1) Who invented the phonogram? a) Albert einstein b) Nikola Tesla c) Thomas Edison d) Osama Bin Laden e) Me f) Robert Oppenheimer 2) Wich one was first? a) Gramophone b) MP3 c) MP4 d) Cassete e) Phone f) MP5 (gun) 3) What is an mp3? a) A movie b) a book c) a computer program d) a lego set e) a file format f) a computer 4) Wich one is more used today? a) Phonograph b) Cassete c) Gramophone d) Phones e) DvD f) Mp4

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