Computer science ocr Study guides, Class notes & Summaries

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GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS

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 Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen 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

Primary Memory Memory that can be addressed and accessed directly by the processor. 2 types of primary memory ->RAM (Random Access Memory) -> RAM (Read Only Memory) Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen RAM (Random Access Memory) -> Stores parts of the OS currently being used by the computer for access by the CPU -> Stores programs currently running for access by the CPU ->...

Computer A machine that processes data. Embedded Systems Computers built into other devices, like dishwashers, microwaves and TVs. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:11 / 0:15 Full screen 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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