Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Social Studies Practice Test
Practice Question
Extract
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?
Answer Choices
- A: vote recorder
- B: motion-picture camera
- C: electric light bulb
- D: phonograph
Correct Answer: A
Rationale: Vote recorder patented 1869; light bulb 1879; phonograph 1877; movie camera 1893