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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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Which error-detection method uses polynomial division and appends a remainder called the Frame Check Sequence (FCS)?
What does "odd parity" require for each transmitted unit (e.g., byte)?
Which statement correctly describes the trade-off when adding stronger error-detection bits?
Which method is best at detecting burst errors (a group of consecutive flipped bits)?
Which of these is a limitation of a single parity bit per byte?
In the parity-byte example (parity for each column), the parity byte bit for a column is 1 if:
Why might a streaming video service prefer lightweight error-detection with forward error correction over ARQ retransmission?
In an ARQ system using ACK and NACK, what is a NACK?
Which of these is true about Hamming codes compared with simple parity?
Which error-detection method is most commonly used with file downloads and storage to verify integrity after transfer?
A parity byte (longitudinal parity) is used mainly to:
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