The invention of the common computing peripheral device known as the dot-matrix print layout was introduced by which company? MCQ with Answer and Explanation

Question
The invention of the common computing peripheral device known as the dot-matrix print layout was introduced by which company?
A. Centronics
B. Canon
C. IBM
D. Apple
Answer: Option A
Solution (By JKSSB Mock Tests)
Centronics introduced the impact needle dot matrix printer model in 1970, standardizing early computer ribbon output designs.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered the enzyme Lysozyme and later discovered penicillin?
A. Louis Pasteur
B. Edward Jenner
C. Alexander Fleming
D. Howard Florey
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Correct Answer: Option C

Explanation:
Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that the planet Jupiter possesses a massive permanent high-pressure cyclonic storm, the Great Red Spot?
A. William Herschel
B. Giovanni Domenico Cassini and Robert Hooke
C. Galileo Galilei
D. Christiaan Huygens
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Correct Answer: Option B

Explanation:
Hooke and Cassini recorded spot features on Jupiter in the 1660s using early optical compound scopes.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the modern steam turbine, which enabled large-scale thermal electric power generation, was made by whom?
A. Charles Parsons
B. George Stephenson
C. James Watt
D. Thomas Newcomen
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Correct Answer: Option A

Explanation:
Sir Charles Parsons invented the multi-stage steam turbine in 1884, transforming maritime shipping and electric grids.
This question belongs to: Static General Knowledge Inventions and Discoveries
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