MICROPROCESSOR AND MICROCONTROLLER

Detailed explanation-1: -The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644. It could only do addition and subtraction, with numbers being entered by manipulating its dials.

Detailed explanation-2: -Pascal’s calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father’s work as the supervisor of taxes in Rouen.

Detailed explanation-3: -A Life of Science In 1641, at the age of 18, Pascal built his first arithmetical machine, an instrument which, eight years later, he further improved and called the Pascaline.

Detailed explanation-4: -Between 1642 and 1644, Pascal conceived and constructed a calculating device, the Pascaline, to help his father-who in 1639 had been appointed intendant (local administrator) at Rouen-in his tax computations.