Gcse computer science ocr - Study guides, Class notes & Summaries
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GCSE Computer Science OCR Complete Revision & Practice - for assessments in 2021
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ocr GCSE Computer Science J277/02 May2023 Question Paper.
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ocr GCSE Computer Science J277-02 May2023 Question Paper.
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ocr GCSE Computer Science J277/01 May2023 Question Paper.
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ocr GCSE Computer Science J277-01 May2023 Question Paper.
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OCR GCSE (9–1) Computer Science J277/01 JUNE 2023 MARK SCHEME: Computer Systems
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This is the final mark scheme
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OCR GCSE COMPUTER SCIENCE PAPER 1 TEST QUESTIONS AND ANSWERS.
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what is the purpose of the CPU? 
to process data by following the fetch-decode-execute cycle, it's incharge of searching, sorting, calculating and decision making 
 
 
 
what happens at the fetch stage? 
the CPU fetches data and instructions from RAM and then stores them in it's own temporary memory called registers 
 
 
 
 
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what happens at the decode stage? 
the CPU und...
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COMPUTER SCIENCE OCR GCSE COMPONENTS OF A COMPUTER SYSTEM EXAM QUESTIONS AND ANSWERS
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COMPUTER SCIENCE OCR GCSE COMPONENTS OF A COMPUTER SYSTEM EXAM QUESTIONS AND ANSWERS
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GCSE COMPUTER SCIENCE OCR EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS LATEST UPDATE 2024-2025
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GCSE COMPUTER SCIENCE OCR EXAM 
QUESTIONS AND CORRECT VERIFIED 
ANSWERS LATEST UPDATE
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GCSE COMPUTER SCIENCE OCR (COMPONENTS TEST QUESTIONS AND ANSWERS)
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Computer 
A machine that processes data. 
 
 
 
Embedded Systems 
Computers built into other devices, like dishwashers, microwaves and TVs. 
 
 
 
 
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CPU 
Known as the 'brain' of the computer. 
It processes all of the data and instructions that make the systems work. 
 
 
 
Characteristics which affect the processing power of the CPU 
- Clock speed 
- Number of cores 
- C...
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