Which was one effect of reducing the size and cost of computers?
a. computer companies lost money.
b. software and operating systems became much more complicated.
c. they were easily operated by everyone.
d. many ordinary people could buy and use them.

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

Based on the information given and the gauges which process or processes have their alarm light on?

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.