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OCR GCSE Comp Sci Paper 2 FINAL EXAM WITH CORRECT ANSWERS
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OCR GCSE Comp Sci Paper 2 FINAL EXAM WITH CORRECT ANSWERS
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OCR GCSE Comp Sci Paper 2 FINALEXAM WITH CORRECT ANSWERS
Algorithm - correct answer -A list of steps to solve a problem
Decomposition - correct answer -Breaking a complex problem down into sub-problems
Abstraction - correct answer -Hiding or removing irrelevant details from a problem to reduce complexity
Algorithmic Thinking - correct answer -A logical way of getting from the problem to the solution
Searching Algorithms - correct answer -The step-by-step procedure used to find a specific item in a data
set
Binary Search advantages: - correct answer -Very efficient / Fast for large lists
Binary Search disadvantages: - correct answer -Only works on ordered lists / May not be as effective
with smaller lists
Linear Search advantages: - correct answer -Simple / Works well with small lists / Works on unordered
lists
Linear Search disadvantages: - correct answer -Slow with long lists / Gets quite inefficient
Sorting algorithms - correct answer -The step-by-step procedure used to arrange a data set into an
ordered one
Bubble Sort advantages: - correct answer -Simple / Efficient to check if a list is already ordered / Uses
little memory
, Bubble Sort disadvantages: - correct answer -Inefficient / Doesn't work well with large lists
Merge Sort advantages: - correct answer -Efficient / Quicker than Bubble
Merge Sort disadvantages: - correct answer -Slow for small lists / Goes thru huge process, even if
already sorted / Lots of memory
Insertion Sort advantages: - correct answer -Easily coded / Works well with small lists / Doesn't need
much memory / Quick at checking list is already sorted
Insertion Sort disadvantages: - correct answer -Doesn't work well with large lists
Integer - correct answer -Whole numbers / negative numbers
Float/real - correct answer -Decimal number
Boolean - correct answer -Used when there is only two options to chose from / usually TRUE or FALSE
Character - correct answer -Letter, number or symbol
String - correct answer -Words / sentences
Mutiplication - correct answer -*
MOD operator - correct answer -Returns remainder part of division
DIV operator - correct answer -Returns whole number part of division
Not equal to - correct answer -!=
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