Q49. The ENIAC, one of the earliest computers, contained 17,468 vacuum tubes, covered 1,800 square feet of floor space, weighed 30 tons, consumed 160 kilowatts of electrical power, and, when turned on, had caused the city of Philadelphia to experience brownouts.English — Combination Mistake — Question 49 of 230A. had causedB. was causingC. did causeD. causedE. had been causingPractice more English MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →