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# AQA A2 COMP 3 Computing 2015 - Official Thread watch

1. (Original post by ScruffyQuaver)
Well done

I did some hardcore revision for comp3 today (about 4 hours), found it actually pretty easy to revise. Using past papers, YouTube, Wikibooks and MultiWingSpan. There are a lot of resources available.

Opinion on setting up a WhatsApp chat group to ask questions and help each other? Obviously only worth it if there are several members
Might have to reinstall whatsapp for this ugh 😂
2. I got predicted 56/75 in COMP4. Do I still have a chance to get an A* overall, considering I got an A in AS?
3. (Original post by Artur96)
I got predicted 56/75 in COMP4. Do I still have a chance to get an A* overall, considering I got an A in AS?
If Comp3 was unusually hard and you got 100 UMS maybe yes.
4. (Original post by El-Presidente)
If Comp3 was unusually hard and you got 100 UMS maybe yes.
You mean unusually easy, right?
5. (Original post by Artur96)
You mean unusually easy, right?
No, he means hard so that the boundaries for UMS are much lower.
If you were to get 60 UMS in COMP4 you would need 120 UMS in COMP3 (full marks)
6. I did a 'zigzag' paper today, and they asked questions about bubble sort, will it be likely to come up on comp3 as I thought it was more of a comp1 thing?

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7. (Original post by AnnieFraz)
I did a 'zigzag' paper today, and they asked questions about bubble sort, will it be likely to come up on comp3 as I thought it was more of a comp1 thing?

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Yeah bubble sort can come up. Bubble sort is an О(n2) operation. Therefore a question could come up where they ask you to identify what time complexity a Bubble sort is or Quick Sort or another sorting algorithm.
8. (Original post by Async)
Yeah bubble sort can come up. Bubble sort is an О(n2) operation. Therefore a question could come up where they ask you to identify what time complexity a Bubble sort is or Quick Sort or another sorting algorithm.
Oh okay that makes sense. Thank you
9. (Original post by Async)
Yeah bubble sort can come up. Bubble sort is an О(n2) operation. Therefore a question could come up where they ask you to identify what time complexity a Bubble sort is or Quick Sort or another sorting algorithm.
We have to know about quicksort?
10. (Original post by Robbo54)
We have to know about quicksort?
Yeah

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11. (Original post by Robbo54)
We have to know about quicksort?
They constantly ask about quick sort in Comp3, and they also give pseudo code of quick sort algorithms too.
12. (Original post by Async)
Yeah bubble sort can come up. Bubble sort is an О(n2) operation. Therefore a question could come up where they ask you to identify what time complexity a Bubble sort is or Quick Sort or another sorting algorithm.
The other one is insertion sort right? We only need to know them three?

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13. (Original post by ComputingIsLife)
The other one is insertion sort right? We only need to know them three?

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Not entirely sure, just know all of them for knowledge sake ..
Insertion Sort, Quick Sort and Bubble Sort is all I think.
14. (Original post by Async)
Not entirely sure, just know all of them for knowledge sake ..
Insertion Sort, Quick Sort and Bubble Sort is all I think.
(Original post by ComputingIsLife)
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Binary Search
Insertion Sort
Bubble Sort
Quick Sort

These are the ones we need
15. (Original post by ScruffyQuaver)
Binary Search
Insertion Sort
Bubble Sort
Quick Sort

These are the ones we need
Thanks mayte
16. (Original post by ScruffyQuaver)
Binary Search
Insertion Sort
Bubble Sort
Quick Sort

These are the ones we need
Love it when 3 out of the 4 are covered in D1 :P
17. (Original post by Iridann)
Love it when 3 out of the 4 are covered in D1 :P
Ready for it day after tomorrow?

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18. (Original post by Iridann)
Love it when 3 out of the 4 are covered in D1 :P
Aha yeah although when you do them in both lessons on the same day it become a bit tedious! Cheers guys 😀

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19. (Original post by ScruffyQuaver)
Binary Search
Insertion Sort
Bubble Sort
Quick Sort

These are the ones we need
Thanks 😀

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20. hey guys,

i was wondering if it is possible to download a file from the web if it is locked. i know that this might be unrelated to this thread but i thought you guys know better.

many thanks

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