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Edexcel 9-1 GCSE Computer Science Paper 1 Monday 14th May 2018 Unofficial Mark Scheme
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username3963576
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#1
Just completed the exam want to say it went well but I shouldn't be to optimistic.
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lorddemaxus
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#2
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#2
Was easy I guess but I am not expecting a 9 anymore. Last question was hard (probably scrapped 2 marks, 3 marks if I am lucky) and I missed the question with the special condition that can be handled by Caesar cipher. Some of my answers were pretty vague also. I probably lost 10-15 marks in the paper.
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username3963576
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#3
Also I was not sure how to fully answer the 24 bit depth question. I explained that approximately 16 million colours could be used and that was it.
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username3963576
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#4
1. 300 x 200= 60000 Pixels
2. 24 Colour bit depth gives approximately 16 million colours.
3.
2. 24 Colour bit depth gives approximately 16 million colours.
3.
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CompSciMaster
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#5
username3963576
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#6
(Original post by CompSciMaster)
It was 200x300, and is it a problem if you didn’t write pixels after it?
It was 200x300, and is it a problem if you didn’t write pixels after it?
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Varss
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#7
Shailen2064
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#8
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#8
Give 4 features of a compiler
What are two of the things that are stored in the main memory according to the Von Neuman model
What are two of the things that are stored in the main memory according to the Von Neuman model
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CompSciMaster
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#9
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#9
(Original post by Shailen2064)
Give 4 features of a compiler
What are two of the things that are stored in the main memory according to the Von Neuman model
Give 4 features of a compiler
What are two of the things that are stored in the main memory according to the Von Neuman model
2. Only returns error after whole thing is compiled
3. Turns source code into machine code after which no compiler or source code is needed
4. Not sure -
1. Data
2. Programs
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Bros4lyf
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#10
Bros4lyf
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#11
Bros4lyf
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#12
anaby01
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#13
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#13
Best case, worst case of binary search algorithm (2 marks)
Describe Penetration testing (2 marks)
Describe two ways in which the improper disposal of digital devices can have harmful effect on human health (4 marks)
Why are devices connected on a network (2 marks)
Describe Penetration testing (2 marks)
Describe two ways in which the improper disposal of digital devices can have harmful effect on human health (4 marks)
Why are devices connected on a network (2 marks)
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Varss
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#14
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#14
Embedded systems one - monitors light levels and turns on headlights when it's dark and turns them off when there is sufficient light
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lorddemaxus
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#15
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#15
(Original post by Varss)
Embedded systems one - monitors light levels and turns on headlights when it's dark and turns them off when there is sufficient light
Embedded systems one - monitors light levels and turns on headlights when it's dark and turns them off when there is sufficient light
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username3723410
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#16
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#16
Paper went well. Just last question was very weird didn’t cover it in class or anything.
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beffmcleff
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#17
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#17
Can someone remind me of what the last question was again?
Also, according to Wikipedia https://en.wikipedia.org/wiki/Web_colors, the answer to the hexadecimal colour conversion one is 5F 9E A0, which is good since I believe I got that if memory serves.
Also, according to Wikipedia https://en.wikipedia.org/wiki/Web_colors, the answer to the hexadecimal colour conversion one is 5F 9E A0, which is good since I believe I got that if memory serves.
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anaby01
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#18
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#18
(Original post by lorddemaxus)
Is that a 3 mark answer? I put that either the user can press a button or it turns on after a certain time (I put 6 pm).
Is that a 3 mark answer? I put that either the user can press a button or it turns on after a certain time (I put 6 pm).
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Bros4lyf
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#19
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#19
(Original post by anaby01)
Best case, worst case of binary search algorithm (2 marks)
Describe Penetration testing (2 marks)
Describe two ways in which the improper disposal of digital devices can have harmful effect on human health (4 marks)
Why are devices connected on a network (2 marks)
Best case, worst case of binary search algorithm (2 marks)
Describe Penetration testing (2 marks)
Describe two ways in which the improper disposal of digital devices can have harmful effect on human health (4 marks)
Why are devices connected on a network (2 marks)
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FS2001
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#20
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#20
(Original post by Dil007)
Just completed the exam want to say it went well but I shouldn't be to optimistic.
Just completed the exam want to say it went well but I shouldn't be to optimistic.
I struggled on the page with all the mail protocols, forgot to revise them...
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