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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 binary representation of the decimal number 13?
How many distinct values can be represented with 8 bits (unsigned)?
What is the 8-bit two’s complement representation of -5?
How many distinct values can be represented with 12 bits?
Add the two 8-bit binary numbers 00110011 and 01100001; give the 8-bit result (ignore carry out).
Convert binary 111100001111 to hexadecimal.
What is the 8-bit sign-magnitude representation of -13?
What is the hexadecimal representation of decimal 200?
What is the result of binary multiplication 101 × 11?
Which of these are valid hexadecimal digits?
What is the decimal value of the binary number 101101?
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