Reliability Definition “Reliability is the probability of a device performing adequately for the period of time intended under the operating conditions encountered.” In Chapter 2, we introduce existing works in literature related to our research.To facilitate our research, literature in three major fields are reviewed. An RBD of a simplified computer system with a redundant fan configuration is shown below. Example 2. In this guide, “data” always means computer-processed data. Name one example of a computer system in the airline, medical or banking industries and explain why it needs to be reliable. Incident and service metrics. Systems usually require multiple disciplines 2. My Dell PC failed during the first year and Dell immediately replace the part, no question asked. The reliability of a series system with three elements with R 1 = 0.9, R 2 = 0.8, and R 3 = 0.5 is R = 0.9 × 0.8 × 0.5 = 0.36, which is less than the reliability of the worst component (R 3 = 0.5). 17 Examples of Reliability posted by John Spacey, January 26, 2016 updated on February 06, 2017. For example, a simple processor such as a sequencer allows multiple compressors to communicate with one another and coordinate demand to improve each machine’s operating efficiency and extend equipment life. Durability I’ve owned a great number of computer brands, such as Acer, Asus, Dell, and Sony. (2) A variety of examples can be given including: Medical • Life support systems Accuracy and reliability critical for patient health. Examples of computer ethics include not using a computer to steal or to harm others, especially by avoiding the spread of computer viruses and shunning plagiarism of computer software. First, from the hardware aspect, to investigate the reliability pattern of storage devices in the Cloud, literature on hardware reliability theories are reviewed. Before discussing how reliability and availability are calculated, an understanding of incident service metrics used in these calculations is required. Sony did … Reliability is crucial and unreliable systems can cause disaster. Computer ethics also involve avoiding unauthorized access to computer systems and preserving the confidentiality and privacy of data in computers. A reliability block diagram is a graphical representation of the components of the system and how they are reliability-wise related (connected). If you’d like to learn more about improving the reliability of your equipment, email me at bfrance@stellar.net. Since Software Reliability is one of the most important aspects of software quality, Reliability Engineering approaches are practiced in software field as well. There are, however, four direct methods that can be used to estimate the reliability of the STAR Reading computer-adaptive test : the split-half method, the test-retest method, the alternate forms method and the estimation of generic reliability. Example: In the development of a computer game, a company has 3 employees – an artist, a musician, & a programmer. Apart from reliability, the after sales service is equally important too. For the purposes of this guidance, data reliability refers to the accuracy and completeness of computer-processed data, given the uses they are intended for. Computer-processed data may be data (1) entered into a computer system or (2) resulting from computer processing. The following are illustrative examples. It should be noted that this may differ from how the components are physically connected. Software Reliability Engineering (SRE) is the quantitative study of the operational behavior of software-based systems with respect to user requirements concerning reliability . For example, a 99.999% (Five-9’s) availability refers to 5 minutes and 15 seconds of downtime per year. Performance and Reliability Analysis of Computer Systems: An Example-Based Approach Using the SHARPE Software Package provides a variety of probabilistic, discrete-state models used to assess the reliability and performance of computer and communication systems. 1. Reliability is the ability of things to perform over time in a variety of expected conditions.
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