Aqa Gcse 9-1 Computer Science Revision Guide -

: Using Lossy and Lossless methods to reduce file size. 5. Computer Systems

: The Von Neumann architecture, including the CPU (ALU, CU, Registers) and the Fetch-Decode-Execute cycle.

: Converting between Denary, Binary, and Hex. AQA GCSE 9-1 Computer Science Revision Guide

: Understanding variables, constants, assignment, and data types (Integer, Real, Boolean, Character, String).

This paper tests your knowledge of how computers work, data representation, and the impact of technology. 4. Data Representation : Using Lossy and Lossless methods to reduce file size

: Removing unnecessary detail to focus on the essential characteristics.

: Adding binary numbers and understanding overflow. including the CPU (ALU

(e.g., how to answer 6-9 mark ethics questions) Which topic should we focus on first?