H44601 computer systems - Study guides, Class notes & Summaries
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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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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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