Error Detection and Correction

Error Detection and Correction - Error Detection and...

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Error Detection and Correction 1: Which error detection method uses one's complement arithmetic? a. Simple parity check b. Two-dimensional parity check c. CRC d. Checksum 2: Which error detection method consists of just one redundant bit per data unit? a. Simple parity check b. Two-dimensional parity check c. CRC d. Checksum 3: In cyclic redundancy checking, what is the CRC? a. The divisor b. The quotient c. The dividend d. The remainder 4: In cyclic redundancy checking, the divisor is _______ the CRC. a. The same size as b. one bit less than c. one bit more than d. none of the above 5: A burst error means that two or more bits in the data unit have changed. a. double-bit b. burst c. single-bit d. none of the above 6: In ________ error correction, the receiver corrects errors without requesting retransmission. a. backward b. onward c. forward d. none of the above 7: In ________ error correction, the receiver asks the sender to send the data again. a. backward b. retransmission c. forward d. none of the above 8: We can divide coding schemes into two broad categories: ________ and ______coding.
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This note was uploaded on 08/01/2011 for the course ITEC 000 taught by Professor Asda during the Spring '11 term at Eastern Mediterranean University.

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Error Detection and Correction - Error Detection and...

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