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Exam (elaborations)
A-level COMPUTER SCIENCE 7517/2 Paper 2 Mark scheme June 2021 GRADED A+
A-level COMPUTER SCIENCE 7517/2 Paper 2 Mark scheme June 2021 GRADED A+ 
A-level Computer Science 
Paper 2 
June 2021 
To Examiners: 
• When to award '0' (zero) when inputting marks on CMI+ 
A mark of 0 should be awarded where a candidate has attempted a question but failed to 
write anything credit worthy. 
Insert a hyphen when a candidate has not attempted a question, so that eventually the 
Principal Examiner will be able to distinguish between the two (not attempted / nothing 
credit worth...
Exam (elaborations)
Aqa A- Level Computer Science Paper 2 Marking Scheme 2021
PopularAqa A- Level Computer Science Paper 2 Marking Scheme 2021