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GLOSSARY                                                                   Subject Enrichment






                     Algorithm: An 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 Internet.



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


                     Gateway: A gateway is a network device that allows 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
                      computing services only within an organisation.


                     Legend: Legend is a key which shows the meanings of symbols and colours used in a 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
                      between a user and computer hardware.


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


                    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 a computer.

                     Web app: A Web app is an application  program that  is stored on a remote server and
                      accessed over the Internet through a Web browser interface.

                     Web Portal: A website that is specifically designed to provide a single point of access for
                      information is called Web portal.



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