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Which of the following statements is true?
1. Computers have only been around since the 1940's
II. One reason computers were first developed was to do mathematical computations faster
III. Some modern computers include laptops, cell phones, and tablets
IV. Computers are able to perform tasks by using logic
I, III
II, III, IV
III, IV
I, II, III, IV

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Which of the following statements is true?
1. Computers have only been around since the 1940's...
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