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...system. It is useful to have a notation more abstract than program code to help us think about classes. A class diagram is one of the UML techniques previously mentioned, and we will be using it for this purpose. In a class diagram, each class is represented by a box called a class icon, divided into three areas, called compartments. The top compartment contains the class...

...systems, challenges how we view computers through the examples of processors in kitchen scales and digital cameras, as well as examining the work of art that, at heart, is a computer. You will also explore how computers are connected together to achieve even more than when working alone...This free course, An introduction to computers and computer systems, challenges how...

...systems from a user-centred perspective so important for professional dogs?...[Dog holding a phone in her mouth] Dogs are incredibly adaptable and can be trained to do almost anything, including using a range of interactive technology, for example the kind we have in our homes (washing machine, telephone, light switches, etc.). However, anyone would struggle and...