Ocr j277 Study guides, Class notes & Summaries

ocr GCSE Computer Science J277-02 May2023 Question Paper.

ocr GCSE Computer Science J277-01 May2023 Question Paper.

COMPUTER SCIENCE OCR J277 EXAM 2024...

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...

Dry Run Testing : Walking through an algorithm with sample data, running each step manually to check the program Trace Table : A table that follows the values of variables to check for accuracy. Syntax Error : An error in the grammar of the programming language, the code will not run Logic Errors : A type of error where the program runs but outputs the wrong results Linear Search : a method for finding a target value within a list. It sequentially checks each element of the list for...

OCR GCSE Computer Science J277/01: Computer systems General Certificate of Secondary Education Mark Scheme for June 2024

OCR J277 EXAM LATEST UPDATE...