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Tutor HuntTest QuestionsComputing QuestionsYear 10 Computing Questions

 

Types And Methods Of Data Transmission (GCSE Computing)

The following is a GCSE Computing test covering 'Types And Methods Of Data Transmission' from the broader topic 2. Data Transmission. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.
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Which of the following is an error-correcting code that can detect and correct single-bit errors in a block of bits?
In asynchronous serial communication, what is the purpose of start and stop bits?
Which transmission method sends one bit at a time down a single wire?
What is jitter in a network context?
In packet switching, which device directs packets along different routes across a network?
Which device forwards frames in a LAN by learning MAC addresses and sending frames only to the destination port?
Which protocol uses collision avoidance instead of collision detection and is commonly used by Wi-Fi?
If column parity indicates an odd parity mismatch only in column 5 and row parity indicates a mismatch in byte 3, which bit is erroneous?
What does latency refer to in a network?
Which encoding method guarantees at least one transition per bit period and is used for clock recovery?
Which CRC, checksum or parity method can detect many burst errors and is based on polynomial division?