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A-Level Exam Resources

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Lesson Presentations
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OCR Unit 1 Lesson Presentations
1.1.1 Structure and function of the processor
1.1.2 Types of processor
1.1.3 Input, output and storage
1.2.1 Systems Software - Operating Systems
1.2.2 Applications generation - Applications and Utilities
1.2.2 Applications generation - Translation and Compilation
1.2.3 Software Development
1.2.4 Introduction to programming - Program Flow
1.2.4 Introduction to programming - Variables and Constants
1.2.4 Introduction to programming - Procedures and Functions
1.2.4 Introduction to programming - Operators
1.2.4 Introduction to programming - File Handling
1.2.4 Introduction to programming - Assembly Language
1.2.4 Introduction to programming - Object Oriented Programming
1.3.1 Compression, Encryption & Hashing
1.3.2 Databases - Relational Databases
1.3.2 Databases - Normalisation
1.3.2 Databases - SQL and Transactions
1.3.3 Networks - Network Types
1.3.3 Networks - The Internet, The World Wide Web and Virtual Networks
1.3.3 Networks - Internet Communications
1.3.3 Network Threats and Security
1.3.4 Web Technologies - HTML
1.3.4 Web Technologies - CSS
1.3.4 Web Technologies - JavaScript
1.3.4 Web Technologies - Compression
1.3.4 Web Technologies - Search Engines and Page Rank
1.3.4 Web Technologies - Server and Client Side Processing
1.4.1 Data Types - Positive Binary and Hexadecimal Numbers
1.4.1 Data Types - Negative Binary Numbers & Subtraction
1.4.1 Data Types - Fixed Point Binary
1.4.1 Data Types - ASCII and Unicode
1.4.1 Data Types - Floating Point Binary Numbers
1.4.1 Data Types - Floating Point Arithmetic
1.4.1 Data Types - Bitwise Manipulation and Masks
1.4.2 Data Structures - Arrays, Records, Tuples and Lists
1.4.2 Data Structures - Stacks and Queues
1.4.2 Data Structures - Linked Lists
1.4.2 Data Structures - Trees and Binary Trees
1.4.2 Data Structures - Graphs
1.4.2 Data Structures - Hashing and Hash Tables
1.4.3 Boolean Algebra - Gates and Truth Tables
1.4.3 Boolean Algebra - Simplifying Boolean Algebra
1.4.3 Boolean Algebra - Karnaugh Maps
1.4.3 Boolean Algebra - Full and Half Adders
1.4.3 Boolean Algebra - D-Type Flip Flops
1.5.1 Computing Related Legislation
1.5.2 Moral and Ethical Issues
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OCR Unit 2 Lesson Presentations
2.1.1 Elements of computational thinking
2.2.1 Programming Techniques - Recursion
2.2.1 Programming Techniques - IDEs
2.2.2 Computational Methods
2.3.1 Algorithm Complexity
2.3.2 Linear and Binary Search Algorithms
2.3.3 Bubble and Insertion Sort Algorithms
2.3.4 Merge and Quick Sort Algorithms
2.3.5 Dijkstra's Shortest Path Algorithm
2.3.6 The A* Algorithm
Online Written Exam Questions (with guided marking)
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OCR Unit 1 Online Written Exam Questions
1.1.1 CPU Structure and Function
1.1.2 Processor Types
1.1.3 I/O & Storage
1.2.1 System Software
1.2.2 Application Generation
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OCR Unit 2 Online Written Exam Questions
Programming Project Guidance
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OCR Unit 3 Project Guidance
Past Exam Papers
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OCR Unit 1 Past Papers (current specification)
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OCR Unit 2 Past Papers (current specification)
Extra Practice Exam Papers
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OCR Unit 1 Extra Papers (Difficult ZigZag Topic Tests)
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OCR Unit 2 Extra Papers (Difficult ZigZag Topic Tests)
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OneNote Exam Questions File
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DL Practice Questions and Student Example Answers
Specification Documents
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Course Specification and Folder Dividers
Course Companions and Revision Booklets
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Course Companion
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Revision Booklets
Legacy Specification Exam Papers
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Old OCR Unit A Exam Papers
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Old OCR Unit B Exam Papers
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Old OCR Unit C Exam Papers
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