💻 Class 1 Computer – Chapter 4: How to Start and Shut Down a Computer
🔹 1. Introduction
A computer helps us do many things — draw, play games, type, watch movies, and learn new things.
But before using a computer, we must know how to start and shut it down properly.
💡 We should never switch off the power suddenly, or it may harm the computer.
🔹 2. Steps to Start a Computer
Let’s learn step by step how to start a computer safely.
🪄 Step 1: Switch on the power button on the main socket.
👉 This gives electricity to the computer.
🪄 Step 2: Switch on the UPS (Uninterrupted Power Supply).
👉 The UPS keeps the computer safe from power cuts.
🪄 Step 3: Switch on the CPU (Central Processing Unit) button.
👉 The CPU starts the main working of the computer.
🪄 Step 4: Switch on the Monitor button.
👉 The monitor will light up and start showing images.
🪄 Step 5: Wait for the Desktop Screen to appear.
👉 Now your computer is ready to use!
💻 You can now play games, draw pictures, or study on the computer.
🔹 3. What is a Desktop Screen?
When the computer starts, you see a colorful screen with small pictures (icons).
This screen is called the Desktop.
🖥️ Icons:
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Small pictures on the desktop.
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They represent programs or games.
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You can double-click an icon to open it.
💡 Example:
You can click the Paint icon 🎨 to draw pictures,
or the Game icon 🎮 to play.
🔹 4. Steps to Shut Down (Turn Off) a Computer
Just like starting, we must also shut down the computer properly.
🪄 Step 1: Click on the Start button on the screen.
🪄 Step 2: Click on Shut Down option.
👉 The computer will close all programs and turn off automatically.
🪄 Step 3: Switch off the Monitor and CPU.
🪄 Step 4: Switch off the UPS.
🪄 Step 5: Finally, switch off the Main Power button.
💡 Always wait until the screen goes completely dark before switching off the main power.
🔹 5. Why Should We Shut Down Properly?
✅ It keeps the computer safe.
✅ It saves electricity.
✅ It protects data from getting lost.
✅ It helps the computer work better next time.
❌ Never turn off the main switch directly — it can damage the computer.
🔹 6. Important Tips While Using a Computer
💡 Sit properly on the chair.
💡 Keep your hands clean.
💡 Do not press keys or mouse buttons too hard.
💡 Do not touch cables or plugs.
💡 Always shut down the computer properly.
🧠 Quick Revision Table
| Step | To Start Computer | To Shut Down Computer |
|---|---|---|
| 1 | Switch on main power | Click on Start button |
| 2 | Switch on UPS | Click Shut Down |
| 3 | Switch on CPU | Switch off Monitor & CPU |
| 4 | Switch on Monitor | Switch off UPS |
| 5 | Wait for desktop | Switch off main power |
🧩 Exercise / MCQs
1️⃣ Which button do we press first to start the computer?
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(a) CPU
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(b) Main power button
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(c) Monitor
✅ Answer: (b) Main power button
2️⃣ The brain of the computer is the ______.
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(a) Monitor
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(b) CPU
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(c) Mouse
✅ Answer: (b) CPU
3️⃣ What do we see on the monitor after starting the computer?
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(a) Desktop
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(b) Keyboard
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(c) Table
✅ Answer: (a) Desktop
4️⃣ What should we click to turn off the computer?
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(a) Paint
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(b) Shut Down
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(c) Start Game
✅ Answer: (b) Shut Down
5️⃣ Why should we shut down the computer properly?
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(a) To protect it
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(b) To damage it
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(c) To waste power
✅ Answer: (a) To protect it
✨ Summary
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We must start and shut down the computer carefully.
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The steps to start: Main Power → UPS → CPU → Monitor.
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The steps to shut down: Start → Shut Down → Switch off devices.
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Always handle the computer gently and safely.
💻 A well-handled computer works faster and lasts longer!