Clary is getting ready to gather data from multiple devices and systems that are under investigation by forensic experts. Which of the following devices is the MOST stable in terms of volatility, as per the order of volatility?

Among the different types of storage, backups are deemed to be the most stable because they are updated at a much slower rate and may be retained for extended periods without alteration. In this list, CPU cache is expected to change most frequently, followed by RAM and local disk contents, respectively.