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Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
Input Devices Multiple Questions and Answers.
| 16. | Which device containing sensors send signals to computer whenever light changes are detected? | ||
| A. | Light pen | ||
| B. | Reflectors | ||
| C. | Deflector | ||
| D. | All the above | ||
| 17. | Which is used with stylus to produce freehand drawings? | ||
| A. | Drawing pen | ||
| B. | Reflector | ||
| C. | Graphic tablets | ||
| D. | Light pen | ||
| 18. | Among the options which of the following computer input device enable video conference? | ||
| A. | Microphone | ||
| B. | Digital Camera | ||
| C. | Voice recognition | ||
| D. | Webcam | ||
| 19. | Which input device allow only voice communication? | ||
| A. | Microphone | ||
| B. | Webcam | ||
| C. | Voice recognition | ||
| D. | All of Above | ||
| 20. | Which system can read special characters printed in special ink? | ||
| A. | Optical Scanner | ||
| B. | Magnetic Ink character recognition or MICR | ||
| C. | QCR | ||
| D. | OPR | ||
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