WJEC Eduqas A Level Computer Science (A500QS)

Every section of the specification, and the BugBot lesson that covers it. 16 of 16 sections have a lesson.

Start in the simulator
RefSpecification sectionLessons
1.1Data structuresA3.1 Arrays, records and tuples, A3.2 Abstract data types and stacks, A3.3 Queues: linear, circular and priority, A3.4 Linked lists, A3.5 Hash tables, A3.6 Dictionaries, A3.9 Project: mission control, A4.1 Graphs, A4.2 Adjacency matrix and adjacency list, A4.5 Trees, A4.6 Binary search trees, A4.7 Tree traversals, A4.8 Project: plan the route
1.2Logical operationsA8.1 Logic gates and notation, A8.2 Circuits, expressions and truth tables, A8.3 Boolean identities and laws, A8.4 De Morgan's laws, A8.5 Simplifying expressions, A8.6 Karnaugh maps, A8.9 Project: the robot's safety logic
1.3Algorithms and programsA2.2 Recursion, A2.3 Recursion versus iteration, A2.9 Computational methods, A2.10 Project: out of the dead end, A5.1 Comparing algorithms, A5.2 Big O notation, A5.3 Linear and binary search, A5.4 Bubble sort and insertion sort, A5.5 Merge sort, A5.6 Quick sort, A5.7 Dijkstra's shortest path algorithm, A5.9 Project: plan the route, then drive it
1.4Principles of programmingA1.1 Data types and programming constructs, A1.2 Operations, strings and random numbers, A1.4 Subroutines, parameters and passing by reference, A1.6 Programming paradigms and procedural programming, A1.7 Classes and objects, A1.8 Inheritance, polymorphism and overriding, A1.9 Aggregation, composition and class diagrams, A1.10 Project: the behaviour controller, A13.1 The functional paradigm, A13.3 First-class objects and higher-order functions, A13.4 Partial application and composition, A13.5 Map, filter and fold, A13.6 List processing, A13.7 Functional programming and big data, A13.8 Project: the way out
1.5Systems analysisA14.1 The systems lifecycle and feasibility, A14.2 Development methodologies, A14.3 Analysis: requirements and success criteria, A14.9 Project: the delivery robot
1.6System designA14.4 System design, A14.9 Project: the delivery robot
1.7Software engineeringA14.5 Testing strategies, A14.6 Software engineering tools and version control, A14.9 Project: the delivery robot
1.8Program constructionA1.5 Scope, lifetime and debugging in an IDE, A1.10 Project: the behaviour controller, A6.5 Backus-Naur Form and syntax diagrams, A10.7 Programming languages and translators, A10.8 Stages of compilation, linkers and loaders, A15.1 How your A level is assessed, A15.2 Command words and levels of response, A15.3 Trace tables and hand-tracing, A15.4 Pseudocode in the exam languages, A15.5 Writing algorithms and code in the exam, A15.6 Pre-release material and skeleton programs, A15.7 Calculation and theory questions, A15.8 A revision plan and mixed practice
2.1Hardware and communicationA9.1 Hardware, software and the stored program, A9.2 The processor and its registers, A9.3 The fetch-decode-execute cycle in detail, A9.4 Instruction sets and addressing modes, A9.8 Performance, pipelining and parallel processors, A9.9 Input, output and storage, A9.10 Project: a processor of your own, A12.2 Topologies and wireless networks
2.2Data transmissionA12.1 Communication methods, A12.3 How the Internet works, A12.4 The TCP/IP stack and protocols, A12.10 Project: a reliable link
2.3Data representation and data typesA7.1 Number sets, bases and units, A7.2 Binary arithmetic and signed integers, A7.3 Fixed point and floating point, A7.4 Errors, range and precision, A7.5 Bitwise operations and characters, A7.7 Analogue, digital and graphics, A7.8 Sound and MIDI, A7.10 Project: a secure sensor packet
2.4Organisation and structure of dataA3.8 Fields, records and file organisation, A11.2 Relational databases and keys, A11.8 Capturing, managing and exchanging data
2.5Databases and distributed systemsA11.1 Data models and entity relationships, A11.2 Relational databases and keys, A11.3 Normalisation to third normal form, A11.4 SQL: defining tables and joining them, A11.5 SQL: changing data and referential integrity, A11.6 Transactions and ACID, A11.7 Client server databases and concurrent access, A11.9 Big data, A11.10 Project: the run database, A12.8 Client server, REST and thin clients
2.6The operating systemA10.2 The operating system, BIOS and device drivers, A10.3 Memory management: paging, segmentation and virtual memory, A10.4 Interrupts, A10.5 Scheduling algorithms, A10.9 Project: a tiny robot operating system
2.7The need for different types of software systems and their attributesA10.1 Classifying software, A10.6 Types of operating system and virtual machines
2.8Data security and integrity processesA7.6 Error checking and correction, A7.10 Project: a secure sensor packet