Early computers
When was the algorithm invented?
A) Around year 800 by al-Khwarizmi
B) Around 1940 during WWII
C) Around 1998 when Google was made
A)Around year 800 by al-Khwarizmi
Explanation: An algorithm is like a recipe for solving problems. The idea came from al-Khwarizmi around year 800.
100: When was Wi-Fi invented?
A) 1942 by Hedy Lamarr & George Antheil
B) 1991 with the World Wide Web
C) 2007 with the iPhone
A) 1942 by Hedy Lamarr & George Antheil
Explanation: Wi-Fi was invented in 1942, but was used much later. It lets devices connect without cables.
200: When was the first computer program written?
A) By Ada Lovelace, 1843
B) By Alan Turing, 1950
C) By Steve Jobs, 2007
A) By Ada Lovelace, 1843
Explanation: Ada Lovelace wrote the first program, even before a computer existed to run it.
200: When was the World Wide Web invented?
A) 1980 by Ada Lovelace
B) 1989 by Tim Berners-Lee
C) 2004 by Mark Zuckerberg
B) 1989 by Tim Berners-Lee when working at CERN
Explanation: The World Wide Web made websites possible, and changed how we use the internet.
300: When did the first computers appear?
A) During WWII, ca. 1940
B) In 1980, when PCs were sold
C) In 1991, with the World Wide Web
A) During WWII, ca. 1940
Explanation: The first big computers helped with war codes and math during WWII.
300: When did Google appear?
A) 1998, by Stanford students
B) 2001, with robot vacuum
C) 2010, with Netflix
A) 1998, by Stanford students
Explanation: Google helped people search the web smarter than earlier search engines.
400: When was the first computer game created?
A) Minecraft, 2009
B) Spacewar, 1961
C) Pong, 1972
B) Spacewar, 1961
Explanation: Spacewar was one of the first games, played on huge computers by students.
500: When was a chess grandmaster first beaten by a computer?
A) 1966, against Eliza
B) 1997, Kasparov lost
C) 2022, against ChatGPT
B) 1997, Kasparov lost
Explanation: In 1997, world champion Garry Kasparov lost to a chess computer.