Punjab School Education Board

Class 10 Computer Science (2025-26)

Dear students. In this article, you can practice of all the lessons of computer science of Class 10. You can note the exercise of these lessons by clicking on the links of the relevant lessons given below.

    Computer Science

    Class :- 10th

    Lesson – 1 Office Tools

    Multiple Choice Questions.

    1.Which of the following is an example of office tools?

    a) MS Word b) Google Slides c) MS PowerPoint d) All of the above

    2.Which of the following is an example of word-processor?

    a) Google Docs b) Google Sheets c) Google Drive d) MS Excel

    3. Which of the following is not an example of Google's online office tools?

    a) Google Slides b) Google Docs c) OpenOffice Writer d) Google Sheets

    4. Which software is designed to operate, control and enhance the processing capabilities of a computer?

    a) Application software b) System software c) Google's online office tools d) All of the above

    5. ____ are a group of programs that enable a user to perform a specific task?

    a) Software b) Hardware c) Language translators d) Programming languages

    6. After setting the “Anyone with the link” option, which of the following access levels can we set using the drop-down menu to share a file created in Google Docs?

    a) Viewer b) Commenter c) Editor c) All of the above

    Fill in the blanks.

    1. Application software is also called ______.

    Answer:- End-user application

    2. System software is usually written in ______ level computer programming languages.

    Answer:- Low-level

    3. Different types of office tools fall under the category of ______ software.

    Answer:- Application

    4. ______ is a software that allows tabular data to be easily processed and analyzed.

    Answer:- Spreadsheet software

    5. ______ is a free online word processor.

    Answer:- Google Docs

    Short answer questions.

    Question 1. Define office tools?

    Answer:- Office tools software are programs that help the user create things like documents, databases, graphics, worksheets and presentations. Many office tools are used for commercial purposes.

    Question 2. What are application software?

    Answer:- Application software is software that is directly related to the user and is designed with a specific task in mind, on which the user can do his/her essential work. Application software is called end-user software, on which the user can do his required work, such as word processor program for typing and editing, Adobe Photoshop for photo editing, Tally software for accounting work etc.

    Question 3. Write some examples of word processor tools?

    Answer:- Examples of some word processor tools are as follows:-

    1. MS Word:-

    2. WordPad

    3. Word Perfect

    4. Google Docs

    5. OpenOffice Writer

    Question 4. Write about multimedia tools?

    Answer:- Multimedia is made up of more than one media. Multimedia has 5 main elements: text, picture, audio, video and animation. Multimedia software helps the user to create audio/video files using these elements. Media player and Real Player are examples of multimedia tools.

    Question 5. Describe Google Docs?

    Answer:- Google Docs is a free online word processor, created by Google. Google Docs is a web-based document management application for creating, sharing, importing and editing documents. Google Docs can be used on both computers and mobiles, and it works like MS Word and can be used by both personal and business users. Files created in Google Docs can be exported to all major file formats .doc, .pdf, .docx, .rar, .txt and .html. The file created in Google Docs is automatically saved, and we can use Google Docs both online and offline.

    Questions with long answers.

    Question 1. What are software? Describe the different types of software?

    Answer:- A series of instructions is called a program and a series of programs is called software, software is used to perform certain tasks for the user and to operate the computer. It is through software that all the devices of the computer system can be instructed, what to do and how to do a task. Hardware and software work together to complete any task and without software, no work can be done by the user on the computer.

    Software is of two types:- 1. System software 2. Application software

    1. System software is the software that manages and controls the hardware of the computer and because of this, the application software is able to work in the computer. System software is directly related to the hardware and it works by directly communicating with the hardware and interpreting the user's language and instructions to the computer hardware. System software is the first layer of software after the computer hardware, which coordinates between the user and the computer system. Without system software, a computer is just a piece of hardware, which is difficult to use. System software is written in low-level computer programming languages ​​such as assembly languages, and these low-level programming languages ​​have the ability to communicate with hardware at a basic level. Some examples of system software are firmware, operating systems, utility software, device drivers, language translators, etc.

