Computer architecture is comprised of at least three main subcategorizes: Microarchitecture, Instruction Set Architecture (ISA) and the System Design.
Broadcast Architecture - (1) The underlying set of technologies, components, and standards that make it possible for viewers to receive broadcast feeds, as well as display interactive content. (2) It's a fundamental component of Windows 98 and the foundation for WebTV for Windows.
Interactive Services Architecture - (ISA)
Scalable System Architecture