J277 Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about J277? On this page you'll find 155 study documents about J277.
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OCR GCSE (9–1) Computer Science J277/02 Computational thinking, algorithms and programming Question Paper 2024
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OCR GCSE (9–1) Computer Science J277/02 Computational thinking, algorithms and programming Question Paper 2024
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OCR GCSE (9–1) Computer Science J277/01 Computer Systems Question Paper 2024
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OCR GCSE (9–1) Computer Science J277/01 Computer Systems Question Paper 2024
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Official Summer 2024 OCR GCSE Computer Science J277/02: Computational thinking, algorithms and Programming Merged Question Paper + Mark Scheme
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Official Summer 2024 
OCR 
GCSE 
Computer Science 
J277/02: Computational thinking, algorithms and 
Programming 
Merged Question Paper + Mark Scheme
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IWEF -NETWORKS AND TOPOLOGIES -J277 EXAM 2024
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IWEF -NETWORKS AND TOPOLOGIES -J277 EXAM 2024...
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GCSE J277 All Unit 1 Questions & Correct Answers | Grade A+
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A computer has a quad core processor, what does this mean? 
: The computer has 4 separate cores, each capable of running cycles, so more cycles can 
be run simultaneously 
The Program counter is incremented by an amount governed by the Control Unit..True or 
False? 
: False - the PC increments by one ,unless in a jump <- not for GCSE 
The Decode part of the cycle is actioned by the CIR 
: False - is completed by the control unit 
What comes next....the address bus points at the correct addr...
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Computer Science OCR j277 Questions & Correct Answers | Grade A+
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What is the CPU? 
: Central Processing Unit 
Processes all information 
What is the fetch-execute cycle? 
: 1. Fetch The next instruction from memory 
2. Decode the Instruction 
3. Get data if needed 
4. Execute the instruction (repeat) 
What is the ALU? 
: Arithmetic logic unit. Part of the CPU that carries out two types of operations: 
calculations & decisions. 
What is the CU? 
: control unit. It manages the instructions. 
2 
What is cache? 
: Temporary memory. Small amount of high-speed RAM...
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J277 PROGRAMMING EXAM LATEST UPDATE
- Exam (elaborations) • 7 pages • 2024
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J277 PROGRAMMING EXAM LATEST UPDATE...
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OCR J277 EXAM LATEST UPDATE
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OCR J277 EXAM LATEST UPDATE...
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Official Summer 2024 OCR GCSE Computer Science J277/01: Computer systems Merged Question Paper + Mark Scheme
- Exam (elaborations) • 39 pages • 2024
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Official Summer 2024 
OCR 
GCSE 
Computer Science 
J277/01: Computer systems 
Merged Question Paper + Mark Scheme
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