1. Why does NASA use smartphones as chief satellites? [1] 2. What developing country has a rapidly increasing smartphone market in the world? [1]
3. What other things have smartphones helped to sale dramatically? [1]
4. How many Eniac computers are needed to have the power of one smartphone chip? [1]
5. How much space are needed to store Eniac computer components to have the power of one smartphone chip? [1]
6. How can we use our smartphones according to the last fact?