The first questions answer is c
On February 24, 1969, the Supreme Court ruled in Tinker v. Des Moines Independent Community School District that students at school retain their First Amendment right to free speech. The story of this landmark case begins four years prior, during the early wave of protests against the Vietnam War.
Answer: They were replaced Because the transistor was so much smaller and consumed significantly less power, a computer system built with transistors was also much smaller, faster, and more efficient than a computer system built with vacuum tubes.
