Multiple choice general knowledge science & technology

What is the three tier architecture of preliminary design for Google Chrome OS open source project ?

  1. firmware, browser and window manager, and system-level software and userland services

  2. input software,processing unit,output software

  3. inflow unit,data assembling unit,outflow unit

  4. liveware manager, and system-efficient software and browsing services

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chrome OS uses a simplified three-tier architecture starting with firmware for system boot, then the browser and window manager as the main user interface layer, and finally system-level software and userland services that provide essential OS functions like process management and security.