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Chapter 3 - 11th - Data Communications Multiple Questions and Answers.
| 11. | Communication between a computer and a keyboard involves transmission choose which one is correct? | ||
| A. | Simplex | ||
| B. | half-duplex | ||
| C. | Full-duplex | ||
| D. | automatic | ||
| 12. | Light, sound, and radio waves are examples of choose which one is correct? | ||
| A. | Analog signals | ||
| B. | Digital signals | ||
| C. | Simple signals | ||
| D. | None | ||
| 13. | The number of times a wave repeats during a specific time interval is called choose which one is correct? | ||
| A. | Amplitude | ||
| B. | Oscillation | ||
| C. | Frequency | ||
| D. | Pulses | ||
| 14. | The height of wave within a given period of time is called choose which one is correct? | ||
| A. | Amplitude | ||
| B. | Oscillation | ||
| C. | Frequency | ||
| D. | Pulses | ||
| 15. | Which type of data consists of words, sentences, and paragraphs? | ||
| A. | Text | ||
| B. | Image | ||
| C. | Numeric | ||
| D. | Video | ||
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