Concept:Advancements in technology have made modern computers faster and much smaller than earlier models.Explanation:Earlier computers relied on bulky vacuum tubes and large circuits, so they were slow and occupied entire rooms.Modern computers use advanced microprocessors and compact components, which greatly increase processing speed.Improved manufacturing has also reduced physical size, making devices portable and space-efficient.Therefore, modern computers are both faster and smaller when compared to earlier computers.Answer:B. faster and smaller.