Cache and main memory will lose their contents when the power is off. They are _____________.
Cache and main memory will lose their contents when the power is off. They are Volatile
CPU cache. A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, closer to a processor core, which stores copies of the data from frequently used main memory locations.