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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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What is the purpose of a parity bit added to a byte in transmission?
When converting the denary number 221 to 8-bit binary, what is the correct result?
How many unique patterns can a 12-bit register represent?
How many different characters can standard 7-bit ASCII represent?
How many bits are required to store 65 536 distinct values?
Which character encoding can represent most of the world’s writing systems, including emoji?
Why must numeric user input (e.g., price) often be converted to binary in a payment terminal?
Which hexadecimal value corresponds to the 16-bit binary 1010000000111101?
How many bytes are there in 4 kilobytes (using 1 KB = 1024 bytes)?
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?
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