Binary Shifts (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a binary shift?
What is a binary shift?
Moving binary digits left or right
Why do computers use binary shifts for multiplication and division?
Why do computers use binary shifts for multiplication and division?
They are much faster than traditional methods
What happens when you shift a binary number one position to the left?
What happens when you shift a binary number one position to the left?
The number is multiplied by 2
What happens when you shift a binary number one position to the right?
What happens when you shift a binary number one position to the right?
The number is divided by 2
If you shift a binary number 3 positions to the left, what do you multiply it by?
If you shift a binary number 3 positions to the left, what do you multiply it by?
If you shift a binary number 2 positions to the right, what do you divide it by?
If you shift a binary number 2 positions to the right, what do you divide it by?
What is 40 multiplied by after shifting binary 101000 two positions left?
What is 40 multiplied by after shifting binary 101000 two positions left?
4
What result do you get when shifting binary 101000 (40) one position right?
What result do you get when shifting binary 101000 (40) one position right?
20
What is the limitation of right shifts when dividing?
What is the limitation of right shifts when dividing?
Remainders are lost
Why does a left shift multiply a number?
Why does a left shift multiply a number?
Digits move to higher place values