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GLOSSARY Subject Enrichment
F Algorithm: Algorithm is the sequence of steps or computer operations that collectively solve
a given problem.
F Cell reference: A cell reference is a cell address that can be used in a formula to denote a
specific cell.
F Class: A class can be defined as a user-defined blueprint or prototype that is used to create
objects.
F E-commerce: E-commerce means to buy or sell products on an online service over the
Internet.
F Functions: Functions are pre-defined formulas in Excel to perform both simple and complex
calculations.
F Gateway: A gateway is a network device that allows the data to flow between two different
networks that may use different protocols.
F Intranet: A computer network that is used for sharing information, devices and other
computing services only within an organisation is called Intranet.
F Legend: Legend is a key that shows the meanings of symbols and colours used in the chart.
F Networking: The process of connecting computers and peripheral devices with each
other, so that they can exchange data is called computer networking.
F Operating System: An operating system is a system software that works as a mediator
between user and computer hardware.
F Operator: An operator is a symbol that tells the compiler to perform specific mathematical
or logical calculations.
F Protocol: A protocol is set of standard rules used for communication.
F User Interface: A User Interface (UI) refers to a part of an operating system that allows the
user to interact with the computer.
F 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.
F Web Portal: A website that is specifically designed to provide a single point of access for
information is called a web portal.
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