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Data Storage And Compression (GCSE Computing)
The following is a GCSE Computing test covering 'Data Storage And Compression' from the broader topic 1. Data Representation. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.Incorrect: 0
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Question 1
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How many bytes are there in 4 kilobytes (using 1 KB = 1024 bytes)?
Which of these is a stronger error-detection method than a single parity bit?
Which option is a correct example of a header field in a packet sent across a network?
Which hexadecimal value corresponds to the 16-bit binary 1010000000111101?
What is the purpose of a parity bit added to a byte in transmission?
What does two’s complement allow a binary system to represent?
How many different characters can standard 7-bit ASCII represent?
Which character encoding can represent most of the world’s writing systems, including emoji?
How many unique patterns can a 12-bit register represent?
Which statement correctly describes sample resolution (bit depth) in digital audio?
How many bits are required to store 65 536 distinct values?
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