GCSE Edexcel Computers - Edexcel Common types of secondary storage The CPU is the part of a computer system that runs programs and processes data. CPUs use the fetch-decode-execute cycle to do this.

Working with data Computers can work with lots of different types of data and information. Find out more about working with data with this guide for Years 5 and 6.

Any data that does not fall into the traditional field structure (alpha, numeric, dates) of a relational DBMS. Examples of complex data types are bills of materials, word processing documents ...