5. A a. b. c. d. error means that two or more bits in the data unit have changed. double-bit single-bit none of the above burst Q. Select the correct answer then write the symbol (a, b, c, d) in the table below: 1 2 3 4 5 6 7 8 b d d b a. c. a. C. 1. The of errors is more difficult than the a. detection, correction b. correction; detection c. creation, correctio d. creation; detection 2. The checksum of 1111 and 1111 is 1111 b. 1110 0111 d. 0000 3. Checksums use arithmetic. two's complement arithmetic b. either (a) or (b) one's complement arithmetic d. none of the above 4. The divisor in a cyclic code is normally called the redundancy b. degree generator d. none of the above The checksum of 0000 and 0000 is a. 1111* b. 0000 1110 d. 0111 The divisor in a cyclic code is normally called the degree b. generator* redundancy d. none of the above a. c. c. a. c