Students must start practicing the questions from CBSE Sample Papers for Class 10 Computer Applications with Solutions Set 4 are designed as per the revised syllabus.
CBSE Sample Papers for Class 10 Computer Applications Set 4 with Solutions
Time Allowed: 2 Hours
Maximum Marks: 50
General Instructions:
Read the following instructions very carefully and strictly follow them:
- This question paper contains two parts A and B. Each part is compulsory.
- Part A carries 20 marks while Part B carries 30 marks.
- Part A consists of Very Short Answer Type and Case-based MCQ Questions and Part B is Descriptive Paper.
- Both Part A and Part B have choices.
Part A
- It consists of two sections -1 and II.
- Section I has 13 questions of Very Short Answer Type. An examinee is to attempt any 10 out of 13 questions.
- Section II has two case studies. Each case study has 7 case-based sub-parts. An examinee is to attempt any 5 out of 7 sub -parts.
PartB
- Question nos. 16 to 20 are Short Answer Type (SA-I) questions of 2 marks each, Question nos. 21 to 25 are Short Answer Type (SA-II) questions of 3 marks each and Question no. 26 is Long Answer Type question of 5 marks.
- Internal choise is provided in 1 question of 2 marks, 1 question of 3 marks and 1 question of 5 marks.
PART – A
SECTION – I (10 Marks)
(This section consists of 13 questions of Very Short Answer Type. Question nos. 9 to 13 are of’fill in the blank’ type. Fill the blank with the most appropriate answer. Attempt any 10 questions from Question nos. 1 to 13.)
Question 1.
Write the name of any two attributes of <Font> tag. [1]
Answer:
face and size
Explanation: face attribute is used to change the style of the text and size attribute is used to change the font size.
<font> tag is used to change the style, size and colour of the text. It can take three attributes face, size and colour. Colour attribute is used to change the colour of the text. Multiple font names can be provided as value to the face attribute. The browser will check the first available font and render the text in it. Size of the font can be a value between 1-7 or can be given as relative value. Colour of the text can be specified as RGB value or by a colour name.
Caution: If no font name is specified or matching font is not found the browser renders it in the default font. The <font> tag changes the appearance of a very short segment of text.
Question 2.
Ms. Nidhi is designing a web-page for her Primary section. She wants that the written text should appear in white colour on blue colour background of the web-page. Suggest her suitable tag and attribute for the same. [1]
Answer:
Ms. Nidhi should use the <body> tag with bgcolor and text attributes.
Explanation: <body> tag encloses the web page content. Its bgcolor and text attributes are used to define the background colour and text colour of the web page.
Other attributes of <body> tag are :
Background – to specify an image as background
Alink: – to specify colour of the active link
Vlink – to specify colour of the visited link
Topmargin – to specify the space to be left from top of the page
Leftmargin – to specify the space to be left from left of the page
Caution: If the image to be displayed as background is small the browser repeats it multiple times to cover the entire browser window.
Question 3.
Mention any two accepted values of type attribute of <UL> tag. [1]
Answer:
Two accepted values of type attribute of <ul> tag are “circle” and “square”.
Explanation: <ul> tag defines a bulleted list. Its type attribute defines the type of bullet.
“disc” is the default value of the type attribute of the <ul> tag. It displays a solid circle, “circle” will give a hollow circle and “square” will give a solid square.
Question 4.
Name the HTML tag to display the text in the given format: H<sub>2</sub>O. [1]
Answer:
<sub>
Explanation: To display text lower than the normal line of text subscript tag <sub> is used.
superscript tag <sup> is used to display the text a little above the normal line of display.
Caution: <sub> and <sup> are container tags, so the text enclosed between the opening and the closing tags will be displayed as subscript or superscript.
Question 5.
Name any two attributes of <IMG> tag. [1]
Answer:
src and alt
Explanation: <img> tag is used to display an image on the web page. Its src attribute is used to specify the URL of the image to be displayed and alt attribute specifies the alternate text to be displayed if the image display is not possible.
Some other attributes of the <img> tag are
align – It specifies the alignment of the image.
Height – It specifies the height of the image displayed.
Width – It specifies the width of the image displayed.
Caution: The value of alt attribute is given in double quotes. Internet Explorer displays the alt text as tooltip. For other browsers title attribute is used to display the tooltip. Align attribute is not supported in HTML 5.
Question 6.
Which tag is used to define the title of a web document? [1]
Answer:
<title>
Explanation: title of a web document is the text displayed in the title bar of the web browser when the web page is loaded. <title> tag is a structural tag that is used to define the basic structure of an html document.
Question 7.
What is the extension of HTML document? [1]
Answer:
extension of htmi document is .html.
Explanation: A HTML document can be created using html editors like Frontpage or Frontpage Express or simple text editors notepad.
Question 8.
