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Year 9 Computer Science Revision

Year 9 Computer Science Revision

This quiz covers key topics in Year 9 Computer Science, including Data Representation, Computational Thinking, Spreadsheets, Python Programming, and Algorithms. It is designed to help students prepare for their upcoming exams with a focus on the practical application of concepts through tutorials and practice tasks.

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24 questions ready

Start with a quiz

Answer from memory first, then use the existing quiz review flow for anything you miss.

Activities

Quiz24 Questions
Flashcards23 Cards
Study Notes1 Note
Podcast1 Episode

Modules

Learn in sequence

Start with the earlier modules and work forward. Each one builds on the last, so the course gets more advanced as you go.

Year 9 Computer Science Revision

Quiz • 24 Questions

Year 9 Computer Science Revision - Flashcards

Flashcards • 23 Cards

Study Notes

3 min • Summary

Year 9 Computer Science Revision - Podcast

Podcast

Materials

List of Questions24 questions
  1. Question 1
    • True
    • False
  2. Question 2
    • True
    • False
  3. Question 3
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  9. Question 9
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  11. Question 11
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  12. Question 12
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  13. Question 13
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  14. Question 14
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  15. Question 15
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  16. Question 16
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  17. Question 17
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  18. Question 18
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  19. Question 19
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  23. Question 23
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  24. Question 24
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List of Flashcards23 flashcards
  1. Card 1
    HintThink of it as a way to quickly total values.Memory TipSUM = adding things up
  2. Card 2
    HintCounts how many values are present.Memory TipCOUNT = number of things
  3. Card 3
    HintCounts something if a certain value is true.Memory TipCOUNTIF = count with if-condition
  4. Card 4
    HintThe pieces you can see and touch in a computer.Memory TipParts - CPU, RAM, Harddrive
  5. Card 5
    HintThe brain of the computer.Memory TipCPU-Central Processing Unit.
  6. Card 6
    HintChange from 0s and 1s to numbers we use everyday.Memory TipBinary to Denary conversion
  7. Card 7
    HintChanging normal numbers to 0s and 1s.Memory TipDenary to Binary conversion
  8. Card 8
    HintLaws for computer crimes.Memory TipComputer crime law
  9. Card 9
    HintThink of it like the number of shades a painter has in their palette.Memory TipDepth of colours
  10. Card 10
    HintImagine a grid of tiny squares making up the image.Memory TipPixel grid
  11. Card 11
    HintThink of it like a label attached to a picture, describing its features.Memory TipData about the data
  12. Card 12
    HintThink of it as a language with only two words.Memory TipZeroes and Ones
  13. Card 13
    HintThink of it as a shortcut for binary.Memory TipHex for Binary
  14. Card 14
    HintThink of it as a small bite of binary code.Memory TipSmall Binary Bite
  15. Card 15
    HintThink of the difference between a painting with many colours vs. a black and white drawing.Memory TipMore colours, better image
  16. Card 16
    HintThink of a picture on a small screen vs. a large screen.Memory TipMore pixels, bigger image
  17. Card 17
    HintUse place values and powers of 16 to convert each hex digit.Memory TipHex to Denary: Remember those powers of 16!
  18. Card 18
    HintFind the largest power of 16 that fits into the denary number. Repeat for the remainder.Memory TipDenary to Hex: Think powers of 16 and remainders.
  19. Card 19
    HintThink of counting whole objects.Memory TipInteger - whole numbers only, like counting apples.
  20. Card 20
    HintThink of measuring things precisely.Memory TipReal - numbers with decimals, like measuring with a ruler.
  21. Card 21
    HintThink of words or text.Memory TipString - like a chain of characters, enclosed in quotes.
  22. Card 22
    HintThink of yes/no questions.Memory TipBoolean - only true or false, like a switch.
  23. Card 23
    HintThink of comparing numbers or making logical statements.Memory TipBoolean Operators - like comparing and connecting logic.

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