Complex sentence: While performing various operations, CPUs need to calculate memory addresses required for fetching data from the memory; for example, in-memory positions of array elements must be calculated before the CPU can fetch the data from actual memory locations.
Split into simpler sentences: While performing various operations, CPUs need to calculate memory addresses required for fetching data from the memory. For example, in-memory positions of array elements must be calculated before the CPU can fetch the data from actual memory locations.