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Solutions for Computer Applications, Class 10, CBSE
The acronym SSH stands for ............... .
Secure Shell
Reason — The acronym SSH stands for Secure Shell.
Which of the following is an example of social networking website?
Facebook.com
Reason — Facebook.com is an example of social networking website.
M in HTML stands for:
Markup
Reason — HTML stands for HyperText Markup Language.
A ............... is an online journal or informational website run by an individual, group, or corporation that offers regularly updated content about a topic.
Blog
Reason — A blog is an online journal or informational website run by an individual, group, or corporation that offers regularly updated content about a topic.
Which of the following is not a valid value for the target attribute of <a> tag?
_bottom
Reason — The target attribute specifies where to open the linked document and _bottom is not a valid value for this attribute.
link, vlink, alink are attributes of ............... tag.
<body>
Reason — link, vlink, alink are attributes of <body> tag.
The ............... attribute of <img> tag specifies an alternate text for an image, if the image cannot be displayed.
alt
Reason — The alt attribute of <img> tag specifies an alternate text for an image, if the image cannot be displayed.
Which of the following tag can be used to draw a horizontal line in webpage?
<hr>
Reason — <hr> tag can be used to draw a horizontal line in a webpage.
In HTML, <dl>, <dd> and <dt> tags are used to create:
Description list
Reason — In HTML, <dl>, <dd> and <dt> tags are used to create description list.
A software ............... is a legal instrument governing the use or redistribution of software.
license
Reason — A software license is a legal instrument governing the use or redistribution of software.
Assertion (A): Search engine is a hardware device that searches for any websites on the World Wide Web.
Reason (R): Google Search and Microsoft's Bing are two popular search engines.
Assertion (A) is false and Reason (R) is true.
Reason — Assertion (A) is false because a Search engine is a software or program that searches for any websites on the World Wide Web.
Reason (R) is true as Google Search and Microsoft's Bing are two popular search engines.
Assertion (A): CSS saves a lot of work. It can control the layout of multiple web pages all at once.
Reason (R): All the required style settings can be stored in an external stylesheet and a link to it can be added in the <head> section of each web page.
Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
Reason — Assertion (A) is true as CSS can indeed save a lot of work by allowing us to apply consistent styles to multiple web pages simultaneously.
Reason (R) is true as an external style sheet can be linked in the <head> section of each web page. Linking saves time on the part of the website developer.
Write any two points of comparison in between SMS and MMS.
| SMS | MMS |
|---|---|
| SMS stands for Short Message Service. | MMS stands for Multimedia Messaging Service. |
| SMS does not support multimedia content and it allows to send only text messages of upto 160 characters. | MMS supports multimedia content and allows to send images and videos along with text. |
What is e-Learning? Mention its two main advantages.
Electronic Learning refers to a wide range of applications and processes, designed to provide guidance and/or deliver information to students, faculties, or employees of the companies through electronic means.
Two main advantages of e-Learning are:
Briefly discuss the role of e-governance in any country's growth and development.
E-governance enhances transparency, efficiency, and accessibility in government services. It fosters economic growth by reducing corruption, streamlining processes, and promoting citizen engagement, ultimately contributing to a country's overall development and progress.
Compare 3G and 4G mobile technologies on any two major points.
| 3G | 4G |
|---|---|
| A 3G network offers slower data speed of upto 2 Mbps. | A 4G network offers faster data speed of upto 100 Mbps to 1 Gbps. |
| 3G uses a packet switching technique. | 4G uses message and packet switching technique. |
Which software are termed as open-source software? Name any two such software.
Open source software is the software, whose source code is freely available and which can be copied, modified and redistributed as well.
Two open-source softwares are Linux and Mozilla Firefox.
What do you understand by the term Intellectual property right? Discuss briefly.
Intellectual property rights are the rights given to persons over the creations of their minds. They usually give the creator an exclusive right over the use of his/her creation for a certain period of time. These rights can be exercised in the form of software patents, software copyright or trademark.
Mention any two purposes of using comments while designing a HTML webpage.
Two purposes of using comments while designing a HTML webpage are:
Twisha has got confused with a few tags and their attributes. Help her match the tag with correct attribute.
| 1. <font> | i. align |
| 2. <a> | ii. face |
| 3. <h1> | iii. colspan |
| 4. <td> | iv. href |
| 1. <font> | ii. face |
| 2. <a> | iv. href |
| 3. <h1> | i. align |
| 4. <td> | iii. colspan |
Mention any two attributes of <font> tag along with their purposes.
Two attributes of <font> tag are as follows:
Write suitable html statements to display the following text on a webpage in appropriate subscript and superscript form:
a. CO2
b. X2
a. CO<sub>2</sub>
b. X<sup>2</sup>
Ronaldo, a web designer in a start-up company, wants to give headings in a webpage through <h1> tag. Additionally, he wants to implement following styles on all the <h1> tag of the same webpage at one go.
He is not able to implement the above-mentioned additional styles of <h1> tag through regular html code. Suggest him a way out and also help him in writing the code for same.
Ronaldo should use CSS (Cascading Style Sheets) to implement the additional styles of <h1> tag.
The HTML code for the same is given below:
<html>
<head>
<style>
h1 {color: blue; background-color: yellow; border: 2px solid red;}
</style>
</head>
</html>
<body>
<h1>
Welcome
</h1>
</body>Rajat, a web developer, wants to show a video named "tiger.mp4" in dimensions of 300px width and 200px height on the web page. Help Rajat by writing its html code.
