The ________ is responsible for maintaining coherency among L1 data caches.
A)VFP unit
B)distributed interrupt controller
C)snoop control unit (SCU)
D)watchdog

Question

Quizplus · Accepted Answer

The snoop control unit (SCU) is responsible for maintaining coherency among L1 data caches in multi-core ARM processors. The SCU manages the communication among different cores and ensures data consistency across all cores in the system. Option A, the VFP unit, is responsible for performing floating-point operations. Option B, the distributed interrupt controller, manages the interrupts in the system. Option D, the watchdog, is a timer that resets the system if it detects a failure or malfunction.

The ________ Is Responsible for Maintaining Coherency Among L1 Data