ECDL 
Module 1 Workbook 10 1. Introduction
When computers were first developed, they were mainly intended for a person to work on their own machine. However, one day, a bright spark suddenly thought, "wouldn't it be a good idea to link two machines together so that can share files". And so, the first computer network was created.
Over the next few pages we will be looking at different types of networks that you need to understand for your e.c.d.l examination.
Use the links on the left-hand side to navigate through the pages.
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