lenalong02
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Is anyone else completely failing computer science? It just doesn't make sense to me? Anyone that is doing relatively well (by that I literally mean a grade 5 student), can you give me some advice on how to improve my grades quickly?
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username3793258
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Computer science isn't too hard to understand, just (a) make sure you know your definitions and terminology thoroughly and (b) practice doing questions and self-marking. Also ensure you know any complicated processes which need revision, such as the fetch-decode-execute cycle
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winterscoming
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Are there particular topics which aren't making sense, such as Binary or Programming, or are you struggling to remember terminology and definitions for things?

If you're struggling to the point where you need to go right back to the basics, have a look at these videos. There's about 6 hours of videos on here and some notes/exercises, but he pretty much starts from 0 knowledge and explains a few topics in very simple terms. He's pretty interesting and entertaining as far as CS teachers go, so a bit more fun to watch than most CS videos,
https://www.edx.org/course/cs50s-und...ing-technology

Have a look at the Computer Science pages on BBC Bitesize too, and try the tests on there, most of it should be relevant to you:
https://www.bbc.co.uk/education/subjects/z34k7ty

If you're having trouble with Python syntax or programming problems, try working through these online Python lessons (It's free - you can ignore the paid-for stuff..)
https://www.codecademy.com/learn/learn-python

Similarly, if you need to work on SQL (Assuming you need to do SQL for your course?) - try these:
https://www.codecademy.com/learn/learn-sql

It's also a good idea to google for past papers and try using those to make sure you're comfortable with the kinds of questions they ask, but also to have more to practice and learn with, especially the types of problem-solving questions related to explaining the output of some code, or the types of questions where you're asked to analyse a problem.

When it comes to trying to learn terminology, try writing things down in your own words from memory without looking at the text book and then check your own definition against the one in the book to see whether it matches or whether you missed something.

Otherwise, a lot of computer science is about understanding and problem solving, as opposed to just trying to memorise things and cram knowledge, so really it just takes as long as it takes (The same kind of deal as learning maths really). The more time you can put in each week to practice this stuff, the easier it will be to solve those same types of problems in an exam.

Good luck!
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