- Study guides, Class notes & Summaries

What is the name of numbers with base-10? Correct Answer decimal What base is binary? Correct Answer Base-2 Why do computers use binary? Correct Answer Computers only perform the function of turning on or off electrical charges; 1 represents electricity on whereas 0 represents electricity off. Why is hexadecimal preferred over binary? Correct Answer simpler to represent a byte in 2 digits rather than 8, less likely to make mistakes, easier to remember Convert Correct Answer 37 Co...

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28 pages

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Grade A+

ExamsGuru

As Level Computer Science Paper 1 May 2023

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19 pages

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reginahgrades1

Complete AQA Computer Science cheat sheet covering expressions, selection, repetition, arrays, binary, hexadecimal, CPU fetch-execute cycle, secondary storage, SQL, client-server models, and more.

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59 pages

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A-LEVEL AQA COMPUTER SCIENCE PAPER 2 FINAL EXAM 2025 WITH CORRECT ANSWERS QUESTIONAccumulator - answer-Stores results of calculations in the ALU QUESTIONProgram Counter (PC) - answer-Holds memory address of the instruction for each cycle QUESTIONFetch - answer-The next instruction is retrieved by CPU from main memory QUESTIONDecode - answer-The instruction is broken down and decided so computer can understand QUESTIONExecute - answer-The CPU performs what the instructions told QUES...

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30 pages

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idahtrevis7

AQA Computer Science (8525) Paper 2 (2025) Exam Latest Already Graded A+

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67 pages

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AQA Computer Science AS Level 3.1.1 - Programming

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5 items

AceMedNotes

AQA Computer Science A Level 4.5.4 - Binary number system-Data Representation

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34 pages

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Immaculate154

Aqa As Level Computer Science Paper 2 June 2024 Final Question Paper And Mark Scheme

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Aqa As Level Computer Science Paper 1 June 2024 Final Question Paper And Mark Scheme

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Aqa A Level Computer Science Paper 2 June 2024 Final Question Paper And Mark Scheme

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Aqa A Level Computer Science Paper 1 June 2024 Final Question Paper And Mark Scheme

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Aqa A Level Computer Science Paper 2 June 2024 Final Question Paper

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40 pages

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Aqa A Level Computer Science Paper 1 June 2024 Final Question Paper

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24 pages

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35 pages

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51 pages

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42 pages

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Aqa As Level Computer Science Paper 2 June 2024 Final Question Paper

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28 pages

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Aqa As Level Computer Science Paper 1 June 2024 Final Question Paper

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16 pages

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Aqa As Level Computer Science Paper 2 June 2024 Final Mark Scheme

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21 pages

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Aqa A Level Computer Science Paper 1 June 2024 Final Question Paper

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24 pages

Written in 2024/2025

Grade A+

Immaculate154