Class 10 Computer Application: CBSE Sample Question Paper- Term II (2021-22) - 2 | CBSE Sample Papers For Class 10 PDF Download

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General Instructions:
Read the following instructions very carefully and strictly follow them:

1. The Question Paper contains three sections A, B and C. Each section is compulsory.
2. Section A has 4 questions of short answer type. Each question is of 2 marks. Internal choice is provided in 1 question.
3. Section B has 3 questions of Long Answer Type-I (LA-I). Each question is of 3 marks. Internal choice is provided in 1 question.
4. Section C has 2 questions of Long Answer Type-II (LA-II). Each question is of 4 marks.

Q.1. Define valign attribute of <TD> tag? Also, write the code to align the contents of the cell to the top.

The HTML <td> valign Attribute is used to specify the vertical alignment of text content in a cell.
Syntax:
<td valign="top | middle | bottom | baseline">
Attribute Value:
top: It sets the content to top-align.
middle: It sets the content to middle-align.
bottom: It sets the content to bottom-align.
baseline: It sets the content to baseline. The baseline is the line where most of the characters sit.
Code: <TD VALIGN="TOP">

Q.2. Write two advantages of 4G over 3G Mobile communication technologies in terms of speed and services.

OR

What is the difference between TCP and IP?

Speed: 4G offers speed of more than 100 Mbps while 3G around 3 Mbps.
Services: It can priorities services to offer flawless performance.
Ex: VoIP is prioritized over other data to offer flawless calling experience.
OR
TCP breaks the data into packets that the network can handle while IP handles the address part and makes sure the packet reaches to the right destination.

Q.3. Name the following with respect to HTML.
(i) Attribute for changing the alignment of table,
(ii) Element to create a hyperlink

(i) align attribute
(ii) <A> tag

Q.4. How will you create an email link?

We can create an e-mail link on web page. The browser will read an e-mail link, using the value starting with "mailto:" rather than http://, with an e-mail address rather than a web address.
The syntax is given below:
<A href="mailto:yourusername@emailaccountname.com">e-mail the username</ A>

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Section - B

Q.5. Explain WLL.

(i) Wireless Local Loop (WLL) is a term for the use of a wireless communications link for delivering Plain Old Telephone Service (POTS) and/or broadband internet to telecommunications customers.
(ii) This is simply a wireless connection of a telephone in a home or office to a fixed telephone network. Using industry technology, it is an implementation of subscriber loops to connect devices over a multiple access radio system to the Public Switched Telephone Network (PSTN).
(iii) It differs from a standard local loop in that the connection to the telephone system is made wirelessly instead of with cables.

Q.6. What is a network protocol? Explain.

A network protocol is a set of rules for communication among networking devices. The Internet Protocol (IP) is the method for sending data from one device to another across the internet. Every device has an IP address that uniquely identifies it and enables it to communicate with and exchange data with other devices connected to the internet.
IP is responsible for defining how applications and devices exchange packets of data with each other. It is the principal communications protocol responsible for the formats and rules for exchanging data and messages between computers on a single network or several internet-connected networks.

Q.7. Write a short note on the generations of mobile technologies.

OR

Define Internet and write its two uses in our daily life. How is it different from the World Wide Web (WWW).

(i) 1G (First Generation) was introduced in 1980 and was based on narrow band analog cellular technology. It used circuit switching and only voice calls were available. It used radio waves for transmission.
(ii) 2G (Second Generation) was introduced in 1990s and was based on GSM technology. It used circuit switching but provided paging, SMS, voicemail and fax services.
(iii) The 3G (Third Generation) systems are also known as Universal Mobile Telecommunications System (UMTS) as they have a single network standard. 3G mobiles use both circuit and packet switched networks. It allows video, audio and graphics applications.
(iv) 4G (Fourth Generation) systems provide speed of upto 100 Mbps and prioritize services. Ex: All resources are allocated to video calls to enhance the quality of the service.
OR
Internet: The Internet is a worldwide network that links many smaller computer-networks.
Uses of the Internet
(i) e-learning
(ii) e-commerce
Difference between the internet and www:

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Section - C

Q.8. Read the case study given below and attempt any 4 sub-questions (out of 5). 
Mr. Harish, an accountant, works in an IT firm and due to the pandemic, has been asked to work from home. He has set up his online office at his home. He has purchased a laptop, web camera and other accessories. Now he has started working from home and performs his various duties online.
(i) Mr. Harish wants to hold an online meeting with the company's client such that he can interact as well as see them. Which web service should he avail?
(ii) Mr. Pritish sends an email to Harish requesting him to prepare the balance sheet. Which network protocol is involved during this email communication?
(iii) The company's financial head needs to send some high security documents to Mr. Harish. He uses an application which supports the protocol.
(iv) In order to gather some information on latest accounting trends, Mr. Harish has to do some research. He can do this by locating sites online using a.
(v) Joseph, the company secretary sends a link to Mr. Harish which contains important company files. What should he do in order to access the files?

(i) Video conferencing such as Skype, Zoom etc
(ii) SMTP(Simple Mail Transfer Protocol) and POP(Post Office Protocol)
(iii) SSH(Secure Shell)
(iv) Search engine/web browser
(v) Download the files from the link

Q.9. Write the HTML code to design the web page as shown below, considering the specifications as given below. Students can write code for any 4 specifications out of the given 5 specifications.
Specification-1: The HTML code structure should be proper. Heading 'HTML TABLE' should be the first level of heading and Background color of the page should be Light Cyan.
Specification-2: The value of the table border attribute should be 1. Table header tag should be used wherever required.
Specification-3: The table should exactly contain 4 rows and 4 columns. The data in each cell should be as shown in the above table.
Specification-4: Attribute rowspan should be used wherever required.
Specification-5: Attribute colspan should be used wherever required.

<html>
<head>
</head>
<body bgcolor="LightCyan">
<h1>HTML TABLE</h1>
<table border="1">
<tr>
<th>Roll Number</th>
<th>First Name</th>
<th>Last Name</th>
<th>Class</th>
</tr>
<tr>
<td>1</td>
<td>FN1</td>
<td>LN1</td>
<td>12th</td>
</tr>
<tr>
<td>2</td>
<td>FN2</td>
<td>LN2</td>
<td rowspan="2">11th</td>
</tr>
<tr> <td>3</td>
<td colspan="2">FN3 LN3</td>
</tr>
</table>
</body>
<html>