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A LEVEL OCR COMPUTER SCIENCE PAPER 1 ACTUAL 2026 QUESTIONS AND 100% CORRECT ANSWERS

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A LEVEL OCR COMPUTER SCIENCE PAPER 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS ALU (Arithmetic Logic Unit) - Answer -completes all of the arithmetical and logical operations. What is the CU (Control Unit) responsible for? - Answer -- Controlling and coordinating the activities of the processor. - Managing the flow of data between the processor and other devices. - Accepting the next instruction. - Decoding instructions - Storing the resulting data back in memory.Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: What is a Register? - Answer -small memory cells that operate at a very high speed, being used to temporarily store data and conduct all arithmetic, logical, and shift operations. Program Counter (PC) - Answer -holds the address of the next instruction to b

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Uploaded on
January 9, 2026
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Written in
2025/2026
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  • a level ocr computer science paper 1 actual 2025
  • a level ocr computer science paper 1 actual 2026
  • alu arithmetic logic unit answer completes al
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