AQA A-level COMPUTER SCIENCE
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AQA A LEVEL COMPUTER SCIENCE 1
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Latest notes & summaries AQA A-level COMPUTER SCIENCE
AQA A-level COMPUTER SCIENCE 75172 Paper 2 June 2021 Question Paper 
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A bitmap image is 1000 pixels wide by 800 pixels high. 
The image takes up 400 kB of storage space when represented as a bitmap, excluding metadata. 
Calculate the maximum number of different colours that could appear in the image. 
You should show your working. 
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The same image can also be represented using vector graphics. 
The vector graphics representation of the image takes up 2 kB of storage space....
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AQA A-level COMPUTER SCIENCE•AQA A-level COMPUTER SCIENCE
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AQA A LEVEL COMPUTER SCIENCE 7517/2 PAPER 2 QUESTION PAPER AND MARK SCHEME• By papersMASTERS01
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AQA A-level COMPUTER SCIENCE 75172 Paper 2 June 2021 Question Paper 
0 
1 
. 
1 
A bitmap image is 1000 pixels wide by 800 pixels high. 
The image takes up 400 kB of storage space when represented as a bitmap, excluding metadata. 
Calculate the maximum number of different colours that could appear in the image. 
You should show your working. 
0 
1 
. 
2 
The same image can also be represented using vector graphics. 
The vector graphics representation of the image takes up 2 kB of storage space....
AQA A LEVEL COMPUTER SCIENCE PAPER 2 MARK SCHEME 7517 
The following annotation is used in the mark scheme: 
; -means a single mark 
// -means alternative response 
/ -means an alternative word or sub-phrase 
A.- means acceptable creditworthy answer 
R.- means reject answer as not creditworthy 
NE. - means not enough 
I.- means ignore 
DPT. - in some questions a specific error made by a candidate, if repeated, could result in the 
loss of more than one mark. The DPT label indicates that this mis...
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- Exam (elaborations)
- • 28 pages's •
-
AQA A LEVEL COMPUTER SCIENCE•AQA A LEVEL COMPUTER SCIENCE
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AQA A LEVEL COMPUTER SCIENCE 7517/2 PAPER 2 QUESTION PAPER AND MARK SCHEME• By papersMASTERS01
Preview 3 out of 28 pages
AQA A LEVEL COMPUTER SCIENCE PAPER 2 MARK SCHEME 7517 
The following annotation is used in the mark scheme: 
; -means a single mark 
// -means alternative response 
/ -means an alternative word or sub-phrase 
A.- means acceptable creditworthy answer 
R.- means reject answer as not creditworthy 
NE. - means not enough 
I.- means ignore 
DPT. - in some questions a specific error made by a candidate, if repeated, could result in the 
loss of more than one mark. The DPT label indicates that this mis...
AQA-A-level COMPUTER SCIENCE 7517/1 Paper 1 Mark scheme June 2020
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- • 48 pages's •
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AQA-A-level COMPUTER SCIENCE•AQA-A-level COMPUTER SCIENCE
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AQA-A-level COMPUTER SCIENCE 7517/1 Paper 1 Mark scheme June 2020
AQA-A-level COMPUTER SCIENCE 7517/2 Paper 2 Mark scheme June 2020
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- • 24 pages's •
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AQA-A-level COMPUTER SCIENCE•AQA-A-level COMPUTER SCIENCE
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AQA-A-level COMPUTER SCIENCE 7517/2 Paper 2 Mark scheme June 2020
AQA-A-level Computer Science Paper 1 Mark scheme 2021
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- • 13 pages's •
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AQA-A-level Computer Science•AQA-A-level Computer Science
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AQA-A-level Computer Science Paper 1 Mark scheme 2021
AQA A-level COMPUTER SCIENCE 
7517/2 Paper 2 Mark scheme June 2021
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- Exam (elaborations)
- • 28 pages's •
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AQA A-level COMPUTER SCIENCE•AQA A-level COMPUTER SCIENCE
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AQA A-level COMPUTER SCIENCE Paper 2 QP 2021 & AQA A-level COMPUTER SCIENCE 7517/2 Paper 2 Mark scheme June 2021• By LeCrae
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AQA A-level COMPUTER SCIENCE 
7517/2 Paper 2 Mark scheme June 2021