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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
Internet.
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
computing 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
between 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
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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