Error detection techniques

________________ error detection method uses one\'s complement arithmetic.

• Simple parity check

• Two-dimensional parity check

• CRC

• Checksum

Which error detection method consists of just one redundant bit per data unit?

• Simple parity check

• Two-dimensional parity check

• CRC

• Checksum

In cyclic redundancy checking, what is the CRC?

• Divisor

• Quotient

• Dividend

• Remainder

A ____________________ error means that two or more bits in the data unit have change.

• bit

• double bit

• burst

• none of the above

In ________ error correction, the receiver asks the sender to send the data again.

• forward

• backward

• retransmission

• redirection

The checksum of 0000 and 0000 is __________.

• 0001

• 0011

• 0111

• 1111

The checksum of 1111 and 1111 is _________.

• 0000

• 0001

• 0011

• 1111

The _____of errors is relatively more difficult than the error ______.

• correction; detection

• detection; correction

• creation; correction

• creation; detection

A simple parity-check code can detect __________ errors.

• single bit

• burst

• an even-number of

• an odd-number of

Which can detect two bit errors?

• Parity check

• Cyclic redundancy check

• Parity and cyclic redundancy check

• None of the mentioned