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Methods Of Error Detection (GCSE Computing)
The following is a GCSE Computing test covering 'Methods Of Error Detection' from the broader topic 2. Data Transmission. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.Incorrect: 0
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What does the receiver typically do if CRC indicates an error in a packet?
Which method would commonly be used in network frames (Ethernet) to detect errors?
If a parity check finds a mismatch, which of these is NOT a typical next step?
Which method adds one extra bit to each byte so the number of 1 bits is odd or even to detect single-bit errors?
In the parity-byte example (parity for each column), the parity byte bit for a column is 1 if:
Which method is best at detecting burst errors (a group of consecutive flipped bits)?
What is meant by "undetected error" in transmission?
Which method can both detect and correct single-bit errors without retransmission?
What does two-dimensional (block) parity combine?
A parity byte (longitudinal parity) is used mainly to:
What does a "burst error" refer to?
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