How did the microchip change computers during the 1990s?

the microchip made computers smaller; they could be used in more places

Explanation:

3.a

4.d

5.b

6.b

7.c

8.a

9.d

10.a

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.