Class 4 Computer Networks Worksheet

How this worksheet helps your child

• Builds confidence in core Computer Science concepts taught in Class 4 through repeated, varied practice.
• Aligned to CBSE and NCERT — questions mirror the pattern children see in school tests and unit assessments.
• Comes with an answer key so parents and students can self-check in minutes, without needing a teacher.
• Pitched at hard level — use it for daily homework, weekend revision or quick exam warm-ups.

About this worksheet

This comprehensive practice worksheet on Computer Networks for Class 4 students, aligned with the CBSE curriculum, is designed to challenge and deepen understanding of key networking concepts. It's tailored for young learners who have already grasped the basics and are ready to explore more advanced aspects of how computers communicate. Covering essential topics such as the Internet, Intranet, LAN, WAN, Modems, Routers, and Email, this worksheet will help students solidify their knowledge and build a strong foundation in computer science. It is particularly beneficial for students aiming to excel in their studies and for parents and teachers looking for challenging material to extend learning beyond the textbook. Mastering these concepts is crucial in today's digitally connected world, making this a valuable resource for enhancing digital literacy.

What your child will learn

• Identify and differentiate between the Internet and Intranet.
• Recognise the characteristics and applications of Local Area Networks (LAN) and Wide Area Networks (WAN).
• Understand the functions of essential networking devices like Modems and Routers.
• Explain the basic process of sending and receiving emails.
• Apply their knowledge to answer challenging questions related to computer network components.

Understanding the concept

Imagine a world where all your computers, phones, and even smart home devices can talk to each other and share information. That's what computer networks do! A computer network is simply a group of interconnected computers that can share data and resources with each other. Think of it like a community where everyone can communicate. There are different types of these communities. A Local Area Network (LAN) is like the network inside your home or school office, connecting devices over a small area. A Wide Area Network (WAN) is much bigger, connecting computers across cities, countries, or even the world – the Internet is the largest WAN! To connect to these networks, we use special devices. A Modem helps your computer talk to the internet service provider, while a Router directs all the data traffic within your home network, making sure information goes to the right device. Email, or electronic mail, is a fantastic way to send messages, photos, and documents instantly across these networks to anyone, anywhere in the world. It’s like sending a letter, but it arrives almost immediately!

Tips for parents & teachers

• Encourage your child to research real-world examples of LAN and WAN connections they encounter daily.
• Discuss the importance of network security and online safety while exploring internet concepts.
• Use online simulations or diagrams to visually explain the roles of modems and routers.
• Review the basics of computer networks before attempting this advanced worksheet to ensure foundational understanding.
• Work through a few challenging questions together, guiding your child to think critically about the concepts.

Topics covered

How to use this worksheet at home

Open the print view and use your browser's Print dialog to print on regular A4 paper or save as a PDF. Hand the printed sheet to your child (Class 4) and set a relaxed time limit — 15 to 25 minutes works for most Computer Science worksheets. When they're done, open the "With answer key" view and let them self-mark question by question. Re-print as many times as you need; the file never expires and there's no download limit.

Frequently asked questions

Is this Computer Science worksheet really free?

Yes — every workbook on WorkbookWala is 100% free to download and print. No login, no email, no paywall. We're free for students, parents and teachers.

Is it aligned to the CBSE / NCERT syllabus?

Yes. All Class 4 worksheets are built around the CBSE and NCERT pattern so they map cleanly to what your child is studying in school.

Can I print this worksheet at home?

Yes. Click "Open print view" and use your browser's Print dialog to print on standard A4 paper, or save it as a PDF for later. The layout is designed to fit cleanly without scaling.

Does it include an answer key?

Yes — click "With answer key" to print a version with answers included, so parents and students can self-mark in minutes.