Is expression inside ng-show fired after every model change in AngularJS?

Is expression inside ng-show fired after every model change in AngularJS?

References

Reference NO 1

http://stackoverflow.com/questions/15189742/is-expression-inside-ng-show-fired-after-every-model-change-in-angularjs

Reference NO 2

http://stackoverflow.com/questions/17444843/angularjs-how-to-add-numbers-inside-the-expression-from-a-textbox

Reference NO 3

http://stackoverflow.com/questions/18220525/angularjs-ng-checked-not-changing-model-value

Reference NO 4

http://stackoverflow.com/questions/16533299/angularjs-how-to-show-and-hide-a-div-based-on-model-condition

Reference NO 5

http://docs.angularjs.org/api/ng.$rootScope.Scope

Reference NO 6

http://deansofer.com/posts/view/14/AngularJs-Tips-and-Tricks-UPDATED

Reference NO 7

http://thenittygritty.co/angularjs-pitfalls-using-scopes

Reference NO 8

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