1) When was first PC invented? a) 1326 b) 996 c) 1972 d) 1970 e) 1969 f) 1971 2) Who invented first PC? a) Luki b) John Blankbaker c) John Blankenbaker d) Adolf Hitler e) Albert Einstein f) Isaac Newton  3) What was the name of the first PC? a) Kenbak-1 b) Kebab-1 c) Apolo-11 d) Kenduck-1 e) Kentucky-1 f) Kenbab-1 4) How many people were using PC's as of 2021? a)  7 suii b) 6.9 bilions c) 1.78 bilions d) 1.79 bilions e) 1.77 bilions f) 1.76 bilions

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