In the HarmonyOS system architecture, which of the following can shield the differences between multiple cores and provide basic kernel capabilities for the upper layer?

In the HarmonyOS system architecture, which of the following can shield the differences between multiple cores and provide basic kernel capabilities for the upper layer?
A . Ability
B . KAL (Kernel Abstract Layer)
C . UI
D . HDF (Hardware Driver Foundation)

View Answer

Answer: B