Second Generation computers can be characterized largely by their use of:

Options

A. Integrated Circuits
B. Vacuum Tubes
C. Microprocessors
D. Transistors

Answer

D

Explanation

Generations of computers are characterized by their technology. First generation digital computers, developed mostly in the U.S. after World War II, used vacuum tubes and were enormous. The second generation, introduced in 1960, used transistors and were the first successful commercial computers.