Ch 9 | Grade 4| What does data do

Ch 9| Forecasting from Data |Grade 5th

How broadband work? How DSL works?

📶 DSL (Digital Subscriber Line)

1. DSL uses existing telephone lines to deliver internet.

2. It allows both internet and phone calls on the same line.

3. A splitter separates the voice and data signals.

4. Speed depends on the distance from the telephone exchange.

5. It's faster than dial-up but slower than fibre.

🌐 Broadband

1. Broadband is high-speed internet with a wide bandwidth.

2. It includes DSL, cable, fibre, and satellite connections.

3. It allows multiple devices to stay online at once.

4. Speeds are usually consistent and fast.

5. It’s always on—no need to dial in like older connections.

🔌 Fibre Optics

1. Fibre optic cables carry data as light signals.

2. They offer ultra-fast and reliable internet.

3. Made of thin glass or plastic strands.

4. Not affected by electrical interference.

5. Perfect for high-speed video, gaming, and downloads.

📡 Router

1. A router connects your home devices to the internet.

2. It sends data between your devices and the modem.

3. Wireless routers provide Wi-Fi access.

4. It can connect multiple devices at once.

5. Often includes security features like firewalls.

How Internet Works

HOW ROUTER WORKS

1. The router is connected to the internet through a modem.

2. It takes the internet signal and shares it with devices.

3. It decides which device gets which part of the data—like sorting snacks into lunchboxes.

4. It keeps data flowing smoothly so no one gets left behind.

Why computer only understand 0 and 1

Computers only understand 0 and 1 because their internal components, mainly transistors, can be in just two states: on (represented as 1) or off (represented as 0). This binary system makes it simple and highly reliable to represent, store, and process information electronically using distinct voltage levels

3rd Ch 4 Mother Tongue of Computer

FILL IN THE BLANKS" 

An algorithm is a set of stepwise instructions to finish a task.

A computer can understand machine language.

An algorithm written by humans for a computer is called program.

Programmers instruct computers in programming language.

Machine language is also known as binary language.

General-Purpose Programming Languages

General-Purpose Programming Languages

1. Python – Easy syntax, data science, AI, web apps.

2. Java – Cross-platform apps, Android development.

3. C++ – High-performance apps, games, system software.

4. C – Operating systems, embedded systems.

5. C# – Windows apps, Unity game development.

6. Go (Golang) – Scalable servers and systems.

7. Rust – Safe and fast systems programming.

How to install an app

Open the Play Store (Android) or App Store (iPhone) on your smartphone.

Search for the app you want, then tap "Install" or "Get" to download it.

working of ISP

An ISP (Internet Service Provider) connects people to the internet using wires like cables or fiber, or through wireless signals.

The ISP sends and receives data between your device and the internet, allowing you to browse websites and use online services

Starlink Internet

Starlink gives internet using satellites in space that send signals to a special dish at your home.

The dish connects with the satellites, which send your messages to ground stations and bring back information from the internet quickly.

class 3 Ch 3 Network of Networks

*FILL IN THE BLANKS:*

1. ISP stands for *Internet Service Provider*.

2. *Modem* brings the internet from ISPs to our homes.

3. The interconnected network of computers is also known as a *network/internet*.

*DESCRIPTIVE QUESTIONS:*

1. ISPs (Internet Service Providers) are companies that provide internet access to homes and businesses by connecting users to the internet using various technologies such as broadband, DSL, or fiber optics.

2. A modem connects your home to the internet, while a router distributes that connection to various devices within your home wirelessly or with wires.

3. Without internet, you won’t be able to stream videos, browse websites, access emails, use social media, play online games, or attend online classes.

4. Manoj could use his smartphone’s mobile data for internet access during his trip, as it allows him to stay connected even without traditional broadband.

class 4 Ch 3 Language of the internet

1. Explain webpage, website, and world wide web using an analogy.

Ans -A webpage is like one page in a book.

A website is like the whole book made of many pages.

The World Wide Web is like a big library that has all the books (websites) on the internet.

