Recommendation ITU-T J.1202 (01/2022) Smart television operating system – Architecture Summary History FOREWORD Table of Contents Introduction 1 Scope 2 References 3 Definitions 3.1 Terms defined elsewhere 3.2 Terms defined in this Recommendation 4 Abbreviations and acronyms 5 Conventions 6 Functional architecture of the software 7 Kernel layer 8 Hardware abstraction layer 9 Component layer 9.1 Component model 9.2 Component service manager 9.2.1 Functions 9.2.2 Component implementation and invocation mode 9.2.3 Functional architecture and modules 9.2.4 Interfaces 9.2.5 Role of component service manager 9.3 Application installation component 9.3.1 Functions 9.3.2 Component implementation and invocation mode 9.3.3 Functional architecture and modules 9.3.4 Interfaces 9.3.5 Collaboration with other software modules 9.4 Application management component 9.4.1 Functions 9.4.2 Component implementation and invocation mode 9.4.3 Functional architecture and modules 9.4.4 Interfaces 9.4.5 Collaboration with other software modules 9.5 Service components 9.5.1 Functions 9.5.2 Component implementation and invocation mode 10 Application execution environment 10.1 Functions 10.2 Architecture and implementation mechanism 11 Application framework 11.1 Architecture of the TVOS application framework 11.2 TVOS application programming interface units 11.2.1 Functions 11.2.2 Main functional interface units 11.2.3 Relationship of the interfaces and functional components 11.3 Interpretative execution environment functional interface units Bibliography <\pre>