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Input and Output Devices Video Lecture | Computer Science for Class 3
FAQs on Input and Output Devices Video Lecture - Computer Science for Class 3
| 1. What are input devices and why are they important? |  |
Ans.Input devices are hardware components that allow users to enter data and commands into a computer. They are important because they facilitate interaction between the user and the computer, enabling tasks such as typing, clicking, and navigation.
| 2. Can you give examples of common input devices? | |
Ans.Common input devices include the keyboard, mouse, scanner, microphone, and touchscreen. Each of these devices serves a unique purpose, such as typing text, selecting items on the screen, capturing images, recording audio, or providing direct interaction with the display.
| 3. What are output devices and how do they function? | |
Ans.Output devices are hardware components that receive data from a computer and present it to the user. They function by converting digital signals into a form that is understandable, such as displaying images on a monitor or producing sound through speakers.
| 4. What are some examples of popular output devices? | |
Ans.Popular output devices include monitors, printers, speakers, and projectors. Monitors display visual output, printers create physical copies of documents, speakers produce audio output, and projectors display images on larger surfaces for presentations.
| 5. How do input and output devices work together in a computer system? | |
Ans.Input and output devices work together to create a seamless user experience. Input devices send user commands and data to the computer, which processes the information and then sends the output to the appropriate output devices, allowing users to see results, hear sounds, or interact with content effectively.
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Sep 19, 2025
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