Everybody in this world is performing one duty or the other.The duties we are performs is like the functional activity of bigger execution block. Let us shrink our vision and take one house to understand. In traditional family environment husband involves in earning to maintain day to day expenses and wife involves in house hold activitie
The person or device that is capable of serving is called the Server. In our day to day life we come across various servers. We generally purchase vegetable or fruits from a vendor (Shopkeeper / hawker). We request the shopkeeper for required vegetables/fruits. The shop keeper provides us the required vegetable or fruits. We ask the shopkeeper and he provides us the food items. So, Shopkeeper is at our service, which fulfills our need.