Understanding Input and Output Devices in Computer Hardware

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| Attempts: 36 | Questions: 14 | Updated: Nov 13, 2025
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1. What device is this?

Explanation

The correct device being described is a keyboard, which is an input device used to type characters and commands into a computer system.

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About This Quiz
Understanding Input And Output Devices In Computer Hardware - Quiz

Explore the fundamentals of computer hardware with this focused quiz on Input and Output Devices. Enhance your understanding of how various devices interact with computers, crucial for both academic and professional growth in IT.

2. What device is this?

Explanation

A bar code reader is used to scan and decode barcodes for various purposes such as inventory management and sales. Printers, mice, and headphones are electronic devices with different functions unrelated to barcode scanning.

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3. What device is this?

Explanation

The question is asking about a type of device commonly used with computers. A mouse is a pointing device used to interact with graphical user interfaces.

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4. What device is this?

Explanation

The correct answer is Audio Speakers, as they are used to produce sound from electronic devices.

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5. What type of electronic device is depicted in the image?

Explanation

The correct answer is LCD Monitor, as the image shows a typical computer monitor used for displaying visuals.

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6. Are audio speakers an INPUT or OUTPUT device?

Explanation

Audio speakers are an output device that converts electronic signals into audible sound. They are used to broadcast sound and music.

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7. Is a mouse considered an input or output device?

Explanation

A mouse is primarily used as an input device to provide user input to the computer system.

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8. Is a Keyboard an INPUT or OUTPUT device?

Explanation

A keyboard is used to input data into a computer system, making it an input device. While the keyboard outputs characters on the screen, its primary function is to receive and transmit user commands or text to the computer.

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9. Is an LCD monitor an INPUT or OUTPUT device?

Explanation

An LCD monitor is classified as an OUTPUT device because it displays information from the computer system.

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10. What device is an Image Scanner?

Explanation

An image scanner is a device used to convert physical images or documents into digital format, typically for storage or editing purposes. Printers, fax machines, and projectors serve different functions and are not used for the same purpose as an image scanner.

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11. Is a Bar Code Reader an INPUT or OUTPUT device?

Explanation

A Bar Code Reader is considered an INPUT DEVICE because it takes input in the form of scanning and reading barcodes.

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12. Is a Laser Printer an INPUT or OUTPUT device?

Explanation

A Laser Printer is considered an OUTPUT device because it takes electronic data from a computer and prints it onto paper as a physical output.

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13. What type of printer is a laser printer?

Explanation

A laser printer uses a laser beam to produce an image on a drum, which is then transferred to paper using heat and pressure. Inkjet printers, on the other hand, spray ink onto paper in droplets. Dot matrix printers use a matrix of pins to strike against an inked ribbon. 3D printers create three-dimensional objects by layering materials. Laser printers are known for their speed and high-quality prints, making them popular in offices and homes.

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14. Is an Image Scanner an INPUT or OUTPUT device?

Explanation

An image scanner is classified as an INPUT device because it allows you to input physical documents or images into a digital format for computer processing. Conversely, an OUTPUT device would take processed information from the computer and display it externally.

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What device is this?
What device is this?
What device is this?
What device is this?
What type of electronic device is depicted in the image?
Are audio speakers an INPUT or OUTPUT device?
Is a mouse considered an input or output device?
Is a Keyboard an INPUT or OUTPUT device?
Is an LCD monitor an INPUT or OUTPUT device?
What device is an Image Scanner?
Is a Bar Code Reader an INPUT or OUTPUT device?
Is a Laser Printer an INPUT or OUTPUT device?
What type of printer is a laser printer?
Is an Image Scanner an INPUT or OUTPUT device?
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