Who is credited with inventing the modern ballpoint pen in 1938? MCQ with Answer and Explanation
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Question #1
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The X-ray was discovered in 1895 by which Nobel laureate?
Correct Answer: Option B
Explanation:
Wilhelm Röntgen discovered X-rays in 1895 and received the first-ever Nobel Prize in Physics in 1901.
Wilhelm Röntgen discovered X-rays in 1895 and received the first-ever Nobel Prize in Physics in 1901.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the common digital computer operating memory layout known as the Virtual Memory system was pioneered where?
Correct Answer: Option A
Explanation:
The Atlas computing development team implemented structural hardware address translation systems in 1959 to pool core and drum memories.
The Atlas computing development team implemented structural hardware address translation systems in 1959 to pool core and drum memories.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?
Correct Answer: Option B
Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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