Mechanical analog computers started appearing in the first century and were later used in the medieval era for astronomical calculations. In World War II, mechanical analog computers were used for specialized military applications such as calculating torpedo aiming. During this time the first electronic digital computers were developed. Originally they were the size of a large room, consuming as much power as several hundred modern personal computers (PCs). COUNT 4
QSN1 What were analog computers originally used for? ANS1 astronomical calculations QSN2 During what war were computers first used for military applications? ANS2 World War II, QSN3 In computer terms, what does PC stand for? ANS3 personal computers QSN4 During what war were the first digital computers invented? ANS4 World War II