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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
Which character set supports a very large range of international characters (more than ASCII)?
What hexadecimal digit corresponds to the 4-bit binary 1010?
What is the denary value of the 8-bit binary 11011010?
For n bits, which formula gives the maximum unsigned integer value?
Interpreting the 8-bit two`s complement binary 10000000 as a signed integer gives what decimal value?
What is the decimal value of the binary number 101101?
How many distinct values can be represented with 8 bits (unsigned)?
Why do programmers and engineers often use hexadecimal when working with binary data?
Convert the decimal number 100 to binary.
What is the BCD representation of the decimal number 47 (two 4-bit groups)?
What is the ASCII 8-bit binary code for the uppercase letter `A`?
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