Hexadecimal (Edexcel GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a nibble?
What is a nibble?
A group of 4 binary digits
How many different symbols does hexadecimal use?
How many different symbols does hexadecimal use?
16
What decimal value does the hexadecimal letter D represent?
What decimal value does the hexadecimal letter D represent?
13
How many hexadecimal digits are needed to represent 8 binary digits?
How many hexadecimal digits are needed to represent 8 binary digits?
2
What is the first step when converting binary to hexadecimal?
What is the first step when converting binary to hexadecimal?
Split into groups of 4 bits from right
What is the decimal value of the binary nibble 1011?
What is the decimal value of the binary nibble 1011?
11
What is the hexadecimal equivalent of binary 1011 0111?
What is the hexadecimal equivalent of binary 1011 0111?
B7
What is the 4-bit binary equivalent of hexadecimal C?
What is the 4-bit binary equivalent of hexadecimal C?
1100
Why are error codes often displayed in hexadecimal?
Why are error codes often displayed in hexadecimal?
Shorter and more memorable than binary
How many bits does a true color system use to represent colors?
How many bits does a true color system use to represent colors?
24
How many 2-digit hexadecimal values represent a color in true color systems?
How many 2-digit hexadecimal values represent a color in true color systems?
3
How many binary digits does each hexadecimal digit represent?
How many binary digits does each hexadecimal digit represent?
Exactly 4