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Questions and Answers
Which of the following is NOT considered a digital device?
Which of the following is NOT considered a digital device?
- Computer
- Refrigerator (correct)
- Tablet
- Mobile phone
What is the purpose of a peripheral device in a computer system?
What is the purpose of a peripheral device in a computer system?
- To accept input
- To expand the computer's capabilities (correct)
- To process data
- To store data
What is the main function of a computer?
What is the main function of a computer?
- To accept input
- To process data (correct)
- To produce output
- To store data
What is the Internet of Things (IoT)?
What is the Internet of Things (IoT)?
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Which of the following is an input device?
Which of the following is an input device?
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Study Notes
Digital Devices
- A digital device is a device that uses digital signals or data to operate, such as computers, smartphones, and tablets.
Peripheral Devices
- A peripheral device is a device that connects to a computer system to provide additional functionality, such as keyboards, printers, and scanners.
- The purpose of a peripheral device is to enhance the capabilities of a computer system.
Computer Function
- The main function of a computer is to process, store, and communicate information.
Internet of Things (IoT)
- The Internet of Things (IoT) refers to the network of physical devices, vehicles, home appliances, and other items embedded with sensors, software, and connectivity, allowing them to collect and exchange data.
Input Devices
- Examples of input devices include keyboards, mice, scanners, and cameras, which allow users to enter data into a computer system.
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