hange of fonts, colors, and design details should not cost much if anything. Cheap Tickets needs a more professional look because some consumers will be turned off by the simplistic look. Also, the download time for the site and its different pages is rather slow and could be made faster by possibly limiting the amount of information on each page. They do have a lot of advertisements on each of their pages, which may help them in terms of cost, but hurts them in terms of customer appeal. The site was obviously prepared with cost in mind which may be perhaps passed on to the consumers. ComparisonsC1. Usefulness DefinedThere are two main components that determine the usefulness of a system. They include the utility and usability of the system. The utility of the system is determined by whether or not the system is relevant, measured by whether it does anything that people care about and if it solves key issues or problems. If the system is irrelevant, regardless of whether or not it is easy to use, then the system will be useless. The second component that determines the usefulness of a system, its usability, asks the question of whether or not the system can be used by a user, and if so, can the user use it effectively. Usability also can be further described by its five main characteristics: ease of learning, efficiency in use, memorability, error frequency and severity, and subjective satisfaction. To understand these characteristics we need to understand how they are each measured. First, ease of learning is measured by how fast a first-time user can learn the user interface to accomplish basic tasks. Second, efficiency of use is measured by how fast a user can accomplish tasks, after he or she has become an experienced user of the system. The third characteristic, memorability, is measured by the ability of a previous user of the system to use the system again more effectively then the previous time, without having to re-l...
