Ocr j277 - Study guides, Revision notes & Summaries
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ocr GCSE Computer Science J277/02 May2023 Question Paper.
- Exam (elaborations) • 21 pages • 2023
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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 Computer Science J277/02 : Computational thinking, algorithms and programming Mark Scheme for June 2024
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OCR GCSE Computer Science J277/02 : Computational thinking, algorithms and programming Mark Scheme for June 2024
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OCR GCSE Computer Science J277/01 : Computer systems Mark Scheme for June 2024
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OCR GCSE Computer Science J277/01 : Computer systems Mark Scheme for June 2024
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Computer Science OCR j277 Questions & Correct Answers | Grade A+
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What is the CPU? 
: Central Processing Unit 
Processes all information 
What is the fetch-execute cycle? 
: 1. Fetch The next instruction from memory 
2. Decode the Instruction 
3. Get data if needed 
4. Execute the instruction (repeat) 
What is the ALU? 
: Arithmetic logic unit. Part of the CPU that carries out two types of operations: 
calculations & decisions. 
What is the CU? 
: control unit. It manages the instructions. 
2 
What is cache? 
: Temporary memory. Small amount of high-speed RAM...
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OCR J277 Questions & Correct Answers | Grade A+
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Dry Run Testing 
: Walking through an algorithm with sample data, running each step manually to check 
the program 
Trace Table 
: A table that follows the values of variables to check for accuracy. 
Syntax Error 
: An error in the grammar of the programming language, the code will not run 
Logic Errors 
: A type of error where the program runs but outputs the wrong results 
Linear Search 
: a method for finding a target value within a list. It sequentially checks each element of 
the list for...
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OCR J277 EXAM LATEST UPDATE
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OCR J277 EXAM LATEST UPDATE...
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