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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 "odd parity" require for each transmitted unit (e.g., byte)?
Which error-detection method is most commonly used with file downloads and storage to verify integrity after transfer?
Which of these is a limitation of a single parity bit per byte?
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?
Which of these is an advantage of using CRC over a simple checksum?
What is meant by "undetected error" in transmission?
Which method is best at detecting burst errors (a group of consecutive flipped bits)?
What does two-dimensional (block) parity combine?
Which of these is true about Hamming codes compared with simple parity?
What does ARQ (Automatic Repeat reQuest) do when an error is detected?
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