Final answer:
The acronym most commonly used to refer to computer memory is RAM, which stands for Random Access Memory, a volatile memory allowing random access to stored information. The unit for one million bytes of computer memory is known as a megabyte (MB).
Step-by-step explanation:
The acronym that is frequently used to refer to the memory unit of a computer is RAM, which stands for Random Access Memory. RAM is a type of computer memory that can be accessed randomly; any byte of memory can be accessed without touching the preceding bytes. This is in contrast to sequential memory devices like magnetic tape. RAM is volatile memory, meaning that it requires power to maintain the stored information. When a computer is turned off, anything stored in RAM is lost.
Similarly, when discussing computer memory sizes, multiplicative prefixes are applied to the byte to express large quantities. The unit for one million bytes is typically referred to as a megabyte (MB).