【单选题】【消耗次数：1】
1946年诞生的世界上第一台电子计算机是（ ）。
①
UNIVAC-I
②
EDVAC
③
ENIAC
④
IBM
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相关题目
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下列关于世界上第一台电子计算机ENIAC的叙述中，错误的是________。
①
它是1946年在美国诞生的
②
它主要采用电子管和继电器
③
它是首次采用存储程序控制使计算机自动工作
④
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The engineers in this lab spent several weeks _______ their plans for the new bicycle.
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counting
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【单选题】
Had he worked hard, he _____ the exams.
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must have got through
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