MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
CDPD stands for ___________ |
| A. | Cellular Digital Packet Data |
| B. | Cellular Decoded Packet Data |
| C. | Cellular Demodulated Packet Data |
| D. | Cellular Decoded Plane Data |
| Answer» B. Cellular Decoded Packet Data | |
| 2. |
Which of the following linear codes achieve largest possible minimum distance? |
| A. | Hamming code |
| B. | Hadamard code |
| C. | Golay code |
| D. | Reed Solomon codes |
| Answer» E. | |
| 3. |
Which of the following code is a class of non-binary BCH? |
| A. | Hamming code |
| B. | Hadamard code |
| C. | Golay code |
| D. | Reed Solomon codes |
| Answer» E. | |
| 4. |
Which of the following is not an example of block code? |
| A. | Hamming code |
| B. | Cyclic code |
| C. | Convolution code |
| D. | BCH codes |
| Answer» D. BCH codes | |
| 5. |
In systematic codes, parity bits are appended at the __________ |
| A. | Beginning |
| B. | End |
| C. | End |
| D. | Odd places |
| Answer» C. End | |
| 6. |
The weight of code is given by number of _______ |
| A. | Non-zero elements in the codeword |
| B. | Zero elements in the codeword |
| C. | Total elements in the codeword |
| D. | Elements in parity bits |
| Answer» B. Zero elements in the codeword | |
| 7. |
The ability of the block code to correct errors is a function of __________ |
| A. | Number of parity bits |
| B. | Number of information bits |
| C. | Number of code bits |
| D. | Code distance |
| Answer» E. | |
| 8. |
For (n,k) block codes, rate of the code is defined as __________ |
| A. | n2/k |
| B. | k2/n |
| C. | n/k |
| D. | k/n |
| Answer» D. k/n | |
| 9. |
In block codes, parity bits are ___________ to block of messages. |
| A. | Added |
| B. | Subtracted |
| C. | Multiplied |
| D. | Divided |
| Answer» B. Subtracted | |
| 10. |
WHICH_OF_THE_FOLLOWING_CODE_IS_A_CLASS_OF_NON-BINARY_BCH??$ |
| A. | Hamming code |
| B. | Hadamard code |
| C. | Golay code |
| D. | Reed Solomon codes |
| Answer» E. | |
| 11. |
CDPD stands for _____$ |
| A. | Cellular Digital Packet Data |
| B. | Cellular Decoded Packet Data |
| C. | Cellular Demodulated Packet Data |
| D. | Cellular Decoded Plane Data |
| Answer» B. Cellular Decoded Packet Data | |
| 12. |
Which_of_the_following_linear_codes_achieve_largest_possible_minimum_distance?$ |
| A. | Hamming code |
| B. | Hadamard code |
| C. | Golay code |
| D. | Reed Solomon codes |
| Answer» E. | |
| 13. |
In systematic codes, parity bits are appended at the ____ |
| A. | Beginning |
| B. | End |
| C. | End |
| D. | Odd places |
| Answer» C. End | |
| 14. |
Which of the following is not a property of block code? |
| A. | Linearity |
| B. | Systematic |
| C. | Cyclic |
| D. | Non linearity |
| Answer» E. | |
| 15. |
The weight of a code is given by number of _______ |
| A. | Non-zero elements in the codeword |
| B. | Zero elements in the codeword |
| C. | Total elements in the codeword |
| D. | Elements in parity bits |
| Answer» B. Zero elements in the codeword | |
| 16. |
The ability of the block code to correct errors is a function of ______ |
| A. | Number of parity bits |
| B. | Number of information bits |
| C. | Number of code bits |
| D. | Code distance |
| Answer» E. | |
| 17. |
For (n,k) block codes, rate of the code is defined as _______ |
| A. | n<sup>2</sup>/k |
| B. | k<sup>2</sup>/n |
| C. | n/k |
| D. | k/n |
| Answer» D. k/n | |
| 18. |
How many redundant bits are added in block codes for k information bits and n code bits? |
| A. | n+k |
| B. | n-k |
| C. | k<sup>2</sup> |
| D. | n<sup>2</sup> |
| Answer» C. k<sup>2</sup> | |
| 19. |
In block codes, parity bits are _____ to block of messages. |
| A. | Added |
| B. | Subtracted |
| C. | Multiplied |
| D. | Divided |
| Answer» B. Subtracted | |