A) Amazon
B) Sony
C) Barnes & Noble
D) Kobo
Correct Answer: A) Amazon
Explanation: Amazon introduced the Kindle, the first successful and practical e-reader, in 2007, revolutionizing the way people read books and access digital content.
A) Lutron
B) Control4
C) X10
D) Crestron
Correct Answer: C) X10
Explanation: X10 developed the first practical and widely used home automation system, allowing users to control lighting and appliances remotely via power line communication.
A) DeepMind
B) IBM
C) Microsoft
D) Google
Correct Answer: B) IBM
Explanation: IBM developed Deep Blue, the first practical and widely used artificial intelligence software for chess, which famously defeated world champion Garry Kasparov in 1997.
A) Visa
B) MasterCard
C) American Express
D) IBM
Correct Answer: A) Visa
Explanation: Visa developed one of the first practical and widely used credit card processing systems, making electronic transactions more efficient and secure.
A) IEEE
B) Wi-Fi Alliance
C) Cisco Systems
D) NCR Corporation
Correct Answer: C) Cisco Systems
Explanation: Cisco Systems played a key role in the development and commercialization of Wi-Fi technology, providing high-speed wireless communication for both personal and professional use.
A) PayPal
B) Square
C) Stripe
D) Venmo
Correct Answer: A) PayPal
Explanation: PayPal developed one of the first successful and widely used digital payment platforms, enabling secure online transactions and e-commerce.
A) Richard of Wallingford
B) John Harrison
C) Galileo Galilei
D) Isaac Newton
Correct Answer: B) John Harrison
Explanation: John Harrison invented the first practical and widely used mechanical clock, known for its accuracy in maritime navigation during the 18th century.
A) Charles F. Brush
B) James Blyth
C) George H. Babcock
D) William Kamkwamba
Correct Answer: A) Charles F. Brush
Explanation: Charles F. Brush built the first successful and practical wind turbine in the late 19th century, which was used for generating electricity.
A) Albert Einstein
B) Heinrich Hertz
C) Thomas Edison
D) Willoughby Smith
Correct Answer: A) Willoughby Smith
Explanation: Willoughby Smith invented the first practical photoelectric cell in 1873, which was crucial in the development of early solar cells and light detection technologies.
A) Apple
B) IBM
C) Microsoft
D) Atari
Correct Answer: B) IBM
Explanation: IBM developed the first successful and widely used personal computer, the IBM PC, in 1981, which set the standard for modern computing.
A) Charles Townes
B) Arthur Schawlow
C) Theodore Maiman
D) Harold Stephen
Correct Answer: C) Theodore Maiman
Explanation: Theodore Maiman created the first successful and widely used industrial laser, known as the ruby laser, which had numerous applications in industry and medicine.
A) Thomas Edison
B) Richard H. Smith
C) Samuel Langley
D) George H. Meyer
Correct Answer: B) Richard H. Smith
Explanation: Richard H. Smith invented the first practical and successful digital thermometer, which improved accuracy and ease of temperature measurement in medical settings.
A) John Lee
B) Walter L. Walker
C) Charles J. Jenkins
D) William R. Stein
Correct Answer: B) Walter L. Walker
Explanation: Walter L. Walker invented the first practical and widely used electric pencil sharpener, making it easier and more efficient to keep pencils sharp for various uses.
A) Jean-François Pilâtre de Rozier
B) Orville Wright
C) Hiram Maxim
D) Ferdinand von Zeppelin
Correct Answer: D) Ferdinand von Zeppelin
Explanation: Ferdinand von Zeppelin is renowned for designing the first practical airship, known as the Zeppelin, which was used for passenger and military purposes in the early 20th century.
A) Henry Ford
B) Karl Benz
C) Enzo Ferrari
D) Alfred Nobel
Correct Answer: B) Karl Benz
Explanation: Karl Benz is known for inventing the first commercially successful gasoline-powered car, the Benz Patent-Motorwagen, which laid the foundation for modern automotive design.
A) Igor Sikorsky
B) Orville Wright
C) Charles Lindbergh
D) Ferdinand von Zeppelin
Correct Answer: A) Igor Sikorsky
Explanation: Igor Sikorsky is credited with developing the first practical and widely used helicopter, which became a significant advancement in aviation technology.
A) Robert Adler
B) Thomas Edison
C) George Inman
D) John Bardeen
Correct Answer: C) George Inman
Explanation: George Inman is credited with inventing the compact fluorescent lamp (CFL), which provided an energy-efficient alternative to traditional incandescent bulbs.
A) Apple
B) Sony
C) Creative Technology
D) Philips
Correct Answer: C) Creative Technology
Explanation: Creative Technology introduced one of the first commercially successful digital audio players, known as the Nomad Jukebox, which popularized MP3 music playback.
A) James Fields
B) John T. Ludlow
C) Thomas Edison
D) Charles Sholes
Correct Answer: B) John T. Ludlow
Explanation: John T. Ludlow created the first successful electric typewriter, which revolutionized typing with automated functionality.
A) Robert Adler
B) John Logie Baird
C) Philo Farnsworth
D) Edwin Land
Correct Answer: A) Robert Adler
Explanation: Robert Adler invented the first practical electronic remote control, known as the “Zenith Space Command,” for televisions.
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