Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2061: What is the result of cyclically left-shifting the codeword 1011000?
- A: 1100001
- B: 110001
- C: 1000001
- D: 101001
View Answer
B
Q2062: Fill in the blank: In a cyclic code, the number of codewords remains _______ even after cyclic shifts.
- A: double
- B: decreasing
- C: constant
- D: random
View Answer
C
Q2063: Cyclic codes are particularly useful in _______.
- A: Quantum computing
- B: Error detection and correction
- C: Audio processing
- D: Image compression
View Answer
B
Q2064: If 1011000 is a codeword in a cyclic code, which of the following is guaranteed to also be a codeword?
- A: 1010001
- B: 1100100
- C: 110001
- D: 1110
View Answer
C
Q2065: What type of shifting is applied in cyclic codes to generate new valid codewords?
- A: Logical shift
- B: Arithmetic shift
- C: Bit inversion
- D: Cyclic shift
View Answer
D
Q2066: Fill in the blank: Cyclic codes maintain their _______ even after rotation.
- A: length and parity
- B: original parity
- C: parity check equations
- D: error rate
View Answer
A
Q2067: Which of the following is NOT true about cyclic codes?
- A: They are a type of linear block code
- B: They produce valid codewords upon rotation
- C: They always generate shorter codewords
- D: They are useful in communication systems
View Answer
C
Q2068: If a codeword 1100101 is cyclically shifted to the left, the new codeword would be _______.
- A: 1001011
- B: 1001110
- C: 1001010
- D: 1001011
View Answer
A
Q2069: Fill in the blank: Special linear block codes with cyclic property are useful because they simplify _______.
- A: key generation
- B: circuit design
- C: error detection and correction
- D: transmission speeds
View Answer
C
Q2070: Cyclic codes are also known for being _______ in hardware implementation.
- A: expensive
- B: complex
- C: efficient
- D: slow
View Answer
C