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Circuit breaker design pattern. Circuit breaker is a design pattern used in software development. It is used to detect failures and encapsulates the logic of preventing a failure from constantly recurring, during maintenance, temporary external system failure or unexpected system difficulties. Circuit breaker pattern prevents cascading failures ...
There exist different mechanisms for software fault tolerance, among which: Recovery blocks; N-version software; Self-checking software; Operating system failure. Computer applications make a call using the application programming interface (API) to access shared resources, like the keyboard, mouse, screen, disk drive, network, and printer ...
iOS jailbreaking. iOS jailbreaking is the use of a privilege escalation exploit to remove software restrictions imposed by Apple on devices running iOS and iOS-based [a] operating systems. It is typically done through a series of kernel patches. A jailbroken device typically permits root access within the operating system and provides the right ...
An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...
Colossus was a set of computers developed by British codebreakers in the years 1943–1945 [1] to help in the cryptanalysis of the Lorenz cipher. Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus is thus regarded [2] as the world's first programmable, electronic, digital computer, although it ...
BSD: Berkely Software Distribution (BSD) is an operating system that began as a variant of Unix in 1978 that mixed Unix code with code from Berkely labs to increase functionality. As BSD was focused on increasing functionality, it would publicly share its greatest innovations with the main Unix operating system.
Earlier this week, iOS source code showed up on GitHub, raising concerns that hackers could find a way to comb the material for vulnerabilities. Apple has yet to confirm or deny the legitimacy of ...
Software rot ( bit rot, code rot, software erosion, software decay, or software entropy) is the deterioration of software quality or performance over time that leads to it becoming faulty, unusable, or needing upgrade . Since software cannot physically decay, the term is hyperbole. The process is due to either changes in the source code or to ...