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Why modern Operating system are event driven?

Updated: 8/21/2019
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Q: Why modern Operating system are event driven?
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Is operating system an event driven program?

yes


How do you detect mouse click globally in C plus plus?

Since most modern operating systems are event-driven you'd need to hook into the system message queue in order to intercept mouse-clicks globally.


What makes windows os event driven?

Event driven application is a event happening in the operating system, when you click a button it makes an event, also a timer is a event, timers can be used in screen savers, after a certain amount of minutes, the timer will run out and the event for the screen saver to appear will happen :) Hope i helped


How is event driven programming different from other programming?

write a note on event driven programming


What event marked the birth of the modern international system?

Peace of Westphalia


What do you mean by event driven programming language. explain with an example?

A program which is not written in an event-driven language runs line-by-line (typically starting from the `main' function/method), executing each command in sequence. It might interact with the user by asking for input, have `if' statements to adjust its computations, and display output in response.Such programs often use libraries which supply boilerplate logic for this purpose, which is typically based on services provided by the operating system. An event-driven programming languagecomes with such a library. The idea is that sections of code are executed based on what the user does. Nothing will happen without an event causing it to do that action first. For example, you can listen for a mouse click and react to it with click-handling code, or likewise for key presses.However, it is important to note that an event can be made from pretty much anything, and is by no means limited to local user input (such as a mouse click). Other events can be related to network activity, completion of time-consuming tasks started earlier, expiry of a duration of time, or even an arbitrary event condition.The key difference between a "linear" programming approach, where the program spins in a loop continuously testing the various event conditions (and reacting when necessary) and an event-driven programming approach is that the latter uses services provided by the operating system. This allows not only for highly efficient event testing, but also allows the operating system to take care of other tasks while one program is waiting for a certain event to occur.


What operating system are designed to respond to event within a predetermined time?

Microsoft


What does event driven scripting language mean?

event driven programming is based upon the events. its flow is based on the events.


Why vb is an event driven programming language?

because it is driven by events. as it is a language used in programming, then it only makes sense to say VB is an event driven programming language.


Disadvantages of event driven programming?

It uses a wimp hcimaking it user friendly.


What is difference between visual programing and event driven programing?

event driven programming is occur when the creat any event means when the user touch the mouse and visual programming does not any oop


What is theDoD decision-support system that is event-driven and involves the process of periodic review and approval of programs to progress into subsequent acquisition life-c?

Defense Acquisition Managemenst System