Embedded Files
What you need to know:-
What you need to know:-
For this topic you need to know all of AS plus these extra bullet points:-
Please use the AS page first to ensure you have learnt this work.
Representation of numbers as bit patterns - Explain and use shift functions: logical and arithmetic shifts. Interpret and apply shifts in algorithms and programs.
Representation of numbers as bit patterns - Describe the causes of overflow and underflow.
Check understanding:
Check understanding:
How to solve WJEC Specimen Question 7
How to solve WJEC Specimen Question 7
Try the question yourself first and then watch video to check your answer and methodology
Here is a question on truncation and rounding and the corresponding mark scheme:
WJEC 2017
Here is another question from the same paper and the corresponding mark scheme:
WJEC 2017
Note: When doing Binary Addition, you often get a mark for the carry line, so make sure you clearly show it.
Page updated
Report abuse