The HTML code to add video to the web page is as follows:
<video width = "300" height = "200" controls>
<source src = "tiger.mp4" type = "video/mp4">
Your browser does not support the video tag.
</video>Abhilasha has just designed a web page. At the end of the web page, she wants to insert an image "next.jpg".
She needs to link another web page with this image, i.e., whenever anyone click on the image "next.jpg", another web page named "second.html" should open. Help her in writing the code to achieve it.
Note: Assume that image and both the web pages are stored in the same folder.
Abhilasha can insert the below HTML code at the end of the web page just before the closing body tag — </body>
<a href = "second.html">
<img src = "next.jpg" alt = "Next Page">
</a>
Write HTML code to design the content of the web page in the form of lists as shown below:
<HTML>
<BODY>
<P> STREAM WISE CAREER OPTIONS </P>
<UL TYPE = "SQUARE">
<LI> Science
<OL TYPE = "a">
<LI> Engineering </LI>
<LI> Medical </LI>
<LI> Research </LI>
</OL>
</LI>
<LI> Commerce </LI>
<LI>Humanities </LI>
</UL>
</BODY>
</HTML>What do you understand by the term "Digital Divide"? Mention any two measures to overcome it.
A digital divide is an economic and social inequality with regard to access to, use of, or impact of Information and Communication Technology (ICT) including smartphones, tablets, laptops, and the internet in the society.
Two measures to overcome digital divide are as follows:
Customer Analytics firm needs to design a survey form as shown below:
Write the suitable HTML code to design it.
<HTML>
<BODY>
<FORM>
Name:
<INPUT TYPE = "TEXT" NAME = "CANDIDATE NAME" SIZE = "30">
<BR>
City:
<BR>
<SELECT NAME = "CITY" SIZE = "3">
<OPTION VALUE = "New Delhi">
New Delhi
</OPTION>
<OPTION VALUE = "Chennai">
Chennai
</OPTION>
<OPTION VALUE = "Hyderabad">
Hyderabad
</OPTION>
</SELECT>
<BR>
Hobby:
<BR>
<LABEL FOR = "CB1">Reading</LABEL>
<INPUT TYPE = "CHECKBOX" ID = "CB1" NAME = "C1" VALUE = "Reading">
<LABEL FOR = "CB2">Writing</LABEL>
<INPUT TYPE = "CHECKBOX" ID = "CB2" NAME = "C2" VALUE = "Writing">
<BR>
<LABEL FOR = "CB3">Singing</LABEL>
<INPUT TYPE = "CHECKBOX" ID = "CB3" NAME = "C3" VALUE = "Singing">
<LABEL FOR = "CB4">Dancing</LABEL>
<INPUT TYPE = "CHECKBOX" ID = "CB4" NAME = "C4" VALUE = "Dancing">
</FORM>
</BODY>
</HTML>Observe the screenshot of the given web page:
Write suitable HTML code to design it.
<HTML>
<BODY>
<TABLE BORDER = "1">
<TR>
<TH COLSPAN = "3">SKILL WORKSHOPS</TH>
</TR>
<TR>
<TH>SNO</TH>
<TH>SKILL</TH>
<TH>DAYS</TH>
</TR>
<TR>
<TD>1</TD>
<TD>Communication Skills</TD>
<TD>Monday, Wednesday</TD>
</TR>
<TR>
<TD>2</TD>
<TD>Art, Craft</TD>
<TD>Tuesday, Friday</TD>
</TR>
<TR>
<TD>3</TD>
<TD>Personality Development </TD>
<TD>Wednesday, Saturday</TD>
</TR>
</TABLE>
</BODY>
</HTML>Case Study 1
Sanchay, has recently joined the Global Network company as a network trainee. Help Sanchay by suggesting the best suitable answers for the following issues which needs to be resolved:
a. Company wants to engage employees in some online fun filled activities to strengthen their inter-personal skills. Suggest any two popular video conferencing software to be used for the same.
b. Company wants employees to upgrade themselves by exploring internet about latest happenings in the networking field. Suggest any two suitable web browsers for the same.
c. Sometimes few of the employee needs to remotely login to their office PC from their home. Suggest any one popular software and the protocol being used for the same.
d. Company wants its employees to be safe while entering their login credentials and bank account details on the internet. Out of http and https, which protocols should be preferred and why?
a. Two popular video conferencing softwares are:
b. Two suitable web browsers are:
c. AnyDesk software and Telnet protocol.
d. https should be preferred as it establishes a secure connection for encrypted data transmission between the server and the browser.
Case Study 2
It is an era of Internet and we as a netizen spend most of our time in the cyber world. Saumya, a class X student, is new to the cyber world. Help her in the following:
a. Suggest any two netiquettes, which she should follow in order to become a good netizen.
b. As the last day was approaching, so one of her friends has just submitted the science project by copying and pasting from the internet, without even acknowledging the original source. Is this the right act or wrong? Name the term which is being used for this act.
c. E-commerce is growing exponentially and so is the risk involved in it. Mention any two common E-commerce frauds in order to make Saumya aware about it.
d. Suggest her any two precautions to be taken while using E-commerce.
a. Two netiquettes, which Saumya should follow in order to become a good netizen are:
b. The act is wrong. It is termed as Plagiarism.
c. Two common E-commerce frauds are:
d. Two precautions to be taken while using E-commerce are: