This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Transmission of Digital Data – parallel, serial, synchronous, asynchronous Transmission”.
1. In _______ transmission of data, a group of n bits are sent simultaneously.
- parallel
- synchronous
- asynchronous
- serial
2. In _______ transmission, if n bits are being sent simultaneously, n communication channels are needed
- parallel
- synchronous
- asynchronous
- serial
3. Serial transmission can be _______
- parallel
- synchronous
- asynchronous
- b or c
4. _______ transmission features start bits, stop bits, and gaps between data units
- Parallel
- Synchronous
- Asynchronous
- Virtual
5. Asynchronous transmission features _______
- start bits
- stop bits
- gaps between data units
- all of the above
6. Data transmission between the keyboard and the computer is usually _______
- parallel
- synchronous
- asynchronous
- virtual
7. Serial transmission without stop bits, start bits, or gaps is called _______ transmission
- parallel
- synchronous
- asynchronous
- virtual
8. In parallel transmission, if we are sending 80 Kbps (on each line), we send _______ characters per second
- 80,000
- 10,000
- 40,000
- none of above
9. In synchronous serial transmission, if we are sending 80 Kbps, we send _______ characters per second.
- 80,000
- 10,000
- 40,000
- none of above
10. In asynchronous serial transmission, if we are sending 100 Kbps, we send _______ characters per second.
- 80,000
- 10,000
- 40,000
- none of above