H44601 - Study guides, Class notes & Summaries
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OCR GCE A LEVEL 2022 COMPUTER SCIENCE MARKSCHEMES H446-1 PAPER 1-H446/01: Computer systems
- Exam (elaborations) • 30 pages • 2023
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OCR GCE A LEVEL 2022 COMPUTER SCIENCE QUESTION PAPER H446-1 PAPER 1-H446/01 Computer Systems
- Exam (elaborations) • 32 pages • 2023
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Answer all questions. 
1 A charity uses a desktop computer to record financial donations that it receives. The computer 
contains a single core, 2.4GHz processor with 2MB cache. 
(a) The processor uses the Von Neumann architecture. 
(i) Describe what is meant by the term ‘Von Neumann architecture’. 
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Actual 2024 OCR GCE Computer Science H446/01: Computer systems A Level MergedQuestion Paper + Mark Scheme
- Exam (elaborations) • 64 pages • 2024
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Actual 2024 OCR GCE Computer Science H446/01: Computer systems A Level MergedQuestion Paper + Mark 
Scheme
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OCR Computer Science (A Level) H446_01 Computer systems mark-scheme june 2024
- Exam (elaborations) • 33 pages • 2024
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OCR Computer Science (A Level) H446_01 Computer systems mark-scheme june 2024
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OCR Computer Science (A Level) H446_01 Computer systems question-paper june 2024
- Exam (elaborations) • 27 pages • 2024
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OCR Computer Science (A Level) H446_01 Computer systems question-paper june 2024
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Computer Science H446/01: Computer systems A Level
- Exam (elaborations) • 35 pages • 2024
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Computer Science 
H446/01: Computer systems 
A Level
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Computer Science H446/01 Set 2 Computer Systems practice paper review
- Exam (elaborations) • 3 pages • 2024
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Computer Science H446/01 Set 2 Computer 
Systems practice paper review 
Describe one difference between paging and segmentation - answerIn paging memory is 
divided into fixed sizes. 
Segmentation divides memory logically (i.e. variable size) 
Interrupt - answerA signal to the processor indicating a device/process needs attention 
Describe what happens in the CPU when it receives an interrupt - answer1). If the interrupt 
is of a lower or equal priority to the current process then the current pr...
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OCR Computer Science H446/01: Computer systems Advanced GCE 2020
- Exam (elaborations) • 28 pages • 2021
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OCR Computer Science H446/01: 
 Computer systems Advanced GCE 2020
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