Variable 02
Variable 02 : (ICT) A variable is a piece of data that you can alter that has also been given a name. Many software applications such as spreadsheets and databases make use of variables. All computer programming languages can handle variables. For example myname = "Henry". The variable is 'myname' and its value is 'Henry'. Variables can hold any type of data. For instance a variable can represent a number cost = 15. Variables are used instead of the value itself because it makes it easier for someone to understand what you are trying to do. For instance a formula such as this: total_cost = cost + tax Makes more sense than total_cost = 15 + 3
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