Gcse computer science ocr - Study guides, Class notes & Summaries
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OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%GUARANTEED PASS!
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OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%GUARANTEED PASS!
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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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OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%GUARANTEED PASS!
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OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%GUARANTEED PASS!
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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 
 
 
 
 
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what happens at the decode stage? 
the CPU und...
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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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GCSE COMPUTER SCIENCE OCR EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS LATEST UPDATE 2024-2025
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GCSE COMPUTER SCIENCE OCR EXAM 
QUESTIONS AND CORRECT VERIFIED 
ANSWERS LATEST UPDATE
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OCR 2023 GCSE Computer Science J277/01: Computer systems Question Paper & Mark Scheme (Merged)
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2 
© OCR 2023 
1 Computers represent data in binary form. 
(a) Tick () one box to identify the statement about binary that is true. 
Binary digits can only be the values 0, 1 and 2 
The left-most bit of a binary integer has the smallest value 
Binary is used because computers are made of switches that can only be on or off 
The smallest whole number that can be stored in 8 bits is the number 1 
[1] 
(b) Complete the table by writing the missing denary, 8-bit binary or hexadecimal values. 
Denar...
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