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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 sign-magnitude representation of -13?
Convert binary 111100001111 to hexadecimal.
What is the 8-bit two`s complement representation of -1?
How many bits are in one byte?
Convert binary 101011000111 to hexadecimal.
Add the two 8-bit binary numbers 00110011 and 01100001; give the 8-bit result (ignore carry out).
What is the decimal value of hex 1A?
How many bits are needed to represent at least 1000 different values?
Compute the bitwise XOR of 1100 and 1010 (4-bit).
Which character set supports a very large range of international characters (more than ASCII)?
What is the result of the binary addition 0101 + 0011?
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