1) Who invented the light bulb? a) the Biro brothers b) Swan and Edison c) Mark Zuckerberg 2) What did John Logie Baird invent? a) Radio b) calculator c) television 3) When were pencils invented? a) 1977 b) 1565 c) 1870 4) The radio was invented by a) Marconi b) Edison c) Gesner 5) When was the PC invented? a) 2000 b) 1810 c) 1977 6) Marconi sent messages using a) internet b) radio waves c) messenger pigeons

inventors and inventions

oleh

Papan mata

Gaya visual

Pilihan

Tukar templat

Pulihkan autosimpan: ?