A precursor of the modern transistor, this light-bulb like device was sometimes knows by its more technical name: a thermonic valve.
What is vacuum tube?
100
The next version of this popular mobile device is rumored to have a screen size of more than six inches.
What is the iPhone?
100
Your Level 20 Paladin would be right at home in this Massively Multi-player Online game.
What is World of Warcraft?
200
This ubiquitous phrase, which now always refers to a device, originally meant the human being who operated one.
What is a computer?
200
The original Apple computer, this device was named after a specific type of the delicious fruit.
What is a Macintosh?
200
This famous character can eat dots all day long, but a Power Pill would send him on the offensive.
What is Pac-Man?
300
This calculating device, also called a "counting frame", dates back to before 1387 B.C.E.
What is an abacus?
300
It doesn't quite beam images directly into your eyes, but this wearable device was expected to revolutionize mobile computing when it debuted in February 2013.
What is Google Glass?
300
Considered one of the worst failures in computer gaming, nearly a million copies of this Atari game were buried in a New Mexico landfill, only to be dug up 30 years later by nostalgic collectors.
What is E.T. the Extra Terrestrial
400
When a moth flew into a computer in 1945 and shorted out Relay #70, this common computer term was coined.
What is a bug?
400
Originally funded by a Kickstarter campaign, this lightweight virtual reality headset sold out quickly after its debut at the 2014 SXSW festival.
What is the Oculus Rift?
400
Early versions of this primitive game were created using an oscilloscope, but when it was hooked up to a television and put in a wooden cabinet, it became the first commercially successful computer game.
What is PONG?
500
The British built a massive computer known as the Bombe during World War II to help decipher messages generated by this German coding machine.
What is the Enigma?
500
Predating handheld devices such as the Palm and iPad by many years, it was marketed as a "digital assistant" but widely considered a failure.
What is the Apple Newton?
500
Generally credited with creating the First-person Shooter genre, this WWII game even predated the more widely known "Doom".