Western Governors University (WGU) ITSW 2113 D278 Scripting and Programming Foundations Practice Exam

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In programming, what does an operator such as '+' do?

Performs data type conversion

Declares a variable

Performs addition

The operator '+' is primarily used in programming to perform addition, which is a fundamental arithmetic operation. In many programming languages, when you use this operator with numerical values, it calculates the sum of those numbers. For example, if you have two variables, 'a' and 'b', containing the values 5 and 10 respectively, using 'a + b' would yield 15.

In addition to numerical addition, the '+' operator can also be used to concatenate strings in some programming languages. For instance, if 'str1' is "Hello" and 'str2' is "World", using 'str1 + str2' would produce "HelloWorld". This dual functionality of the '+' operator highlights its role in both mathematical calculations and string manipulations.

Understanding how operators like '+' function is crucial in programming, as they are foundational building blocks for writing expressions and implementing logic within code.

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Defines a function

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