How does the computer's peculiar binary world of digital entities differ from our analogue world of colour, sound, taste and touch? This unit explores the way in which information, in the form of text, still and moving images, and sound can cross the boundary from the analogue universe into a digital world. View course on original website...

What is ‘e-commerce’? This unit will look at typical application areas including the internet, supply chain management and online auctions. It will also help you to understand the underlying technologies used to implement e-commerce applications before looking at some of the problems that can be encountered when developing distributed e-commerce sys... View course on original website...

Headline news scares about stolen or missing data are becoming a frequent occurrence as organisations rely more and more heavily on computers to store sensitive corporate and customer information. This unit discusses the importance of protecting information and gives an overview of information security management systems. View course on original website...

The internet provides a world of information, but how do you find what you are looking for? This unit will help you discover the meaning of information quality and teach you how to evaluate the material you come across. You will learn how to plan your searches effectively and be able to experiment with some of the key resources in this area. View course on original website...

Ever wondered how a computer processes data into information? This unit will help you to understand the distinction between the two and examines how a computer-based society impacts on daily life. You will learn what computers can do with data to produce information and how computers can be used to work with data and search for it, control machines, and support commercial operat... View course on original website...

How do you model a software system? This unit will help you to work through the processes necessary to produce a conceptual model, by analysing the requirements document to identify classes and associations appropriate for modelling the system domain, together with their respective attributes and multiplicities. View course on original website...

This unit will help you to understand the forms of data that are handled by software and look at the various processes that can be applied to the data. These ideas are demonstrated through the use of a supermarket till and illustrate how simple data sets can be manipulated. View course on original website...

No idea how relational database systems are constructed? Did you know that they underpin the majority of the managed data storage in computer systems? This unit has been designed to give you an overview of the developmental lifecycle for a database system, explaining the importance of data analysis and highlighting how database development differs from traditional software develop... View course on original website...

Technology is opening doors for those with disabilities. Being blind or deaf is now far less of a barrier than it was fifty years ago. This unit assesses various disabilities and describes how they might affect a person’s use of interactive devices. You will then look at some of the most common assistive technologies and discuss the requirements that... View course on original website...

Why is the way something looks important? Text, colour, images, moving images and sound all interact to produce a user friendly environment within a user interface. This unit will help you understand the effect each software component has on the user and explain how a consistent and thoughtful application of these components can have a significant impact on the ‘look’ of final pro... View course on original website...