What is the effectiveness of a machine?

Which type of narrator shares the perspectives of many characters? What has the author Kurt Neilson written? Did knights use crossbows? Why do Fours Fives and Sixes all wear jackets with buttons that fasten down the back the giver? What has the author Guy Harlan Rooth written? How old is horrid henrys purple hand gang? Dante's Inferno contains how many cantos? What did jack trade for beans that created a bean stalk? When did the Archibald prize begin? In the story 'The Cask of Amontillado' what reason did Montresor give to Fortunato so the latter would go with him? What startling fact is revealed about Tom Robinson and how is it significant to the outcome of the trial in To Kill a Mockingbird? What persona did Mae West play? What is the book 'Thief' about? Did Sassoon write the famous quotethe only place where success comes before workis in the dictionary? Who wrote the book Schindler's Ark? What was your opinion of To Kill a Mockingbird? Why did author Hinton choose Tulsa as the location for the outsiders book? What person invented winx club? Where is social ostracism in To Kill a Mockingbird? Why did the search for montag veer inland in Fahrenheit 451?

What is the effectiveness of a machine?