real-time operating system

(redirected from RT OS)

Real-Time Operating System

(operating system)
(RTOS) Any operating system where interrupts are guaranteed to be handled within a certain specified maximum time, thereby making it suitable for control of hardware in embedded systems and other time-critical applications. RTOS is not a specific product but a class of operating systems.

This article is provided by FOLDOC - Free Online Dictionary of Computing (

real-time operating system

A master control program that provides immediate responses to input signals and transactions. See real-time system, embedded system, embedded Linux, process control and OS-9.
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References in periodicals archive ?
Nokia Lumia 2520: Runs on Windows RT OS and powered by Snapdragon 800 quad-core 2.2GHz processor.
However, the reviews of the two products do not indicate much of a liking by users as the RT version is cheaper and thinner running Windows RT OS which doesn't support traditional Windows programs and the Pro version runs all Windows programs and a full version of Windows 8, but it is thicker, gets only five hours of battery life and costs double the amount.
The 32-bit Windows RT OS has a limited memory ceiling, and a 64-bit Windows RT OS would expand the memory capacity in tablets and PCs.
And only Microsoft is still using the Windows RT OS, while other original equipment manufacturer had discarded it from the lineups.
The Windows RT OS will not run existing Windows applications, so products with the OS may attract a new generation of laptop and tablet users, Hortensius said.
On the other hand, the Lumia 1520 tablet is said to come with a 10.1-inch IPS full HD screen and run on the Windows RT OS out-of-the-box.
Nokia tablet-Sirius reportedly sports a 10.1-inch IPS screen with full HD 1920x1080p resolutions and run on Windows RT OS powered by Qualcomm Snapdragon 800 series quad-core processor.