fill in the blanks in Hemant’s HTML code so that the webpage displays correctly.

Correct fillings:
Line 1: </h1>
Line 2: face="Times New Roman"
Line 3: </li>
Line 4: </ul>

Completed code (for reference):

<html>

<body bgcolor="yellow">

<h1>My First Heading </h1> <!-- line 1 -->

<p>

<font color="red" size="5" face="Times New Roman"> <!-- line 2 -->

SOME STATES IN INDIA</font>

</p>

<ul>

  <li>DELHI</li> <!-- line 3 -->

  <li>MUMBAI</li>

</ul> <!-- line 4 -->

</body>

</html>

Q19. Write any two differences between SMS and MMS.

Content: SMS (Short Message Service) is mainly for text messages only, whereas MMS (Multimedia Messaging Service) can include images, audio, video, and longer text.
Data size and cost: MMS messages are larger in size and generally cost more than simple SMS messages.

SECTION – C (3 Marks Questions)

Q20. The following HTML statements are not written properly. Rewrite with corrections.

I. Desired: Page background colour should be red.
Wrong: <BODY color="red">
Correct:

II. Desired: Type of font should be Arial.
Wrong: <FONT type="arial">
Correct:

III. Desired: Image source should be img_girl.jpg, width and height both should be 500.
Wrong: <img source="img_girl.jpg" size="500" height="600">
Correct:

Q21. Consider the URL: https://www.cbse.gov.in and answer the questions.

(i) Component that identifies the protocol: https
(ii) Significance of 's' in https: It stands for secure, indicating that the connection is encrypted using SSL/TLS.
(iii) URL → Uniform Resource Locator, WWW → World Wide Web.

Q22(A). Write any two ways to add an audio file in a webpage using HTML with sample code.

Method 1 – Using <audio> tag with src attribute:

Method 2 – Using <audio> with <source> inside:

<audio controls>

  <source src="song.mp3" type="audio/mpeg">

  Your browser does not support the audio element.

</audio>

Q22(B). (Alternative) Write any two ways to add a video file in a webpage using HTML with sample code.

Method 1 – Using <video> tag with src:

Method 2 – Using <video> with <source> element:

<video width="320" height="240" controls>

  <source src="movie.mp4" type="video/mp4">

  Your browser does not support the video tag.

</video>

Q23. Write suitable HTML statements to display the following on a webpage:
I) NH₃
II) X³
III) (A+B)³

NH<sub>3</sub><br>

X<sup>3</sup><br>

(A+B)<sup>3</sup>

SECTION – D (4 Marks Question)

Q24. (A/B) Write the HTML code to design the given webpage layouts.

As the exact layout image may vary, sample HTML code for a table-based layout (Option B) is given below as a reference (border=2, height=100, width=300, cellpadding=20):

<html>

<body>

<table border="2" width="300" height="100" cellpadding="20">

  <tr>

    <td>Row 1, Column 1</td>

    <td>Row 1, Column 2</td>

  </tr>

  <tr>

    <td>Row 2, Column 1</td>

    <td>Row 2, Column 2</td>

  </tr>

</table>

</body>

</html>

(You can adjust cell text according to the exact design asked in the question.)

SECTION – E (Case Study Based Questions)

Q25. Case: Mr. Anek from a village faces issues after online shopping and data misuse.

(i) Mr. Anek is a victim of online fraud / cyber fraud (online shopping fraud).
(ii) His privacy / personal data is compromised.
(iii) While filling details online, he should have checked https (secure protocol / lock icon) in the URL.
(iv) This incident will be recognised as a case of cybercrime.

Q26. Case: Shresth wants to take quotes and literature from the Internet to write an article.

(i) If he copies the work directly, he will face the ethical issue of plagiarism.
(ii) Yes, this can be considered an example of Intellectual Property Rights (IPR) violation because he is using others’ work without permission or credit.
(iii) He can avoid this issue by using his own words, taking information only as reference, and giving proper citation/credit to the original authors or using content that is free to use (like Creative Commons with attribution).
(iv) Two netiquettes his classmates must be aware of:
- Respect copyright; do not copy–paste others’ work and claim it as your own.
- Always acknowledge sources and give proper credit; follow honest and polite behaviour while using online resources.

Note: This model answer sheet is meant for study and revision purposes only. Students should understand the concepts and write answers in their own words in examinations.