Which type of memory can be erased and reprogrammed?

The type of memory that can be erased and reprogrammed is RAM (Random Access Memory). RAM is a volatile memory that temporarily holds data and instructions that the CPU needs while a computer is in operation. When the power is turned off, the data stored in RAM is lost, but it allows for quick read and write cycles, enabling versatility in loading and executing programs. This characteristic of being easily erased and rewritten makes RAM suitable for active processing tasks in a computing environment.

ROM (Read-Only Memory), on the other hand, is typically non-volatile and cannot be erased or rewritten easily, as it is designed to store firmware or software that is not intended to be changed frequently. PROM (Programmable Read-Only Memory) can be programmed once, but after that, the data cannot be modified, which distinguishes it from RAM's capabilities. Computer Cache is a smaller, faster type of volatile memory that stores frequently accessed data for quick retrieval, but it also does not offer the same erasing and reprogramming functionality as RAM.

Thus, RAM stands out as the memory type that provides the flexibility of being erased and reprogrammed, making it crucial for the dynamic requirements of computing processes.