Input Device vs Output Device — Difference (with Table & FAQs)
Input Device vs Output Device compared side by side — a 5-row comparison table, 4 key points and 3 exam FAQs. Class 9 Computer & GK, free and no sign-up.
TL;DR: Input Device vs Output Device compared side by side — a 5-row comparison table, 4 key points and 3 exam FAQs. Class 9 Computer & GK, free and no sign-…
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
The main difference between Input Device and Output Device: Input devices send data to computer while output devices receive data from computer. Both enable computer-user interaction.
Input Device vs Output Device — Comparison Table
| Basis | Input Device | Output Device |
|---|---|---|
| Direction | Data goes into computer | Data comes from computer |
| Examples | Keyboard, mouse, scanner | Monitor, printer, speaker |
| Function | Provide commands and data | Display results and feedback |
| User action | User provides input | Computer provides output |
| Necessity | Required to use computer | Required to see results |
Key Points
- Input devices allow user control
- Output devices show computer results
- Both are necessary for complete interaction
- Some devices can be both input and output
Frequently Asked Questions
What is the difference between an input device and an output device?
An input device sends data into the computer — a keyboard, mouse, scanner or microphone. An output device carries the result back out to the user — a monitor, printer or speaker. The direction of the data is what separates them.
Can a single device be both an input and an output device?
Yes. A touchscreen accepts taps as input and displays images as output, and a headset combines a microphone with speakers. Devices that do both are often called input/output or I/O devices.
Is a printer an input or an output device?
A printer is an output device: it takes data the computer has already processed and produces a printed copy. A scanner is its input counterpart, converting a printed page into data the computer can store.