OCR • Computer Science

Key knowledge on databases, exchanging data, protocols, and everything else within topic 1.3.

Key knowledge on development methodologies, types of software, types of programming languages, and everything under topic 1.2

Key knowledge on processors, secondary storage, input and output devices.

Provides an in-depth understanding to the 1.1: Characteristics of contemporary processors, input, output and storage devices. Collated from a variety of textbooks and past paper question mark schemes to give you all the knowledge required to tackle any style of question related to the topic.

In depth but concise notes for topic 1.1.1 Structure and Function of the Processor. Sourced from numerous different textbooks and websites and condensed into a clear and easy to understand document for a guaranteed A - A*. Document includes: 1. Components of the CPU 2. Registers - special purpose registers and general purpose registers 3. Buses 4. Fetch - decode - execute cycle 5. CPU performance 6. Computer Architecture - Von Neumann, Harvard, Contemporary

Presentation Unit 6

from 2016 ocr practice papers to use for mock exam revision for a levels.

practice papers

Designed specifically for A-Level computer science students, this cheat sheet provides an essential overview of key concepts and techniques in HTML and CSS, including: Common HTML tags and attributes CSS selectors and properties Box model and layout Responsive design principles With clear and concise explanations, helpful examples, and easy-to-follow formatting, this cheat sheet is the perfect study aid for your upcoming exam or coursework.

Theory of Computation