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As a student, I combine the worlds of learning and blogging. With a thirst for knowledge and a will for writing, I share my notes through engaging blogs. These are the long boring lectures of my life I have survived through that I have summarized to you with a pinch of salt.
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Computer system failures are a common issue, with computers crashing or malfunctioning unexpectedly. This often leads to mistrust in personal computers. The dependability of a computer system refers to its trustworthiness, indicating the user's confi...
With the increasing integration of computer systems into various aspects of our lives, the repercussions of system and software failures are growing. Failures, such as server software malfunction in e-commerce or errors in embedded control systems in...
User or customer testing is a crucial stage in the testing process where users or customers provide input and feedback on the system being tested. It can involve formal testing of a system commissioned from an external supplier or an informal process...
Release testing is the process of testing a particular release of a system that is intended for use outside of the development team. Normally, the system release is for customers and users. In a complex project, however, the release could be for othe...
Test-driven development (TDD) is a programming methodology where testing and code development are interleaved. It involves incrementally developing code alongside corresponding tests, ensuring that each increment of code passes its respective test be...
Here we are gonna study three case studies.
An embedded system
An information system
A sensor-based data collection system
Now let us understand each of these case studies in detail.
An embedded system
This is a system where software controls and hardware devices are embedded in the device. Issues in embedded systems typically include physical size, responsiveness, power management etc. An example of an embedded system that is used is insulin pump software.
An information system
This is a system whose primary purpose is to manage and provide access to a database of information. Issues in information systems include security, usability, privacy and maintaining data integrity. An example of this information system is the hospital patient management system.
A sensor-based data collection system
This is a system whose primary purpose is to collect data from a set of sensors and process the data in some way. The key requirements of such a system are reliability, even in hostile environments, conditions and maintainability. An example of this sensor-based data collection system is the wilderness weather station.
