Computer Input & Output Devices

Every computer needs a way to receive information and show results. These are handled by Input and Output devices.

🖱️ Input Devices

🔹 What are Input Devices?

Input devices are the hardware parts used to send data or instructions to the computer.

✅ Common Input Devices:

1. Keyboard

   • Used to type text, numbers, and commands.

   • Example: Writing a document in MS Word.

2. Mouse

   • A pointing device used to move the cursor, click, and select.

3. Scanner

   • Used to convert printed documents or photos into digital format.

4. Microphone

   • Captures audio or voice input.

5. Webcam

   • Used to capture live video or images (example: video calls).

6. Touchscreen

   • Acts as both input and output; you can touch the screen to give commands (used in tablets and smartphones).

7. Joystick/Game Controller

   • Used for gaming or navigation in specific applications.

🖥️ Output Devices

🔹 What are Output Devices?

Output devices display or produce the results after the computer processes the input.

✅ Common Output Devices:

1. Monitor (Display Screen)

   • Displays images, videos, and text.

   • Example: Viewing a video or reading a document.

2. Printer

   • Produces hard copies of documents or images.

3. Speakers

   • Output sound, music, or system alerts.

4. Headphones

   • Personal audio output device.

5. Projector

   • Displays the computer screen on a larger surface like a wall.