Unit 1: information technology systems

This section introduces you to the concepts and implications of the use of the devices that formIT systems and the relationships between them. You are already familiar with a variety of IT systems and have probably come to rely on them in your everyday life. It must be hard to imagine that you are part of possibly the fi rst generation to grow up with IT systems from birth. Here are some of the digital devices, their functions and uses, some of which you may not have used before or maybe not even heard about. Digital devices,…