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2. Real-time operating system - Wikipedia

   en.wikipedia.org/wiki/Real-time_operating_system

   A real-time operating system (RTOS) is an operating system (OS) for real-time computing applications that processes data and events that have critically defined time constraints. An RTOS is distinct from a time-sharing operating system, such as Unix , which manages the sharing of system resources with a scheduler, data buffers, or fixed task ...

3. Online transaction processing - Wikipedia

   en.wikipedia.org/wiki/Online_transaction_processing

   Online transaction processing (OLTP) is a type of database system used in transaction-oriented applications, such as many operational systems. "Online" refers to the fact that such systems are expected to respond to user requests and process them in real-time (process transactions).

4. Comparison of real-time operating systems - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_real-time...

   This is a list of real-time operating systems (RTOSs). This is an operating system in which the time taken to process an input stimulus is less than the time lapsed until the next input stimulus of the same type.

5. Real-time computing - Wikipedia

   en.wikipedia.org/wiki/Real-time_computing

   Real-time processing fails if not completed within a specified deadline relative to an event; deadlines must always be met, regardless of system load. A real-time system has been described as one which "controls an environment by receiving data, processing them, and returning the results sufficiently quickly to affect the environment at that ...

6. Real-time database - Wikipedia

   en.wikipedia.org/wiki/Real-time_database

   The second meaning of the term “real-time database” adheres to a stricter definition of real-time consistent with Real-time computing. Hard real-time database systems work with a real-time operating system to ensure the temporal validity of data through the enforcement of database transaction deadlines and include a mechanism (such as ...

7. Real-time - Wikipedia

   en.wikipedia.org/wiki/Real-time

   Real-time operating system, for running real-time software; Real-time protection, protection enabled constantly, rather than by, say, a virus scan; Real-time text, transmitted as it is being typed or produced; Real time Java, for real-time programs in Java; Real-time disk encryption, encrypting data as it is written to disk