Converting Between Binary and Decimal (AQA 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 digits does the binary number system use?
What digits does the binary number system use?
Only 0s and 1s
What pattern do binary place values follow moving from right to left?
What pattern do binary place values follow moving from right to left?
Each value doubles
Which formula represents binary place values, where is the position from the right?
Which formula represents binary place values, where is the position from the right?
What is the largest place value in an 8-bit binary number?
What is the largest place value in an 8-bit binary number?
128
How do you convert binary to decimal?
How do you convert binary to decimal?
Add place values where there's a 1
What is in decimal?
What is in decimal?
39
What method is used to convert decimal to binary?
What method is used to convert decimal to binary?
Subtraction
When converting decimal to binary, if a place value fits, what do you do?
When converting decimal to binary, if a place value fits, what do you do?
Put 1, subtract value
What is the largest decimal number you can represent with 8 bits?
What is the largest decimal number you can represent with 8 bits?
255
How many times can you use each place value when converting decimal to binary?
How many times can you use each place value when converting decimal to binary?
Once
When converting binary to decimal, where should you align the binary number?
When converting binary to decimal, where should you align the binary number?
From the right (1s column)
How should you check your binary-decimal conversion answer?
How should you check your binary-decimal conversion answer?
Convert back the other way