💻 Complete Guide to Computer Functioning: Understanding CPU & Other Key Parts

💻 Complete Guide to Computer Functioning: Understanding CPU & Other Key Parts

New Updates By GrandMaster Bikram Sutradhar | bAstronautWay | SirBikramSutradhar
🌟 5-Time World Record Holder | Best Teacher Awardee 2023 | IIT JAM AIR 392 🌟

Computer & Laptop

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🧠 What is a Computer?

A computer is an electronic device that takes input, processes it, and gives output — just like how our brain thinks and acts. It works on data and instructions to perform tasks like calculations, writing documents, watching videos, gaming, or browsing the internet.

Let’s break it down in simple parts 👇

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🔧 Main Components of a Computer

1️⃣ CPU – The Brain of the Computer

Full Form: Central Processing Unit
🧠 It does all the calculations and decision-making.
📍 The CPU controls everything — like a manager running a company.

Main Parts inside CPU:

• ALU (Arithmetic Logic Unit): Does all math and logic tasks.
• CU (Control Unit): Directs the flow of data.
• Registers: Store temporary data for quick use.

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2️⃣ Motherboard – The Backbone

The motherboard is a large circuit board inside the CPU case where everything connects (CPU, RAM, storage, etc.).
It acts like a highway for information to travel between parts.

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3️⃣ RAM – Memory for Work

Full Form: Random Access Memory
📝 Temporary storage for open programs.
🧠 More RAM = Faster computer multitasking.

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4️⃣ Hard Drive / SSD – Storage Room

📂 Stores everything: your documents, apps, games, and photos.
HDD (Hard Disk Drive): Cheaper, slower, mechanical
SSD (Solid State Drive): Faster, more reliable, no moving parts

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5️⃣ Power Supply (SMPS)

⚡ Converts electricity into usable power for all components.
It ensures that everything gets the right amount of energy.

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6️⃣ Input Devices – To Give Instructions

• 🖱️ Mouse: For clicking and selecting
• ⌨️ Keyboard: For typing commands
• 🎙️ Microphone: For speaking into apps

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7️⃣ Output Devices – To See Results

• 🖥️ Monitor: Displays text, images, videos
• 🔊 Speakers: Output sound
• 🖨️ Printer: Gives hard copies of documents

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8️⃣ Cooling System – Keeps It Cool!

Fans and heat sinks keep the CPU and other parts from overheating 🔥.

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🖧 Bonus: Other Important Parts

• GPU (Graphics Card): For gaming, editing, and visual design.
• LAN Card / Wi-Fi Card: For connecting to the internet 🌐
• Ports: USB, HDMI, Ethernet — for plugging in devices.

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⚙️ How It All Works Together

💡 Imagine you want to play a song:

1. You click the file (Input).
2. CPU processes it and sends to RAM.
3. Data is fetched from storage (HDD/SSD).
4. Sound is sent to speakers (Output).
5. Everything is powered by SMPS and coordinated by the motherboard.

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📘 Final Words from GrandMaster Bikram Sutradhar

“Understanding your computer is the first step toward becoming tech-smart. Start small, learn every day, and you’ll master digital skills for life.”

Whether you’re a school student, beginner coder, or future engineer, this guide lays your foundation for digital literacy 💻✨

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🔗 Learn More

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📲 Socials: @SirBikramSutradhar

📌 #ComputerBasics #SirBikramSutradhar #CPUExplained #DigitalIndia #bAstronautWay #NewUpdateBySirBikram

Written By

Full Stack Developer and 5-Time World Record Holder, Grandmaster Bikram Sutradhar

  bAstronautWay :  A Government-Approved Trademark Brand

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Written By

Full Stack Developer and 5-Time World Record Holder, Grandmaster Bikram Sutradhar

bAstronautWay

SirBikramSutradhar on YouTube                                                               

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ICSE CLASS 10 ICSE CLASS 10 BIOLOGY BASTRONAUTWAY SirBikramSutradhar Bikram Sutradhar GrandMaster Bikram Sutradhar selina biology solutions ICSE Biology Selina Solution

📚 Class 9 Science – Complete Table of Contents (विषय-सूची)

CBSE | NCERT Curriculum | Bilingual (English + Hindi)
By Grandmaster Bikram Sutradhar | SirBikramSutradhar | BASTRONAUTWAY

🔬 PHYSICS (भौतिक विज्ञान)

🔢	Chapter Title (English)	अध्याय का नाम (हिंदी)	Page No.
1️⃣	Motion	गति
2️⃣	Force and Laws of Motion	बल तथा गति के नियम
3️⃣	Gravitation	गुरुत्वाकर्षण
4️⃣	Work and Energy	कार्य तथा ऊर्जा
5️⃣	Sound	ध्वनि

🧪 CHEMISTRY (रसायन विज्ञान)

🔢	Chapter Title (English)	अध्याय का नाम (हिंदी)	Page No.
1️⃣	Matter in Our Surroundings	हमारे आस-पास के पदार्थ
2️⃣	Is Matter Around Us Pure?	क्या हमारे आस-पास के पदार्थ शुद्ध हैं?
3️⃣	Atoms and Molecules	परमाणु एवं अणु
4️⃣	Structure of the Atom	परमाणु की संरचना

