Public Relation – It is a process of strategic communication which builds jointly beneficial relationships between organizations and their public. It is the practice of managing the huge information between the customer and organization such as government agency, business or a nonprofit organization. It is the method of making coverage for customer in free. Advertising…

Network topology – It means the physical layout of a LAN. It includes geometrical arrangement of computer resources, remote devices and communication facilities. Each device or computer in the network is called a node. Following topologies are most common for local area networking Star topology –This type of topology is used for a Local Area Network…

Carbon dioxide is present in small amount in the earth’s atmosphere. It is nearly about 0.033 percent of all atmospheric gases. Though carbon dioxide is present in small proportion in the atmosphere, but it performs very important functions. Some of the important functions performed by carbon dioxide gas in the atmosphere are given below Carbon…