Final answer:
The time it takes a processor to interact with RAM is measured in nanoseconds, a unit that signifies 1 billionth of a second, indicating a very rapid process that is essential for CPU performance.
Step-by-step explanation:
The length of time it takes for a processor to request, locate, open, and deliver information stored in RAM is measured in nanoseconds. This measurement reflects the speed at which a processor performs its memory operations. Since memory in computers is an information processing system, we can make comparisons between this and human memory in terms of how information is encoded, stored, and retrieved.
The options provided to measure this length of time include nanoseconds (ns), megabytes (MB), hertz (Hz), and gigaflops (GFLOPS). Among these, nanoseconds are the correct unit of measure as it pertains to time. In contrast, megabytes refer to data size, hertz to frequency, and gigaflops to computation performance.
For context, 1 nanosecond (ns) is 1 billionth of a second, indicating how quickly modern processors can access RAM. This speed is essential for the overall performance of a computer's central processing unit (CPU).