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What is single component Angular modules (SCAM)?

SCAMs (single component Angular modules) are Angular modules that are scoped to a single declarable. For directives and pipes, they declare and export a single declarable.

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What is AngularJS? What are the key features of AngularJS. What are the advantages of using AngularJS? What are the key components of AngularJS Framework? What are the limitations of using AngularJS? Explain about AngularJS Expression. Can we pass parameters to an AngularJS controller? What is bower? What is a component in Angular? What are .ts extension files? How do you communicate between different modules of your application using angularjs? How does interpolation, for example "{{ someModel }}" works? What is $rootScope and how does it relate to $scope? Advantages of components in AngularJS. What is ngBind directive in AngularJS? What is ngIf directive in Angular? Difference between ng-show/ng-hide directives and ngIf in angularjs. Explain directives in Angular. What is the role of selector property of components in AngularJS? Explain Angular architecture. Type of module in Angular 2. Explain root module in angular2. What is an Angular module? What does the npm start do? 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