Tech & Innovation

Q: Who invented the practical electric light bulb?

Thomas Edison. Edison perfected the incandescent bulb in 1879, making it practical and long-lasting.

Q: What household appliance was invented by Ralph Baer in 1967?

Video game console (Magnavox Odyssey). Baer's Magnavox Odyssey became the first home video game console, spawning an industry.

Q: What was invented by John Logie Baird in 1925?

Television. Baird created the first working television system, transmitting recognizable images.

Q: Who created the first practical airplane in 1903?

Wright Brothers. Wilbur and Orville Wright achieved sustained powered flight with the Wright Flyer.

Q: What printing press innovation did Johannes Gutenberg introduce around 1440?

Movable type press. Gutenberg's movable type press enabled mass production of books, launching the information age.

Q: What container invention by Nicolas Appert in 1810 revolutionized food preservation?

Canning in glass jars. Appert's canning process allowed food to be preserved for extended periods without refrigeration.

Q: What photographic innovation did George Eastman pioneer in 1888?

Practical roll film camera. Eastman's Kodak camera made photography accessible to the general public, not just professionals.

Q: Which British mathematician is often called the father of computer science?

Alan Turing. Alan Turing, a British logician and mathematician, is widely recognized as the father of computer science and artificial intelligence. During World War II, he was instrumental in breaking German Enigma codes, and in 1936 he published his groundbreaking paper on the Turing machine, a theoretical computing device that established the foundation for modern computer science. Turing also pioneered AI research and proposed the Turing Test, a famous criterion for machine intelligence that remains relevant today.

Q: What is the primary programming language used for web development called JavaScript initially?

LiveScript. JavaScript was originally called LiveScript when Brendan Eich created it in May 1995 at Netscape Communications, as a lightweight scripting language for adding interactivity to web pages. The name was changed to JavaScript in December 1995 for marketing reasons—Netscape wanted to capitalize on the popularity and brand recognition of Java, even though JavaScript and Java are fundamentally different languages. Today, JavaScript is standardized as ECMAScript and has become the world's most widely used programming language across all platforms.

Q: What year was the first iPhone released by Apple?

2007. Steve Jobs unveiled the first iPhone on January 9, 2007, fundamentally revolutionizing the mobile industry and launching the smartphone era that transformed human communication. This single device eliminated the need for separate iPods, cameras, phones, and GPS units, consolidating multiple technologies into one intuitive touchscreen interface. The iPhone's success spawned an entire ecosystem of apps and services that redefined consumer electronics expectations.

Question 1

Who invented the practical electric light bulb?

Accepted Answer

Thomas Edison

Answer

Nikola Tesla

Answer

Joseph Swan

Answer

Humphry Davy

Question 2

What household appliance was invented by Ralph Baer in 1967?

Accepted Answer

Video game console (Magnavox Odyssey)

Answer

Microwave oven

Answer

Electric kettle

Answer

Dishwasher

Question 3

What was invented by John Logie Baird in 1925?

Accepted Answer

Television

Answer

Radio

Answer

Telephone

Answer

Telegraph

Question 4

Who created the first practical airplane in 1903?

Accepted Answer

Wright Brothers

Answer

Clément Ader

Answer

Otto Lilienthal

Answer

Samuel Langley

Question 5

What printing press innovation did Johannes Gutenberg introduce around 1440?

Accepted Answer

Movable type press

Answer

Rotary press

Answer

Letterpress

Answer

Lithography

Question 6

What container invention by Nicolas Appert in 1810 revolutionized food preservation?

Accepted Answer

Canning in glass jars

Answer

Vacuum sealing

Answer

Freezing

Answer

Salting

Question 7

What photographic innovation did George Eastman pioneer in 1888?

Accepted Answer

Practical roll film camera

Answer

Color photography

Answer

Digital photography

Answer

Instant film

Question 8

Which British mathematician is often called the father of computer science?

Accepted Answer

Alan Turing

Answer

Grace Hopper

Answer

Charles Babbage

Answer

John von Neumann

Question 9

What is the primary programming language used for web development called JavaScript initially?

Accepted Answer

LiveScript

Answer

ECMAScript

Answer

ScriptTalk

Answer

InternetScript

Question 10

What year was the first iPhone released by Apple?

Accepted Answer

2007

Answer

2005

Answer

2009

Answer

2010

Tech & Innovation

Who invented the practical electric light bulb?

Publisher

Tech & Innovation