1
When the first videogame was created?
1999
2000
1972
2
When the first air conditioning was created?
1902
1990
1975
3
When the first computer was created?
1946
1960
1920
4
When the first cellphone was created?
1956
1973
1942
5
When the first lamp was created?
1879
1954
1977
