July2016 cs Q28
| (a) Line coding | (i) A technique to change analog signal to digital data. |
| (b) Block coding | (ii) Provides synchronization without increasing number of bits. |
| (c) Scrambling | (iii) Process of converting digital data to digital signal. |
| (d) Pulse code modulation | (iv) Provides redundancy to ensure synchronization and inherits error detection. |
Codes:
| (a) | (b) | (c) | (d) | |
| (1) | (iv) | (iii) | (ii) | (i) |
| (2) | (iii) | (iv) | (ii) | (i) |
| (3) | (i) | (iii) | (ii) | (iv) |
| (4) | (ii) | (i) | (iv) | (iii) |
- Option : B
- Explanation :
- Line coding is a Process of converting digital data to digital signal.
- Block coding provides redundancy to ensure synchronization and inherits error detection.
- Scrambling provides synchronization without increasing number of bits.
- Pulse code modulation is a technique to change analog signal to digital data.
