Data Representation - Hexadecimal (GCSE Computing)

The following is a GCSE Computing test covering 'Data Representation - Hexadecimal'

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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 3C - 1F in hexadecimal?

What is the range of values a single hexadecimal digit can represent (in decimal)?

What is the decimal value of hexadecimal 2F?

In the byte 0x3C, what is the high nibble (the leftmost 4 bits) in hexadecimal?

Convert decimal 255 into hexadecimal.

How many different values can two hexadecimal digits represent?

What is A + 5 in hexadecimal?

What is the decimal value of hexadecimal ABC?

Calculate 5A + 2E in hexadecimal.

What does the prefix 0x before a number typically indicate?

What is 0x100 - 0x01 expressed in hexadecimal?

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