The <bold> tag of HTML specifies bold text on a web-page. Is this statement true or false? [1]
Answer:
False
Explanation: To make text bold it is enclosed in <b> </b>tag.
to make text italicized <i>…</i> tag is used and to underline a text it is enclosed in <u>….</u> tag.
Question 9.
The …………… tag inserts a single line break. [1]
Answer:
<br>
Explanation: <br> is used to introduce a line break. It is an empty tag.
Question 10.
…………… attribute of <A> tag is used to redirect the user to an email address instead of a link. [1]
Answer:
’’mailto: e-mail address’’
Explanation: href attribute is used to redirect to a referenced document, but mailto is called using anchor to an email address. The web client on the user’s system opens up with e-mail address as specified in href attribute.
Question 11.
HTML headings are defined with the <h1> to …………… tags. [1]
Answer:
<h6>
Explanation: html supports six levels of headings from <hl> to <h6>. <hl> being the top most level heading and <h6> the last level heading.
Question 12.
<DL> stands for …………… . [1]
Answer:
Definition List
Explanation: <dl> is definition list and is used to give description or definition of a term. It has two child elements <dt>(definition term) and <dd> (definition description).
HTML supports three different types of lists i.e unordered (<UL>), ordered(<OL>) and definition(<DL>).
Question 13.
In ordered list, by default the list items will be marked with …………… . [1]
Answer:
numbers.
Explanation: by default ordered lists are marked with decimal numbers 1,2,3, if no type attribute or start attribute is specified.
SECTION – II (10 Marks)
(Both the case study based questions are compulsory. Attempt any 5 questions (out of 7 questions) from each case study. Each question carries 1 mark.)
Question 14.
INTERNET
The Internet is the global network of computing devices including desktop, laptop, servers, tablets, mobile phones, other handheld devices, printers, scanners, routers, switches, gateways, etc. Computers are either connected to a modem through a cable or wireless (Wi-Fi). That modem, be it wired or wireless, is connected to a local Internet Service Provider (ISP) who then connects to a national network. Many such ISPs connect together forming a regional network and regional networks connect together forming a national network, and such country-wise networks form the Internet backbone.
(A) The term ‘Network of Networks’ is associated with: [1]
(a) Bignet
(b) Internet
(c) Web-net
(d) Globalent
Answer:
(b) Internet
Explanation: Internet is an INTERnational NETwork that connects various computing devices and small networks of computing devices.
(B) The Internet is ……….. [1]
(a) World Wide Web
(b) Collection of numerous computers spread across the world
(c) National
(d) Both (A) and (B)
Answer:
(b) Collection of numerous computers spread across the world
Explanation: World Wide Web is a network of resources available on the internet. Internet is an international network of computers spread across the – world.
(C) A web browser is a: [1]
(a) Software program required to view www documents
(b) Hardware tool required to view www documents
(c) Software program required to connect to the MODEM
(d) Hardware tool required to connect to the MODEM
Answer:
(a) software program required to view www documents.
Explanation: A web browser is a software program on a client computer that sends a request to the server for a service to which server responds by sending the required data.
(D) The role of ISP is [1]
(a) To make sure that you can access the internet
(b) To manage WWW
(c) To get website designed as per your requirement
(d) All of the above
Answer:
(a) To make sure that you can access the internet.
Explanation: ISP or Internet Service Provider is a company that provides an internet connection.
(E) A MODEM is a [1]
(a) Software
(b) Hardware
(c) Network
(d) Web
Answer:
(b) Hardware
Explanation: MODEM is Modulator DeModulator. To send a digital signal over a telephone line it needs to be converted into an analog signaL at the sender’s end ( called modulation). At the receiving end the anaLog signal received must be converted into digital form to be accepted by the computer (called demodulation). MODEM is a device that does both modulation and demodulation.
(F) The service provided by the Internet is. [1]
(a) Email
(b) Instant messaging
(c) Shopping
(d) All of the above
Answer:
(d) All of the above
Explanation: Internet provides many services like email, e-commerce, chatting, instant messaging, e-learning etc.
(G) The basic requirements for connecting to the Internet are. [1]
(a) Computing Device and Networking Device like MODEM
(b) Connection through ISP
(c) Only (A)
(d) Both (A) and (B)
Answer:
(d) Both (A) and (B)
Explanation: to connect to the Internet we require a computing device, a connection from the ISP and a modem that can convert the signals to transmit them over the communication channel.
Question 15.
Web Services
Any service that can be offered and availed electronically through World Wide Web, is known as Web service. The popular electronic mediums that we are using are telephone, call center services, mobile phone, television or Internet. The rise in the usage of smartphones has ensured the maximization of availing facilities and services using Internet. The Internet has played a significant role in revolutionizing web services.
