Multiple Choice Questions on Input and Output Devices

🧠 Quick Study Guide: Input & Output Devices

• 💡 Input Devices: Hardware components that allow users to send data, commands, or signals to a computer. They translate human-readable information into a machine-readable format.
• ⌨️ Examples of Input Devices: Keyboard, Mouse, Microphone, Scanner, Webcam, Joystick, Light Pen, Barcode Reader, Touchscreen (as input).
• 📡 Output Devices: Hardware components that receive processed data from the computer and display or present it in a human-understandable format.
• 🖨️ Examples of Output Devices: Monitor, Printer, Speaker, Projector, Headphones, Plotter.
• 🔄 Both Input & Output Devices: Some devices can perform both functions.
• 📱 Examples of I/O Devices: Touchscreen (as output for display and input for touch), Modems, Network Interface Cards (NICs), CD/DVD R/W drives, USB flash drives.
• 🎯 Key Distinction: Input sends data to the computer; Output receives data from the computer.

✅ Practice Quiz: Input & Output Devices

1. Which of the following is NOT an input device?

1. Keyboard
2. Mouse
3. Monitor
4. Microphone

2. A device that converts digital information from a computer into human-readable text or graphics on paper is called a:

1. Scanner
2. Printer
3. Plotter
4. Projector

3. Which device is used to capture still images or full-motion video and digitize them for computer storage?

1. Speaker
2. Webcam
3. Microphone
4. Printer

4. What is the primary function of a speaker in a computer system?

1. To input audio commands
2. To display visual output
3. To produce sound output
4. To store audio files

5. Which of these devices can function as both an input and an output device?

1. Keyboard
2. Monitor
3. Touchscreen
4. Mouse

6. A barcode reader is an example of a(n):

1. Output device
2. Input device
3. Storage device
4. Processing device

7. Which output device is typically used for producing large-format prints, such as architectural blueprints or engineering drawings?

1. Laser Printer
2. Dot Matrix Printer
3. Plotter
4. Inkjet Printer