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Converting Between Denary And Binary (GCSE Computing)

The following is a GCSE Computing test covering 'Converting Between Denary And Binary' from the broader topic 1. Data Representation. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.
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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 statement correctly describes the binary number system?
Give the 12-bit binary representation for the denary number 235.
What signed denary value does the 8-bit two’s complement binary 11111010 represent?
What is the hexadecimal representation of the 12-bit binary 000010010101?
What denary number is represented by the 12-bit binary 000000010110?
What is the maximum unsigned value that can be stored in an 8-bit register?
Give the 12-bit binary representation for the denary number 301.
What is the hexadecimal representation of the 12-bit binary 101011010001?
Convert the denary number 50 into an 8-bit binary number.
What denary value does the 8-bit binary 01000110 equal?
Represent the denary number -78 in 8-bit two’s complement form.