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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

How many bytes are there in 4 kilobytes (using 1 KB = 1024 bytes)?
What is the purpose of a parity bit added to a byte in transmission?
Which storage type uses NAND flash memory and has no moving parts?
Why might a musician prefer lossless compression over lossy compression for a master recording?
If odd parity is used, how does an odd parity check detect a single-bit error in a byte?
Which hexadecimal value corresponds to the 16-bit binary 1010000000111101?
If a sound file is compressed by reducing sample rate from 44.1 kHz to 11.025 kHz, which is most likely?
Which of the following explains why images are often stored in a compressed format?
Which of the following best describes why text is converted to binary before processing by a computer?
Given the 8-bit two’s complement value 11110010, what is its denary value?
What is run-length encoding (RLE) best suited for?