2. Explain how the worid wide web is different from the internet.

Ans- The Internet is the network of computers connected all over the world.

The World Wide Web is a part of the internet that has websites and webpages we can see using a browser.

3.Write down the keywords which should be used effectively search about the

foillowing information from a search engine:

A Finding out how the weather will be the next day

Ans- 1. Weather forecast

2. Temperature

3. Rainfall

4. Humidity

5. Wind speed

6. Cloudy

7. Sunny

8. Storm

9. Snowfall (for cold places)

10. Weather report

B. Result of football world cup final in 1986

Ans- 1986

2. Football World Cup

3. Final match

4. Argentina

5. West Germany

6. Winner

7. Score

8. 3–2

9. Mexico (host country)

10. Diego Maradona

C. Names of the various vacines developed to prevent CoVid-19

Ans- 1. COVID-19

2. Vaccine

3. Covaxin

4. Covishield

5. Sputnik V

6. Pfizer

7. Moderna

8. Johnson & Johnson

9. Prevention

10. Immunity

4. Write down the differences between browser and search engine.

Ans- Browser is a software application used to access and view websites (e.g., Chrome, Firefox).

Search Engine is a website that helps you find information on the internet (e.g., Google, Bing).

5.List the steps ivolved when we access a website.

Ans- 1. Type the website URL in the browser’s address bar.

2. Browser sends a request to the web server, and the server responds by sending the website data to the browser for display.

Class 5 – Computer Worksheet

Class 5 – Computer Worksheet

Maximum Marks: 30

Name: ____________

Date: ____________

Section A: Animation and Special Effects in LibreOffice Impress (5 Marks)

Q1. Fill in the blanks. (3 Marks)

1. The tool used to add movement to text and objects in LibreOffice Impress is called __________.

2. The shortcut key to start a slideshow is __________.

3. The __________ option is used to add sound effects to a presentation.

Q2. Match the following. (2 Marks)

Section B: Introduction to LibreOffice Calc (5 Marks)

Q3. Tick (✓) the correct statements. (3 Marks)

1. LibreOffice Calc is used to create presentations. ( )

2. A spreadsheet consists of rows and columns. ( )

3. The formula bar is used to enter data in cells. ( )

Q4. Answer in one word. (2 Marks)

1. The intersection of a row and a column is called a __________.

2. The symbol used to start a formula in Calc is __________.

Section C: More on Internet (5 Marks)

Q5. Fill in the blanks. (3 Marks)

1. The full form of URL is __________.

2. A web browser is used to access __________.

3. __________ is an example of a search engine.

Q6. True or False. (2 Marks)

1. The Internet can be used for online shopping. ( )

2. A modem is not required to connect to the Internet. ( )

Section D: Data Processing (5 Marks)

Q7. Arrange the steps of data processing in the correct order. (3 Marks)

(Write numbers 1 to 4 in the correct order.)

( ) Processing the data

( ) Inputting data into a computer

( ) Producing meaningful results

( ) Storing the processed data

Q8. Identify the devices used for data processing. (2 Marks)

(Tick ✓ the correct ones.)

1. CPU ( )

2. Keyboard ( )

3. Monitor ( )

4. Scanner ( )

Section E: Programming in Scratch (5 Marks)

Q9. Match the Scratch blocks with their functions. (3 Marks)

Q10. Solve the riddle. (2 Marks)

I help you create games and fun,

Drag and drop, and your code is done.

What am I? ______________

Section F: Concept of Smart Living (5 Marks)

Q11. Tick (✓) the smart devices used in daily life. (3 Marks)

1. Smart TV ( )

2. Washing Machine ( )

3. Smart Doorbell ( )

4. Bicycle ( )

Q12. True or False. (2 Marks)

1. AI-powered devices can control home appliances. ( )

2. A typewriter is an example of a smart device. ( )

Total Marks: ____ /30

Class 4 – Computer Worksheet

Class 4 – Computer Worksheet

Maximum Marks: 30

Name: ____________

Date: ____________

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Section A: Introduction to LibreOffice Impress (5 Marks)

