Passage: "The first computers filled entire rooms and were operated by teams of specialists. Today a smartphone has far greater processing power and fits in a pocket." The writer's purpose is to:
Answer and explanation
Correct answer: D. show how dramatically computers have developed
- Step 1: The contrast between room-sized machines and pocket devices illustrates technological progress.
Answer
show how dramatically computers have developed.
Why not the others: criticise modern smartphones, explain how teams of specialists operated early computers and advertise a new phone don't fit.
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