1) When was the first computer for calculations invented? a) 1945 b) 1955 2) What was the weight of the first computer for calculations? a) 30 tons b) 20 tons 3) How many times does the person usually blink per minute? a) 15-20 b) 20-30 4) How many times does the person usually blink per minute in front of the laptop? a) 7-9 b) 15-20 5) When was the first mouse invented? a) 1964 b) 1978

tech quiz

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?