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Release (REL) — Sent to clear the call when a subscriber goes on hook. This is also sent (in direct response to an IAM) if the terminating switch determines that the call cannot be completed. In either case, the terminating switch provides a cause value in the message to explain the reason for the release, e.g., "User busy".
In computer science and software engineering, busy-waiting, busy-looping or spinning is a technique in which a process repeatedly checks to see if a condition is true, such as whether keyboard input or a lock is available. Spinning can also be used to generate an arbitrary time delay, a technique that was necessary on systems that lacked a ...
Computer user satisfaction (CUS) is the systematic measurement and evaluation of how well a computer system or application fulfills the needs and expectations of individual users. The measurement of computer user satisfaction studies how interactions with technology can be improved by adapting it to psychological preferences and tendencies.
CS—Computer Science; CSE—Computer science and engineering; CSI—Common System Interface; CSM—Compatibility support module; CSMA/CD—Carrier-sense multiple access with collision detection; CSP—Cloud service provider; CSP—Communicating sequential processes; CSRF—Cross-site request forgery; CSS—Cascading style sheets; CSS—Content ...
Business Studies is taught at the higher secondary level (Class 11 and 12) for students who have taken the Commerce Stream subject. According to the Central Board of Secondary Education, Business Studies is a compulsory subject for Commerce Stream along with Economics and Accountancy students. At the state board, the subject code for Business ...
The scheduler is an operating system module that selects the next jobs to be admitted into the system and the next process to run. Operating systems may feature up to three distinct scheduler types: a long-term scheduler (also known as an admission scheduler or high-level scheduler), a mid-term or medium-term scheduler, and a short-term scheduler.
In human-computer interaction and computer science, usability studies the elegance and clarity with which the interaction with a computer program or a web site (web usability) is designed. Usability considers user satisfaction and utility as quality components, and aims to improve user experience through iterative design .
In computing, time-sharing is the concurrent sharing of a computing resource among many tasks or users by giving each task or user a small slice of processing time.This quick switch between tasks or users gives the illusion of simultaneous execution.