(A) The example(s) of web service(s) is/are. [1]
(a) Chat
(b) E-mail
(c) Video conferencing
(d) All of the above
Answer:
(d) All of the above
(B) ‘e’ in ‘e-Learning’ stands for. [1]
(a) Electrical
(b) Electronic
(c) Easy
(d) Everywhere
Answer:
(b) Electronic
Explanation: Since e-learning is a learning done with the help of electronic devices so e here is for electronic.
(C) One of the major disadvantages of e-Learning is. [1]
(a) It’s very costly
(b) It’s only available at certain hours of the day
(c) e-Learning lacks face-to-face com-munication
(d) It’s not time effcient
Answer:
(c) e-learning lacks face to face communication.
Explanation: In e-learning learner and instructors participate in the. process from their respective locations so it lacks face to face communication.
(D) DigiLocker facility comes under. [1]
(a) e-Banking
(b) e-Governance
(c) e-Shopping
(d) e-Reservation
Answer:
(b) e-Governance
Explanation: Digi Locker is a cloud based service provided by the Governement wherin the users can upload their important documents such as drivers license, vehicle registration and other such documents in electronic forms and can access them anytime,, from anywhere.
(E) The advantage(s) of e-Governance is/ are: [1]
(a) Transparency
(b) Speedy services
(c) Cost saving
(d) All of the above
Answer:
(d) all of the above
Explanation: e-governance is the application of ICT in governance with an aim to provide speedy and cost effective services. The transparency is also increased.
(F) Pick the odd one out [1]
(a) Amazon
(b) Flipkart
(c) Instagram
(d) Snapdeal
Answer:
(c) Instagram
Explanation: Amazon, Flipkart and Snapdeal are e-shopping websites, whereas Instagram is a social networking site.
Shopping of goods and services carried out through internet is termed os e-shopping. A social networking site is the one which provides venue for the peole to share their photos, views and activities with family, friends etc. and also to make new connections.
(G) is related to: [1]
(a) e-Learning
(b) e-Reservation
(c) e-Banking
(d) All of the above
Answer:
(b) e-Reservation
Explanation: is the website of Indian Railways catering and Tourism corporation that provides ticketing services for Indian Railways.
PART – B (30 Marks)
(All questions are compulsory. In case of internal choices, attempt any one.)
Question 16.
Ms. Sharda, a class X student, has just started using software on her newly purchased PC. She is confused on how does software licensing work. Help her by explaining it briefly. [2]
Answer:
A software license is an agreement on the terms and conditions for the use of a software. It provides end users right to use multiple copies of a software without violating the copyright. It also imposes some responsibilities on the parties entering the agreement on how the software can be used.
Question 17.
Discuss briefly the purpose of SMTP and POP3. [2]
Answer:
SMTP is Simple Mail Transfer Protocol.
It is the protocol used for sending and distributing mails over the internet. It sends commands to the mail server and the mail server responds by sending the mail to the recipient.
POP3 is Post Office Protocol version3. It is the standard mail protocol that fetches mail from the remote server to the local mail client. Mails are downloaded on our computer using the POP3 protocol.
Question 18.
Som, a website designer, is designing a webpage to spread awareness against COVID-19. He needs to embed a video in the webpage to make the content of the webpage more interesting. Is it possible to embed a video in the webpage? If yes, then give the HTML code for the same. [2]
Answer:
Yes, it is possible to embed a video in a web page.
Code:
<video>
<source src = “covidl9.mp4” type=”video/ mp4’’>
The video format not supported.
</video>
Question 19.
Vikram is designing a website for his school’s upcoming sports day function. While linking various pages of the website, he wants that all the hyperlinked text should appear in red colour. Help him by suggesting suitable tag and attribute along with sample HTML code for the same. [2]
Answer:
Vikram should use link attribute in the <body> tag.
Code:
<html> <head> <title> Annual Sports Day 2023 </title> </head> <body link =”red’’> <h1> Annual Sports Day 2023</h1> <ul type =”square”> <li> <a href =’’chairman.htmr> Chair¬man’s Message</ax/li> <li> <a href=""events.html"> Events </ ax/li> </ul> </body> </html>
Question 20.
Explain the term digital property rights briefly.
OR
What are the most common types of e-commerce frauds? Discuss briefly. [2]
Answer:
Digital Property refers to the information about an individual or created by him that exists in digital form. Digital Property Rights grant the ownership right of such digital property to the person who created it or has got it developed. It also grants the owner of the digital property right to decide who and to what extent can use his digital assets.
OR
Some of the most common types of e-commerce frauds are credit card frauds, identity theft, non delivery of goods etc. In credit card frauds the credit card details of a person are stolen and then fraudulent payments are done with help of those details. In identity theft the fraudester gets someone eles’s personal details, like login id and password of the e-commerce website account and buys products in his name and identity.
Question 21.
