Question 13 of 24
Q.State the input and output devices of a computer system.
Tamil Nadu DgeTamil Nadu HSC First Year (DGE) Commerce Board 2022Subjective· 3mImportance★★★★★
54% · 13/24 Questions
You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.
Start your 14-day free trial to unlock the full solution →Input devices are the hardware through which data and commands enter the computer; output devices present the processed information to the user. In a Tamil Nadu HSC Class-11 Accountancy computerised-accounting answer, list several of each.
Input devices — used to enter data/instructions into the system:
| Device | Function |
|---|---|
| Keyboard | Typing text, figures, commands |
| Mouse | Pointing / selecting on screen |
| Scanner | Converting a printed document/image into digital form |
| MICR (Magnetic Ink Character Reader) | Reading cheque numbers in banks |
| OMR (Optical Mark Reader) | Reading marked responses (OMR sheets) |
| OCR (Optical Character Reader) | Reading printed characters |
| Bar-code reader | Reading product bar codes |
| Light pen / Touch screen / Joystick / Microphone | Other input methods |
Output devices — used to obtain the processed result:
| Device | Function |
| --- | --- | …
Unlock everything free for 14 days
- Full step-by-step solutions
- Concept-first explanations
- Methods, shortcuts & mistakes
- PYQ mapping + timed mock tests
Full access for 14 days. No credit card required.