What is the difference between Software Architecture, ComputerArchitecture, and Information Architecture?

Hi Anchal, Computer architecture pertains primarily to the CPU of a computer - e.g., what instruction set does the computer use? How many and what types of registers do we have? What other components do we need (floating point arithmetic units, instruction pipeline etc.) How does the CPU cache work? Software architecture pertains to the design of software systems - e.g., how many/what tiers does this system have (UI, business logic, data access etc.)? How should we split the system into interoperable modules? Information architecture pertains to the the high level concepts of the system as observed by a user - e.g., in a typical e-commerce store, what are the key concepts (users, products, hierarchy of product categories, reviews etc.)? How do these key concepts relate to one another? E.g., a product, say a book, has many instances (1000 copies in the inventory), and a user can buy one or more instances of a product. A user can write a review for one or more products etc. Hope this information helps. Please feel free to revert. Click on the thumbs up or mark it as the best, if you found this useful. Wish You Luck!

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