Question
Download Solution PDFWhich of the following is an output device?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Projector.
Key Points
- Projector: A projector is an output device that projects an image from a computer screen onto a larger surface, such as a wall or a whiteboard.
- This allows users to share their work with a larger audience.
- Scanner: A scanner is an input device. It converts images or text into a digital format.
- This allows users to store and edit their work electronically.
- OCR: An OCR device is an input device that converts text from a scanned image into a digital format.
- This allows users to extract text from documents that are not in a digital format.
- MICR: A MICR device is an input device that reads numbers and letters that are printed in magnetic ink.
- This is used in banking applications to read account numbers and other data on checks.
Additional Information
| Input Device | Description | Example |
|---|---|---|
| Keyboard | A device that allows users to enter text and other data into a computer. | QWERTY keyboard |
| Mouse | A pointing device that allows users to move the cursor on a computer screen and select items. | Optical mouse |
| Scanner | A device that converts images into digital data that can be stored on a computer. | Flatbed scanner |
| Microphone | A device that converts sound waves into electrical signals that can be stored on a computer. | Condenser microphone |
| Webcam | A device that captures images and videos and sends them to a computer. | Built-in webcam |
| Output Device | Description | Example |
|---|---|---|
| Monitor | A device that displays text, images, and videos on a computer screen. | LCD monitor |
| Printer | A device that prints text, images, and documents on paper. | Inkjet printer |
| Speaker | A device that converts electrical signals into sound waves that can be heard by humans. | Stereo speakers |
| Headphones | A device that converts electrical signals into sound waves that can be heard by one person. | Over-ear headphones |
| Projector | A device that projects images onto a screen. | Portable projector |
Last updated on Jul 10, 2025
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