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In addition to or instead of defect, some use: error, flaw or fault. Engineered systems is a broad classification encompassing but not limited to: software, computer hardware, electronics, circuitry and machinery. The undesirable result can be classified and described many ways including: intermittent, transient, glitch, crash or hang.
Common exceptions include an invalid argument (e.g. value is outside of the domain of a function), [5] an unavailable resource (like a missing file, [6] a network drive error, [7] or out-of-memory errors [8]), or that the routine has detected a normal condition that requires special handling, e.g., attention, end of file. [9]
Not all defects cause a failure. For example, a defect in dead code will not be considered a failure. A defect that does not cause failure at one point in time may later occur due to environmental changes. Examples of environment change include running on new computer hardware, changes in data, and interacting with different software. [12] A ...
The choice of construction method is a key aspect of the construction planning activity. The choice of construction method affects the extent to which construction prerequisites (e.g. Requirements analysis , Software design , .. etc.) are performed, the order in which they are performed, and the degree to which they are expected to be completed ...
The software development process is a typical application of Fagan inspection. As the costs to remedy a defect are up to 10 to 100 times less in the early operations compared to fixing a defect in the maintenance phase, [1] it is essential to find defects as close to the point of insertion as possible.
Software assurance initiatives are programs and activities designed to ensure the quality, reliability, and security of software systems. These initiatives are important because software is used in a wide range of applications, from business operations to critical infrastructure, and defects or vulnerabilities in software can have serious consequences.
Reducing the cost of software maintenance is the most often cited reason for following coding conventions. In the introductory section on code conventions for the Java programming language, Sun Microsystems offers the following reasoning: [2]
A compiled language allows for detecting some typos (such as a misspelled identifier) before runtime which is earlier in the software development process than for an interpreted language. Languages may include features such as a static type system, restricted namespaces and modular programming. For example, for a typed, compiled language (like C):