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GLOSSARY





                    Algorithm:  Algorithm is the sequence of steps or computer operations which collectively
                      solve a given problem.

                    Cell reference: A cell reference is a cell address that can be used in a formula to denote a
                      specific cell.

                    Class: A class can be defined as a user defined blueprint or prototype that is used to create
                      objects.

                    E-commerce: E-commerce means to buy or sell products on an online service over the Inter-
                      net.

                    Functions: Functions are predefined formulas in Excel to perform both simple and complex
                      calculations.

                    Gateway: A gateway is a network device that allows to data to flow between two different
                      networks which may use different protocols.

                    Intranet: A computer network that is used for sharing information, devices and other com-
                      puting services only within an organisation is called Intranet.


                    Legend: Legend is a key which shows the meanings of symbols and colours used in the chart.


                    Networking:  The  process  of  connecting  computers  and  peripheral  devices  with  each
                      other, so that they can exchange data is called computer networking.


                    Operating System: An operating system is a system software that works as a mediator be-
                      tween user and computer hardware.

                    Operator: An operator is a symbol that tells the compiler to perform specific mathematical
                      or logical.


                    Protocol: A protocol is set of standard rules used for communication.


                    User Interface: A User Interface (UI) refers to a part of an operating system that allows a user
                      to interact with computer.


                    Web app: A Web app is an application program that is stored on a remote server and ac-
                      cessed over the Internet through a Web browser interface.


                    Web Portal: A website that is specifically designed to provide a single point of access for in-
                      formation is called web portal.




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