Each macronutrient yields a certain number of calories. 1  One gram of protein yields 4 calories. 2  One gram of carbohydrate yields 4 calories. 3  One gram of fat yields 9 calories. 4  One gram of alcohol yields 7 calories.
History of Microsoft. Microsoft is a multinational computer technology corporation. The history of Microsoft began on April 4, 1975, when it was founded by Bill Gates and Paul Allen in Albuquerque.
Profile: Who is Satya Nadella. When Satya Nadella was named Microsoft CEO in February, analysts who follow the company said one of his top priorities must be to mold the software behemoth in to a more nimble company.