Q 01/05

Which Apple co-founder unveiled the first iPhone at Macworld in January 2007?

A) Steve Jobs

B) Ronald Wayne

C) Mike Markkula

D) Steve Wozniak

Answer · why

A) Steve Jobs

He called it a revolution for the mobile phone industry, and the phone went on sale that June.

Q 02/05

The short-range wireless standard Bluetooth is named after what?

A) A blue LED indicator

B) A Viking king

C) A Swedish engineer

D) A species of whale

Answer · why

B) A Viking king

Intel's Jim Kardach proposed the codename in 1997 after reading about Harald Bluetooth, the tenth-century king who united Denmark.

Q 03/05

The name Wi-Fi was coined in 1999 by whom?

A) The US Federal Communications Commission

B) The IEEE standards committee

C) The brand consultancy Interbrand

D) Apple's marketing team

Answer · why

C) The brand consultancy Interbrand

The name is a trademark of the Wi-Fi Alliance, and whether it was ever really short for 'wireless fidelity' is still disputed.

Q 04/05

The QR code was invented in 1994 by a subsidiary of which car maker, to label auto parts?

A) Nissan

B) Hyundai

C) Honda

D) Toyota

Answer · why

D) Toyota

Masahiro Hara of Denso Wave based the position-marker pattern on the black and white counters of a Go board.

Q 05/05

The first network email, which introduced the @ sign in addresses, was sent in which year?

A) 1971

B) 1975

C) 1980

D) 1984

Answer · why

A) 1971

It travelled over ARPANET, the US defence research network that became the technical foundation of the internet.