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GCSE Computer Science · OCR

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Course

1. Computer Systems

1.1 Systems Architecture

1.1.1 Architecture of the CPU 1.1.2 CPU Performance 1.1.3 Embedded Systems Module Review

1.2 Memory and Storage

1.2.1 Primary Storage (Memory)1.2.2 Secondary Storage 1.2.3 Units 1.2.4 Data Storage 1.2.5 Numbers 1.2.6 Characters 1.2.7 Images 1.2.8 Sound 1.2.9 Compression Module Review

1.3 Computer Networks, Connections and Protocols

1.3.1 Networks and Topologies 1.3.2 Roles of Computers in Network Types 1.3.3 Hardware for Local Area Networks (LANs)1.3.4 The Internet as a Collection of Networks 1.3.5 Star and Mesh Network Topologies 1.3.6 Wired and Wireless Networks, Protocols and Layers Module Review

1.4 Network Security

1.4.1 Threats To Computer Systems and Networks 1.4.2 Identifying and Preventing Vulnerabilities Module Review

1.5 Systems Software

1.5.1 Operating Systems 1.5.2 Utility Software Module Review

2. Computational Thinking, Algorithms and Programming

2.1.1 Computational Thinking 2.1.2 Designing, Creating and Refining Algorithms 2.1.3 Searching Algorithms 2.1.4 Sorting Algorithms Module Review

2.2 Programming Fundamentals

2.2.1 Programming Fundamentals 2.2.2 Programming Constructs 2.2.3 Data Types 2.2.4 String Manipulation 2.2.5 File Handling 2.2.6 SQL (Structured Query Language)2.2.7 Arrays 2.2.8 Subprograms 2.2.9 Random Number Generation Module Review

2.3 Producing Robust Programs

2.3.1 Defensive Design 2.3.2 Testing Module Review

2.4 Boolean Logic

2.4.1 Boolean Logic Module Review

2.5 Programming Languages and Integrated Development Environments

2.5.1 Languages 2.5.2 The Integrated Development Environment (IDE)Module Review

Subjects2.2 Programming Fundamentals2.2.7 Arrays

2.2.7 Arrays

In this lesson, you will learn how arrays store multiple related values under a single identifier. You will explore one-dimensional and two-dimensional arrays, learn how indices are used to access individual elements, compare OCR Exam Reference Language arrays with Python lists, and use loops to process the values stored in arrays.

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Arrays

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One-Dimensional Arrays

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Two-Dimensional Arrays

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Features

Explore how Knowness supports GCSE learning.

Embedded InteractionsFlashcards and exercises appear inside lessons at the moment they matter.Spaced RepetitionDue cards come back at the right time using memory science.Predicted GradesProgress signals build into a clearer view of where a student is heading.BattlesFast competitive revision against another learner or a practice opponent.Deck ManagerOrganise revision cards by subject, lesson, module, and due status.

Schools Parents Pricing