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Chapter 3 - 11th - Data Communications Multiple Questions and Answers.
| 41. | Data is transmitted block-by-block in choose which one is correct? | ||
| A. | Digital transmission | ||
| B. | Analog transmission | ||
| C. | Synchronous transmission | ||
| D. | Asynchronous transmission | ||
| 42. | Which technique uses modulation? | ||
| A. | Baseband | ||
| B. | Broadband | ||
| C. | Bandwidth | ||
| D. | None | ||
| 43. | Which technique does not use modulation? | ||
| A. | Baseband | ||
| B. | Broadband | ||
| C. | Bandwidth | ||
| D. | None | ||
| 44. | ASCII-7 can represent maximum characters | ||
| A. | 65536 | ||
| B. | 256 | ||
| C. | 16 | ||
| D. | 128 | ||
| 45. | Which of the following has a 16-bit coding scheme? | ||
| A. | BCD | ||
| B. | EBCDIC | ||
| C. | ASCII | ||
| D. | Unicode | ||
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