Ocr computer science Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Ocr computer science? On this page you'll find 768 study documents about Ocr computer science.
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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 AS Level Computer Science (H046-02) June2022 Mark Scheme.
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ocr AS Level Computer Science (H046-02) June2022 Mark Scheme.
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OCR Computer Science Exam with Guaranteed Accurate Answers
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What is the purpose of systems software? - correct answer Software designed to run or maintain a computer Describe the functionality of systems software. - correct answer It controls the operations of computer hardware What is an operating system? - correct answer A piece of software responsible for running the computer, managing hardware, applications, users and resources What are the 5 things that operating systems are used for? - correct answer providing a UI, memory management/multi...
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GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS
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GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS
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OCR AS Level Computer Science H046/01 JUNE 2023 QUESTION PAPER: Computing Principles
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This is the official question paper
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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 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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A level OCR Computer Science 1.2 Exam 2024 Questions & Answers 100% Verified!
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What does the operating system do? - ANSWERScommunicates between the hardware and (the user and the software) Provides an interface for the users How is the operating system loaded to RAM - ANSWERSThe boot loader in ROM loads the Operating System into RAM What are the functions of the operating system - ANSWERSUser interface Memory management Interrupt handling Processor scheduling What is the purpose of the user interface - ANSWERSGives user an intuitive way of interacting with com...
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ocr computer science EXAM STUDY GUIDE
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ocr computer science EXAM STUDY GUIDE
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OCR Computer Science A level paper 1 Exam 2024 Questions & Answers 100% Correct!
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PC - ANSWERSProgram counter, contains the address of the next instruction CIR - ANSWERSCurrent Instruction Register: stores the address of the next instruction currently being executed and decoded MAR - ANSWERSMemory Address Register, holds relevant memory address (to read from or write to) MDR - ANSWERSMemory Data Register, stores data being transferred to and from memory, acts as a buffer ALU - ANSWERSArithmetic and Logic Unit, does all mathematical calculations and makes all logic...
