Question:
Which of the following is an output device?
Which of the following is an output device?
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Easy rule:
• Keyboard, Mouse, Scanner, Microphone = Input Devices
• Monitor, Speaker, Printer, Projector = Output Devices
• Keyboard, Mouse, Scanner, Microphone = Input Devices
• Monitor, Speaker, Printer, Projector = Output Devices
Updated On: Jun 12, 2026
- Microphone
- Keyboard
- Speaker
- Scanner
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The Correct Option is C
Solution and Explanation
Concept:
Computer hardware devices are classified according to the direction in which data flows.
• Input devices send data into the computer.
• Output devices receive processed data from the computer and present it to the user.
Step 1: Classifying each device.
• Microphone A microphone captures sound and sends it into the computer. Therefore, it is an input device.
• Keyboard A keyboard enters text and commands into the computer. Therefore, it is an input device.
• Speaker A speaker converts digital audio signals into sound that users can hear. Therefore, it is an output device.
• Scanner A scanner converts printed material into digital information and sends it into the computer. Therefore, it is an input device.
Step 2: Determining the correct answer. Only the speaker delivers processed information from the computer to the user. Therefore, \[ \boxed{\text{Speaker}} \] is the correct answer.
• Input devices send data into the computer.
• Output devices receive processed data from the computer and present it to the user.
Step 1: Classifying each device.
• Microphone A microphone captures sound and sends it into the computer. Therefore, it is an input device.
• Keyboard A keyboard enters text and commands into the computer. Therefore, it is an input device.
• Speaker A speaker converts digital audio signals into sound that users can hear. Therefore, it is an output device.
• Scanner A scanner converts printed material into digital information and sends it into the computer. Therefore, it is an input device.
Step 2: Determining the correct answer. Only the speaker delivers processed information from the computer to the user. Therefore, \[ \boxed{\text{Speaker}} \] is the correct answer.
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