Practice Technology & Inventions MCQ Questions 26–43 out of 43. Free quiz with answers and explanations for UPSC, SSC, Railway exam preparation. Uncover the history of engineering breakthroughs with our structured Inventions and Technology GK quiz. Track foundational discoveries ranging from the steam engine to modern computing grids, internet inventors, medical equipment breakthroughs, and scientific pioneers responsible for global tech evolution.
Elias Howe patented a lockstitch mechanical sewing machine. He defended his design in courts and won royalties from Singer. [Memory Trick: 'Howe' (How) do we thread this tiny needle? Ask Elias Howe!]
While Fleming discovered it, Florey and Chain purified penicillin and scaled production, winning the 1945 Nobel Prize together. [Memory Trick: 'Florey' (flowery) and 'Chain' linked antibiotic safety to patients!]
Samuel Morse developed the electronic telegraph and Morse code, encoding text characters as standardization of dots and dashes. [Memory Trick: Tap-Tap-Tap! 'Morse' code sending Morse messages!]
Robert Metcalfe created Ethernet in 1973, taking inspiration from the 19th-century physics concept of 'luminiferous ether'. [Memory Trick: Cable in the 'Ether'net pulls connection out of thin air!]
Fahrenheit invented the alcohol thermometer (1709) and the mercury thermometer (1714), alongside the Fahrenheit scale. [Memory Trick: 'Fahrenheit' measures the 'Fire'-height of fever under your tongue!]
The Analytical Engine (1837) integrated punch cards inspired by Jacquard looms to store and process complex mathematical scripts. [Memory Trick: An 'Analytical' mind reads 'Punched' cards in detail!]
Benjamin Franklin discovered lightning was electricity in 1752, inventing the lightning rod to guard buildings. [Memory Trick: 'Franklin' caught lightning on a metal key!]
Karl Benz patented the three-wheeled Benz Patent-Motorwagen in Mannheim, Germany in 1886, credited as world's first automaker. [Memory Trick: The first Mercedes-'Benz' was a 3-wheeled motor-cart!]
George Stephenson designed the Locomotion No. 1 and then 'The Rocket', pioneering railways across England. [Memory Trick: Stephenson took a giant 'Step' forward in heavy cargo transport!]
John Logie Baird demonstrated the first working mechanical television system in London, using a spinning Nipkow disk. [Memory Trick: Baird had a 'Beard' when he appeared on black-and-white screens!]
American inventor Philo Farnsworth created the first fully electronic television using an 'Image Dissector' tube. [Memory Trick: Farnsworth found 'Fame' on the 'electronic' screen!]
Alessandro Volta stacked copper and zinc discs separated by saltwater-soaked cardboard, creating continuous electric current. [Memory Trick: 'Voltaic' Pile is the source of all 'Volt'ages!]
ARPANET (Advanced Research Projects Agency Network) was created by the US DoD in 1969, linking academic computers across the country. [Memory Trick: 'ARP'-anet sprang from the US 'Ar'my's research wing!]
Tim Berners-Lee wrote the first client browser on a NeXT computer in 1990, alongside HTTP and URL layouts. [Memory Trick: Tim Berners-Lee is the 'Web' landlord who built the first digital rooms!]
Barthélemy Thimonnier patented the wooden sewing machine in France. Outraged tailors burned his factory, fearing unemployment. [Memory Trick: Tailors threw a 'Tantrum' (Thimonnier) and burned it!]
JavaScript was written by Brendan Eich in 10 days under the codename 'Mocha', later renamed LiveScript and finally JavaScript. [Memory Trick: He whipped up 'JavaScript' in a 'hurry' (10 days) on a coffee sprint!]
Bluetooth is named after King Harald Bluetooth Gormsson, who united Scandinavian tribes, just like Bluetooth unites devices. [Memory Trick: The Viking King Harald had a 'Blue-colored' tooth!]
Edwin Hall discovered the production of a voltage difference across an electrical conductor when a magnetic field is applied. [Memory Trick: Walk through the 'Hall' (Hall Effect) to feel the 'magnetic' pull!]
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