Meaning : (computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors.
Example :
Access to a RAM disk is very fast but the data it contains is lost when the system is turned off.
Ram disk ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Ram disk ka matlab kya hota hai?