Answer:
A: A ROM chip is non-volatile and will keep its data in the case of a power failure. A RAM chip is volatile and will wipe its data in the case of a power failure.
Step-by-step explanation:
ROM chips were widely used at the time of the old consoles, because with it you had an extremely fast and non-volatile memory, but this technology is very expensive and started to use CDs in the Consoles, while the RAM memory is a memory of execution random (RAM = RANDOM ACESS MEMORY).