Phase-change memory, also known as PCM, is a promising technology that can revolutionize the way computers store and access data. However, there are other terms that can be used to refer to this technology depending on the context. For example, PCM is sometimes called Phase-Change Random Access Memory (PRAM) or Phase-Change RAM (PCRAM). In addition, some experts may use the term Chalcogenide RAM (C-RAM) to refer to this technology. Finally, PCM is sometimes referred to as a form of non-volatile memory, alongside technologies like flash memory. Despite the variety of terms used, they all refer to the same basic technology: a memory technology that uses the properties of phase change materials to store and recall data.