    2. Application software is the software that is directly related to the user and which is made keeping in mind a specific task, on which the user can do his necessary work. Application software is called end-user software, on which the user can do his necessary work, such as word processor program for typing and editing, Adobe Photoshop for photo editing, tele software for accounting work, etc.

    Question 2. Write the advantages and disadvantages of using online office tools?

    Answer:- Advantages of using online office tools:-

    1. Online office tools can be used by the user without any cost if there is a computer and internet connection.

    2. Online tools do not need to be downloaded or installed in the computer.

    3. Online office tools can be run on any computer with minimum hardware requirements.

    4. Files created in online office tools can also be shared

    5. Online office tools are used as software as a service, so there is no need to purchase or upgrade them.

    6. The biggest advantage of online tools is that they are portable, and they can be viewed and edited from any computer device with the help of the internet.

    7. Documents created through online tools are stored securely on a remote server.

    Disadvantages of online office tools:-

    1. To access online tools, the related apps require connectivity to a remote server or network, and if the network is not available, the contents of the apps cannot be used.

    2. High-speed internet connection is required to use online tools, otherwise the user faces difficulty in using these apps.

    3. Online tools have fewer advanced features compared to offline tools.

    4. Online office tools require a subscription fee to use them for a long time, which can sometimes be more than the purchase price of offline office tools.

    5. When a new update comes in the software, the user has to use the software with the new update, whether the user likes it or not.

    6. In online office tools, the user has to depend on the service provider for the security and privacy of his documents.

    Question 3. Compare offline and online office tools?

    Answer:- The comparison of offline and online office tools is as follows:

    Offline office tools Online office tools

    1. No internet connection is required to use offline office tools. 1. Internet connection is required to use online office tools.

    2. Files created in offline office tools are stored in the local storage of the computer system. 2. Files created in online office tools are stored in cloud storage

    3. Files in offline office tools can be used only in the computer where they are stored. 3. Since the files in online office tools are on the online server, they can be used from any corner of the world.

    4. Files cannot be shared directly in offline office tools, for this third-party tools have to be used. 4. Files in online office tools can be stored on online storage media and can be shared and used anywhere in the world.

    5. More than one person cannot work on files created in offline office tools at a time. 5. More than one person can work on files created in online office tools at a time.

    6. Examples of offline office tools are MS Word, Excel, PowerPoint etc. 6. Examples of online office tools are Google Docs, Google Sheets, Google Slides.

     

    Lesson – 2 HTML Part-1

    Multiple Choice Questions.

    1. _____ is a collection of websites or web pages.

    a) World Wide Web b) Web sites c) HTML d) Hypertext

    2. ___ is the text that contains links to other web pages?

    a) Static text b) Hypertext c) Plain text d) All of the above

    3. To view the output of an HTML program, we have to open that document in ___?

    a) Text editor b) Word processor c) File explorer d) Web browser

    4. _____ is used to provide more information about HTML tags.

    a) Paired tags b) Unpaired tags c) Meta-data d) Attributes

    5. _____ tag is used in a web page to scroll text and images etc.

    a) <title> b) <center> c) <marquee> d) <sup>

    Fill in the blanks.

    1. Paired tags are also called ____ tags.

    Answer:- Container tags

    2. The ____ section contains all the content that is displayed to the user on the webpage.

    Answer:- Body

    3. The <!DOCTYPE html> tag describes the ____ of HTML.

    Answer:- Version 5

    4. The __________ tag is used to insert a single line break.

    Answer:- <br>

    5. The ________ attribute is used to insert a subscript in a document.

    Answer:- <sub>

    6. The ________ attribute is used to set an image on the background of a document.

    Answer:- background

    Write the full forms of the following HTML tags.

