Study guides, Class notes & Summaries

This is the final mark scheme

This is the final mark scheme

GCSE Computer Science exam latest update 2024 with questions & veried answers BRAND NEW Algorithm - ANSWER>>A sequence of steps to be performed to solve a problem Computer Program - ANSWER>>An implementation of an algorithm Data Structure - ANSWER>>Specialized format for storing and organizing data Procedure - ANSWER>>A names section of code which performs a task and does not return a value Function - ANSWER>>A named section of code which performs a task and re...

GCSE Computer Science exam latest update 2024 with questions & veried answers BRAND NEW Algorithm - ANSWER>>A sequence of steps to be performed to solve a problem Computer Program - ANSWER>>An implementation of an algorithm Data Structure - ANSWER>>Specialized format for storing and organizing data Procedure - ANSWER>>A names section of code which performs a task and does not return a value Function - ANSWER>>A named section of code which performs a task and re...

GCSE Computer Science exam latest update 2024 with questions & veried answers BRAND NEW Algorithm - ANSWER>>A sequence of steps to be performed to solve a problem Computer Program - ANSWER>>An implementation of an algorithm Data Structure - ANSWER>>Specialized format for storing and organizing data Procedure - ANSWER>>A names section of code which performs a task and does not return a value Function - ANSWER>>A named section of code which performs a task and re...

GCSE Computer Science (OCR) Exam Questions And Answers (Verified And Updated) Arithmetic Logic Unit (ALU) - answerPerforms operations on data e.g. Addition, subtraction Control Unit (CU) - answerCoordinating activities of the CPU Registers - answerQuick, small stores of data within the CPU Memory Address Register (MAR) - answerHolds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) - answerHolds actual data or instruction Accumulator - answe...

Arithmetic Logic Unit (ALU) Performs operations on data e.g. Addition, subtraction Control Unit (CU) Coordinating activities of the CPU Registers Quick, small stores of data within the CPU Memory Address Register (MAR) Holds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) Holds actual data or instruction Accumulator Stores results of calculations in the ALU

1 Dimensional ArraysA standard list array - one index is needed to search for something in an array. 2 Dimensional ArraysAn array with 2 indexes needed to search - for example a table could be this. Interception of PseudoCodeThe ability to pick out and explain parts of code. Big O'A measure of complexity within a piece of code. RecursionThe process of looping, calling itself in looping. FunctionsA decomposed part of code that has a specific job to output or return somethin

GCSE Computer Science - Data Representation Question and Answer 100% Correct Machine code 1st Generation language - The 1s and 0s that make up the instructions for a computer. This is the lowest level of programming language that all programs must be converted to in order to be executed on a computer. Computers only understand machine code. Assembly language 2nd generation language - One step up from machine code where the individual machine code instructions are represented as simple ...