The term "verified ISO" is crucial for anyone looking to preserve or emulate games. In the context of PSP (and other disc-based systems), an ISO file is a digital copy of the data from an original game disc. A "verified" ISO is one that has been checked against a known-good copy to ensure it is a bit-for-bit perfect, 1:1 dump of the original media without any modifications, corruption, or missing data.
Any file labeled as a "Mortal Kombat: Shaolin Monks PSP ISO" is likely one of the following: mortal kombat shaolin monks psp iso verified