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Question

A System in which a transaction access and updates a file quickly enough to affect the original decision making is called ______________.

A
Real time system
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B
time sharing system
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C
both of above
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D
None of above
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Solution

The correct option is A Real time system

A System in which a transaction access and updates a file quickly enough to affect the original decision making is called Real time system.

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time applications that process data as it comes in, typically without buffer delays. Processing time requirements (including any OS delay) are measured in tenths of seconds or shorter increments of time.

real-time systems include Air Traffic Control Systems, Networked Multimedia Systems, Command Control Systems etc. Predictability is often achieved by either static or dynamic scheduling of real-time tasks to meet their deadlines.

A real-time operating system must have well-defined, fixed time constraints, otherwise the system will fail. For example, Scientific experiments, medical imaging systems, industrial control systems, weapon systems, robots, air traffic control systems, etc. There are two types of real-time operating systems.


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