Q1. Fill in the blanks. (3 Marks)

1. LibreOffice Impress is used to create __________.

2. The shortcut key to start a slideshow is __________.

3. The __________ view is used to design slides.

Q2. Match the following. (2 Marks)

Section B: Introduction to Internet (5 Marks)

Q3. Tick (✓) the correct statements. (3 Marks)

1. The Internet is used to send emails. ( )

2. We can watch movies on the Internet. ( )

3. The Internet cannot be used for learning. ( )

Q4. Answer in one word. (2 Marks)

1. The full form of URL is __________.

2. Google Chrome is an example of a __________.

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Section C: More on Scratch (5 Marks)

Q5. Fill in the blanks. (3 Marks)

1. The __________ block makes a sprite speak.

2. The __________ block is used to repeat actions.

3. In Scratch, we can create __________ using code blocks.

Q6. Identify and name the Scratch blocks. (2 Marks)

Draw or paste pictures of a loop block and a sound block, and write their names below them.

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Section D: Visual Processing (5 Marks)

Q7. Find the odd one out. (3 Marks)

1. Camera, Microphone, Scanner, Keyboard → __________

2. Eyes, Ears, Hands, Webcam → __________

3. AI, Human Brain, Mouse, Computer Vision → __________

Q8. True or False. (2 Marks)

1. AI can recognize images using visual processing. ( )

2. A scanner is not a visual input device. ( )

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Section E: Evolution of AI (10 Marks)

Q9. Match the AI technology with its application. (4 Marks)

Q10. Solve the riddle. (3 Marks)

I can see and understand faces too,

Find objects and match them for you.

What am I? ______________

Q11. Tick (✓) the correct AI applications. (3 Marks)

1. Google Assistant ( )

2. Typewriter ( )

3. Alexa ( )

4. Bicycle ( )

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Total Marks: ____ /30

Class 3 – Computer Worksheet

Maximum Marks: 30
Name: ____________
Date: ____________

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Section A: Fun with Tux Paint (5 Marks)

Q1. Fill in the blanks. (3 Marks)

1. The tool used to draw in Tux Paint is called __________.
2. The shortcut to open Tux Paint is __________.
3. The __________ tool is used to erase parts of a drawing.

Q2. Match the tools with their uses. (2 Marks)

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Section B: Stepwise Thinking (5 Marks)

Q3. Arrange the steps in the correct order. (3 Marks)
(Write numbers 1 to 4 in the correct order.)

( ) Open a paint program.
( ) Click on the brush tool.
( ) Start drawing.
( ) Save the drawing.

Q4. Tick (✓) the correct statements. (2 Marks)

1. Stepwise thinking helps in solving problems easily. ( )
2. Computers do not follow stepwise instructions. ( )
3. Writing a recipe is an example of stepwise thinking. ( )

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Section C: Introduction to Scratch (5 Marks)

Q5. Answer in one word. (3 Marks)

1. Scratch is a __________ programming language for kids.
2. The character in Scratch is called __________.
3. The area where we create programs in Scratch is called the __________.

Q6. Identify and name the Scratch blocks. (2 Marks)
Draw or paste pictures of a motion block and an event block and write their names below them.

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Section D: Introduction to Scratch (continued) (5 Marks)

Q7. Fill in the blanks. (3 Marks)

1. The __________ block is used to move a sprite.
2. The __________ block is used to start a program.
3. In Scratch, we can make a sprite __________ and __________. (Two actions)

Q8. True or False. (2 Marks)

1. Scratch is used to create animations. ( )
2. Sprites cannot move in Scratch. ( )

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Section E: AI-Enabled Devices (10 Marks)

Q9. Identify the AI-enabled devices. (3 Marks)
(Tick ✓ the correct ones.)

1. Smartwatch ( )
2. Wooden Chair ( )
3. Self-driving Car ( )
4. Television ( )

Q10. Match the AI devices with their uses. (4 Marks)

Q11. Solve the riddle. (3 Marks)
I can recognize faces and talk to you,
Ask me a question, and I’ll help you too.
What am I? ______________

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