Converting Between Denary & Binary (OCR GCSE Computer Science): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What range of digits does the denary (decimal) number system use?
What range of digits does the denary (decimal) number system use?
0 to 9
How many different digits are used in the binary number system?
How many different digits are used in the binary number system?
Two digits: 0 and 1
What is the largest denary value that can be represented using 8 bits in binary?
What is the largest denary value that can be represented using 8 bits in binary?
255
Where is the Most Significant Bit (MSB) located in a binary number?
Where is the Most Significant Bit (MSB) located in a binary number?
Furthest to the left
What value does the Least Significant Bit (LSB) hold in a binary number?
What value does the Least Significant Bit (LSB) hold in a binary number?
The smallest value
When converting denary to binary, which column value should you start with?
When converting denary to binary, which column value should you start with?
128 (leftmost column)
What is 56 in denary when converted to 8-bit binary?
What is 56 in denary when converted to 8-bit binary?
00111000
How do you convert a binary number to denary?
How do you convert a binary number to denary?
Add up values where there's a 1
What is the denary value of the binary number 01010101?
What is the denary value of the binary number 01010101?
85
Why would you add leading zeros to a binary number like 11010?
Why would you add leading zeros to a binary number like 11010?
To make it 8 bits and easier to work with
What are the column values in the conversion table for 8-bit binary (from left to right)?
What are the column values in the conversion table for 8-bit binary (from left to right)?
128, 64, 32, 16, 8, 4, 2, 1
When converting denary to binary, what do you write if the number doesn't fit in a column?
When converting denary to binary, what do you write if the number doesn't fit in a column?
Write a 0