🧬 BIOLOGY (जीव विज्ञान)

🔢	Chapter Title (English)	अध्याय का नाम (हिंदी)	Page No.
1️⃣	The Fundamental Unit of Life	जीवन की मौलिक इकाई
2️⃣	Tissues	ऊतक
3️⃣	Improvement in Food Resources	धनों में सुधार

📘 ADDITIONAL SECTIONS (अतिरिक्त अनुभाग)

📖 Section	Title (English + Hindi)
🔹	Glossary / पारिभाषिक शब्दावली
🔹	Answer Keys / उत्तरमाला
🔹	Summary / सारांश
🔹	Important Diagrams / महत्वपूर्ण चित्र
🔹	NCERT Exercises / एनसीईआरटी अभ्यास
🔹	Sample Papers & MCQs / मॉडल पेपर व वस्तुनिष्ठ प्रश्न

✅ All content follows the official NCERT Class 9 Science textbook structure. Each chapter will include explanations, bilingual notes, definitions, diagrams, MCQs, FAQs, and practice exercises under the BASTRONAUTWAY learning system.

class 10 Maths ncert solution.

CBSE Class 10 Mathematics (2025) NCERT Syllabus:

CBSE Class 10 Mathematics NCERT Syllabus (2025) – Chapter-Wise List

CBSE Class 10 Mathematics NCERT Syllabus (2025) – Chapter-Wise List

chapter 1. Real Numbers

chapter 2. Polynomials

chapter 3.  Linear Equations

chapter 4. Quadratic Equations

chapter 5. Arithmetic Progressions

chapter 6. Triangles

chapter 7. Coordinate Geometry

chapter 8. Introduction to Trigonometry

chapter 9. Some Applications of Trigonometry

chapter 10. Circles

chapter 11. Areas Related to Circles

chapter 12. Surface Areas and Volumes

chapter 13. Statistics

chapter 14. Probability

CBSE Class 10 Science (2025) NCERT Syllabus:

CBSE Class 10 Science NCERT Syllabus (2025) – Chapter-Wise List

CBSE Class 10 Science NCERT Syllabus (2025) – Chapter-Wise List

Chapter 1 Chemical Reactions and Equations 
Chapter 2 Acids, Bases and Salts 
Chapter 3 Metals and Non-metals 
Chapter 4 Carbon and its Compounds 
Chapter 5 Life Processes 
Chapter 6 Control and Coordination 
Chapter 7 How do Organisms Reproduce? 
Chapter 8 Heredity 
Chapter 9 Light – Reflection and Refraction 
Chapter 10 The Human Eye and the Colourful World 
Chapter 11 Electricity 
Chapter 12 Magnetic Effects of Electric Current 
Chapter 13 Our Environment

📖 Chapter 12 – Organic Chemistry (Selina Textbook)

Table of Contents:

• 12A. Organic Compounds
• 12B. Hydrocarbons: Alkanes
• 12C. Hydrocarbons: Alkenes
• 12D. Hydrocarbons: Alkynes
• 12E. Alcohols
• 12F. Carboxylic Acids
• Exercise 12 MISCELLANEOUS
• Glossary
• Model Question Paper –

📌 Exercise 12 MISCELLANEOUS – Focus Areas:

• 🧬 Consolidated practice from the entire Organic Chemistry chapter
• 🧪 Application-based questions covering alkanes, alkenes, alkynes, alcohols, and carboxylic acids
• 🧾 Writing structural formulas and chemical equations
• 💡 Distinguishing reactions, isomer identification, and conversions
• 📘 Full-syllabus revision to boost conceptual clarity and board exam readiness

Each question in this section is designed to:

• ✅ Strengthen cross-topic understanding
• 📝 Prepare students for application-based and reasoning-based questions
• 🧠 Improve problem-solving speed and exam performance

 class 5

📚 Class 9 Science – Complete Table of Contents (विषय-सूची)

CBSE | NCERT Curriculum | Bilingual (English + Hindi)
By Grandmaster Bikram Sutradhar | SirBikramSutradhar | BASTRONAUTWAY

🔬 PHYSICS (भौतिक विज्ञान)

🔢	Chapter Title (English)	अध्याय का नाम (हिंदी)	Page No.
1️⃣	Motion	गति
2️⃣	Force and Laws of Motion	बल तथा गति के नियम
3️⃣	Gravitation	गुरुत्वाकर्षण
4️⃣	Work and Energy	कार्य तथा ऊर्जा
5️⃣	Sound	ध्वनि

🧪 CHEMISTRY (रसायन विज्ञान)

🔢	Chapter Title (English)	अध्याय का नाम (हिंदी)	Page No.
1️⃣	Matter in Our Surroundings	हमारे आस-पास के पदार्थ
2️⃣	Is Matter Around Us Pure?	क्या हमारे आस-पास के पदार्थ शुद्ध हैं?