Discuss the significances of background- colour property of Cascading style sheets with the help of suitable HTML code. [3]
Answer:
The background-colour property of cascading style sheets is used to provide background colour to the text displayed by a selector. The following example shows the use of background-color property to change the background-colour of the table to brown.
Code:
<html>
<head>
<style type =”text/css”>
Table{background-color=”brown”;}
</style>
</head>
<body>
<h1> The Table </h1>
<table>
<tr>
<th>R1C1</th>
<th>R1C2</th>
<tr>
<tr>
<th>R2C1</th>
<th>R2C2</th>
<tr>
</table>
</body>
</html>
Question 22.
What is the purpose of HTML forms? Write the HTML code to create a text box in the HTML form. [3]
Answer:
HTML forms ore used to collect input from the visitors and send them to a program for processing.
Code for text box:
Name: <input type = “text” name=name>
Question 23.
What do you understand by the term secure data transmission? Mention any two main points to ensure secure data transmission in e-commerce. [3]
Answer:
Secure Data Transmission is a technique that defines safeguards to transmit sensitive data to its target without being compromised in between. To ensure secure data transmission following can be applied.
- SSL secure data transmission. SSL or secure socket layer is o standard security protocol that ensures that all the data transmitted between the server and browser is encrypted and safe.
- Dato encryption. Data encryption ensures that the data transmitted over internet is safe.
- Using safe protocols. Using protocols that use safëty shells such as SSH ensures safety of the data being transferred. Eg. Use HTTPS or FTPS protocols for websites and fiLe transfer respectively. (Any two)
Question 24.
Which software will be called open-source software? Mention any two popular open- source software. [3]
Answer:
A software whose source code is available for modification and redistribution and the user can use it in any way or for any purpose is called an Open Source Software.
A software can be classified as open source software if
- It is available for free or at o very low cost
- Its source code is available for modification and redistribution by anyone.
An open source software that is available free is called a Freeware.
Eg. Unix and MYSQL are two most popularly used Open Source software.
Question 25.
How is SMS different from MMS? Explain.
OR
What is a search engine? Discuss its role in WWW. [3]
Answer:
SMS is Short Message Service and MMS is MuLti Media Service. SMS and MMS both are services available over cellular networks. White SMS is used for text messages. MMS is used to send and receive multimedia messages. A SMS message cannot be longer than 160 characters. Longer text messages are automatically broken into multiple messages. Any cellular device can be used to send a SMS while to send MMS a multimedia enabled device is required.
OR
A Search engine is a program which is used to search for the required information through the database of web pages. Eg. Google, Ask and yahoo search. WWW is a world wide network of electronic documents. It is very difficult to find our required web page from the web. A search engine heLps us by finding the web pages for us. When we enter a keyword related to the information we are seeking, the search algorithm of the search engine searches its database and then displays the matching documents or web pages.
To create the database a search engine uses a program called web crawler, which combs the internet Looking for documents and their web addresses. This performs a methodical search to find the information. The List of documents and their web addresses collected by the web crawler are sent to the indexing software which extracts
information from these documents and web addresses and prepares an index of it and stores it in a database.
Question 26.
Sahil, a class X student, needs to design a webpage as shown below, to create an image gallery of last three Presidents of India along with some basic information, as a part of his Social Science project: [5]
LAST THREE PRESIDENTS OF INDIA
Write the HTML code to design the above shown webpage considering the specifications as given below:
- Arrange the content of the webpage in table form, in which the heading should be spread in the first row, three images should be in placed in three separate cells of the second row and their related information in three separate cells of the third row.
- All the text should be centre aligned.
- Text “LAST THREE PRESIDENTS OF INDIA” should be in main heading form (first level of heading).
OR
Discuss the significance of table tag of HTML briefly. Name the attributes to merge three cells horizontally in the same row as a single cell. Also give suitable HTML code to achieve the same.
Answer:
<html> <head> <title> Social science Project </title> </head> <body> <table border =1> <tr> <th colspan=3> <h1 align=center> LAST THREE PRESIDENTS OF INDIA </h1> </th> </tr> <tr> <td> <mg src=smt pali jpg> </td> <img src=”shpmukherjee.jpg> </td> <td> <img src=shrnkovind.jpg> </td> <tr> <tr align = center> <td > Smt. Pratibha Singh Patit <br> 2007-2012 </td > <td> Late Shree Pranab Mukherjee <br> 2012-20 17 </td> <td>Sh Ram Nath Kavind <br> 2017- Till now </td> </tr> </table> </body> </html>
OR
<table> tag in HTML is used to dispta information in the form of tabLes. Tables are helpful to organize the information in a precise format. A table in Html is divided into rows and celLs. Each individual cell displays the information.
To merge three oeils in a row coispan attribute is used in <td> sub tag of the table tag.
Code to merge three ceLLs of a row into one is <td colspan=3>
