Thomas edisons inventions thomas edison a renowned inventor - GED Practice Questions
Question
Thomas Edison's Inventions
Thomas Edison, a renowned inventor, amassed over one thousand patents throughout his career, significantly influencing contemporary lifestyles. One of his groundbreaking inventions emerged in 1877 when he unveiled the phonograph, revolutionizing sound recording. Additionally, he pioneered the first motion-picture camera in 1893. Preceding these innovations, Edison secured his inaugural patent for a vote recorder in 1869, designed to expedite the recording of legislative votes. However, his most iconic creation remains the electric light bulb, patented in 1879. While collaborative efforts contributed to its development, Edison's contributions cemented the light bulb as a durable and practical household staple.
Which invention marked Edison's initial technological breakthrough?
Answers
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Explanation
The correct answer is A. This choice reflects the technology mentioned in the passage that was the first one invented by Thomas Edison. It states that Edison received his first patent for a vote recorder in 1869, which was intended to help record legislative votes quickly. This information aligns with the passage's description of Edison's earliest invention, which outlines the chronology of Thomas Edison's inventions, mentioning that his first patent was for a vote recorder. This indicates that his work on the vote recorder predates his other inventions, such as the phonograph, motion-picture camera, and electric light bulb. Therefore, option a accurately identifies the technology that Edison initially developed.
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