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Number Systems (GCSE Computing)
The following is a GCSE Computing test covering 'Number Systems' 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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Below a typical questions that will be covered in this test. You final score will be logged on your account
What is the 8-bit binary representation of the decimal number 255?
What is the ASCII 8-bit binary code for the uppercase letter `A`?
Give the 12-bit binary representation of denary 300.
What is the result of binary multiplication 101 × 11?
How many distinct values can be represented with 8 bits (unsigned)?
Which base is hexadecimal?
For n bits, which formula gives the maximum unsigned integer value?
Convert binary 111100001111 to hexadecimal.
How many bits are needed to represent at least 1000 different values?
What is the primary advantage of using hexadecimal to represent binary data?
How many bits are in a nibble?
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