Telecommunications history: For what invention does the world owe Almon Strowger special thanks? Focus on his key contribution to automating telephone exchanges. Choose the correct description.
General Knowledge
Inventions
Difficulty: Easy
Choose an option
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AThe automatic telephone exchange (Strowger step-by-step switch) enabling dial telephony
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BThe electric light bulb for household use
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CThe electromagnetic telegraph
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DThe first practical radio receiver
Answer
Correct Answer: The automatic telephone exchange (Strowger step-by-step switch) enabling dial telephony
Explanation
Given data
- We need Almon Strowger's core invention.
Concept / ApproachStrowger invented the automatic telephone exchange (the Strowger switch), replacing human operators and enabling direct dial telephony.
Final AnswerThe automatic telephone exchange (Strowger switch).