Homework Research Paper Example | Topics and Well Written Essays - 1000 words

Homework - Research Paper Example The usability of a system also determines its effectiveness, satisfaction, and efficiency. The effectiveness of a system refers to the accuracy with which specific objectives can be achieved. The efficiency of a system refers to various resources and their accuracy for the system. The satisfaction of a system includes characteristics of users, tasks, and the overall organization. The context of use is also an important characteristic of the system. The context of the system determines the characteristics of the users, tasks, and physical environment (Sauro & Kindlund, 2005). The second important quality characteristic of ISO 9126 System is reliability. The reliability of a system determines the perceptions of users regarding the reliability. The reliability of a system is ensured through various measures (Sauro & Kindlund, 2005). Some of these measures include frequency of system failure, presence of bugs, faults, and other errors. When developing a system, it is important to ensure that it possesses fault tolerance. The specific level of performance is also developed for system’s reliability. The recoverability is the sub characteristic of reliability. This characteristic allows users to take corrective actions whenever an error occurs. The reliable system is one, which can quickly recover from a failure and resume working (Sauro & Kindlund, 2005). Reliability is viewed as an important quality attribute, which appears in all quality models. The users want a system that they can rely. The reliability can be defined as the capability of a system to maintain a specific performance level. The sub characteristics of reliability include maturity, fault tolerance, recoverability, and reliability conformance. Maturity of an ISO 9126 system can be comprehended as its capability to avoid failures. The fault tolerance of a system is the capability of a system to deliver specified performance (Phang, Kankanhalli &