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Tutor HuntTest QuestionsComputing QuestionsYear 10 Computing Questions

 

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.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which of the following is a reason to use Unicode instead of ASCII for text storage?
If odd parity is used, how does an odd parity check detect a single-bit error in a byte?
Why might a musician prefer lossless compression over lossy compression for a master recording?
Which character encoding can represent most of the world’s writing systems, including emoji?
What does two’s complement allow a binary system to represent?
Why must numeric user input (e.g., price) often be converted to binary in a payment terminal?
Which statement correctly describes sample resolution (bit depth) in digital audio?
How many bytes are there in 4 kilobytes (using 1 KB = 1024 bytes)?
Which hexadecimal value corresponds to the 16-bit binary 1010000000111101?
How many bits are required to store 65 536 distinct values?
Which of these is a stronger error-detection method than a single parity bit?