    1. <b> : (Bold)

    2. <I> : (Italic)

    3. <u> : (Underline)

    4. <s> : (Strikethrough)

    5. <p> : (Paragraph)

    6. <tt> :  (Teletype Text)

    7. <hr> : (Horizontal Ruler)

    8. <br> : (Break Line)

    9. <sup : (Superscript)

    10. <sub> : (Subscript)

    Short answer questions.

    Question: 1. What is HTML?

    Answer: The full name of HTML is Hyper Text Markup Language, and it is used to design webpages. HTML provides us with a means to create web pages with text, lists, images, video, audio, tables, frames, forms, headings, etc. Everything that appears in an HTML web page is done through special commands, which are called tags. HTML allows us to create both simple and advanced types of web pages.

    Question: 2. Write the names of the software used for HTML programming?

    Answer: The names of the software used for HTML programming are as follows:-

    1. Text editor (Notepad jW Notepad++)

    2. Web browser (Google chrome, Mozilla firefox, Opera)

    Question: 3. What are attributes?

    Answer: An attribute indicates a property of a tag, and attributes are used to provide more information about the tags. Attributes are part of the opening tag of elements, and the types of attributes depend on the tag being used.

    Example: <p align=“center”>This is a Sample Paragraph.</p>

    Question: 4. Write the names of any 5 tags used for formatting in HTML?

    Answer: The names of any 5 tags used for formatting in HTML are as follows:-

    1. bold<b>

    2. Italic<i>

    3. Underline<u>

    4. Strikethrough<s>

    5. Font<font>

    Question: 5. How can you scroll text and images in an HTML document?

    Answer: The <marquee> tag is used to move or animate text or images from left to right, right to left, top to bottom or bottom to top. The <marquee> tag is a paired tag and after defining it, its closing tag also has to be written.

    Example:- <marquee>Text/Object</marquee>

    Long Answer Questions.

    Question:1 What are tags? Describe the two different types of tags used in HTML?

    Answer: HTML is a tag-based language, and they are also called elements, which are predefined. Tags are a special type of instructions used to design web pages in HTML documents. Each element in HTML documents begins with an opening angle bracket (<) and ends with a closing angle bracket (>). If the text is not defined in a tag, it appears as plain text. Tags instruct the web page how to format and display the content of the web page. HTML Syntax: An HTML tag has three parts.

    HTML tags are of two types:-

    1. Paired tags 2. Unpaired tags

    1. Paired tags: Paired tags are also called container or companion tags, they have three parts: first the opening tag which starts with the name <tag>, second the content on which the tag is to be applied and third the closing tag which ends with </tag>. Example: <u>Sample Text</u>

    2. Unpaired tags:- Unpaired tags are also called singular, empty or blank tags and they have only one opening tag, because they do not contain any content or text. Empty tags do not have any closing tags. Example: <hr>, <br> etc.

    Question:2 How do you work with fonts in an HTML document?

    Answer: Font refers to the predefined style (texture) and size of the text, which helps in formatting our data in the web page. The four main attributes of the font tag are given below:

    1. Font style:- Font style can be changed in three ways, bold, italic, and underline.

    2. Font Face:- Through font face we can change the font of the text. Example: <font face=“Arial”>Computer Science</font>

    3. Font color:- Through font color we can change the color of the text. Example: <font color=“red”>Computer Science</font>

    4. Font Size:- The font size attribute is used to increase the size of the text. In this, the size of the text can be increased from 1 to 7 values. Example: <Font size=“2”>Computer Science</Font>

    Question:3 Describe the body part of an HTML document? How will you format it?

    Answer: The attribute of the <body> tag is used to format the body of an HTML document. Through these attributes we can change both the color of the text and the background color, we can also set an image on the background.

    Now let us learn about formatting through some of the main attributes of the body tag:-

    1. Background:- Through the background attribute, we can set an image as the background of our HTML document by writing its full URL.

    2. Bgcolor:- Through the bgcolor attribute, we can set the background color of our HTML document.

    3. Link:- Through the link attribute, we can change the color of the unvisited link of our HTML document.

    4. Text:- Through the text attribute, we can change the color of the text of the HTML document.