Difficulty: Medium

Average Score: 65%

The great inventor Thomas Edison received more than one thousand patents during his career and made a large contribution to how we live today. For example, in 1877, after discovering a way to record sound, Edison introduced the phonograph. In 1893 he invented the first motion-picture camera. Eight years before inventing the phonograph, Edison received his first patent for a vote recorder, which was intended to help record legislative votes quickly. The Innovation he is most known for is the electric light bulb. He filed a patent for his light bulb in 1879. Though others contributed to the invention of the light bulb, Edison's work made this invention a long-lasting, practical household item.

Which technology mentioned in the passage was the first one invented by Edison?

Rationale

The first technology invented by Edison was the vote recorder.

Thomas Edison developed the vote recorder in 1868, marking it as his earliest invention. This device aimed to improve the voting process by allowing votes to be recorded electronically, showcasing Edison's innovative approach to enhancing efficiency in various fields.

A (vote recorder) CORRECT

This was the first invention created by Edison, designed to streamline the voting process. The vote recorder was developed before his other notable inventions, establishing his career as an inventor and highlighting his pioneering contributions to technology.

B (motion-picture camera) YOUR ANSWER

Although Edison made significant advancements in film technology, including the development of the motion-picture camera, this invention came later in his career. The motion-picture camera was developed in the 1890s, well after the invention of the vote recorder.

C (electric light bulb) YOUR ANSWER

Edison's work on the electric light bulb began in the late 1870s, culminating in a practical version in 1879. While this invention is one of his most famous achievements, it was not his first; it followed the vote recorder by over a decade.

D (phonograph) YOUR ANSWER

The phonograph, invented by Edison in 1877, was a revolutionary device for recording and playing back sound. However, like the electric light bulb, it was created after the vote recorder, making it an incorrect choice for this question.

Conclusion

Edison's first invention, the vote recorder, set the stage for his illustrious career in innovation. While he is widely recognized for the phonograph and electric light bulb, these inventions came after the vote recorder. Understanding the chronological order of Edison's inventions helps appreciate the evolution of his contributions to technology.

Which technology mentioned in the passage was the first one invented by Edison?

The first technology invented by Edison was the vote recorder.

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