Computer Science study guides

A deep-dive SQA Higher Computing Science guide to the Computer Systems area. Covers number representation (two's complement and floating-point), character and instruction representation (ASCII and Unicode), computer structure (processor, buses, memory, interpreters and compilers) and the environmental impact of computing.

A deep-dive SQA Higher Computing Science guide to the Database Design and Development area. Covers analysis and design (ER diagrams, entities, relationships, cardinality and keys), the data dictionary, entity and referential integrity, validation, and SQL querying and data manipulation.

A deep-dive SQA Higher Computing Science guide to the Software Design and Development area. Covers development methodologies, analysis, design notations, data types and structures, computational constructs, the standard algorithms, and testing and evaluation, with the patterns the exam repeats.

A deep-dive SQA Higher Computing Science guide to the Web Design and Development area. Covers web analysis and design (site structure diagrams, wireframes and prototypes), HTML structure and forms, CSS selectors and styling including a navigation bar, JavaScript events and the DOM, and testing and evaluation.