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Question
Why scope should be used for variable. State the reason.
Solution
Essentially, variables are addresses (references, or pointers), to an object in memory. When you assign a variable with := to an instance (object), you’re binding (or mapping) the variable to that instance. Multiple variables can be mapped to the same instance.
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RELATED QUESTIONS
Which of the following refers to the visibility of variables in one part of a program to another part of the same program.
Which scope refers to variables defined in current function?
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Identify the scope of the variables in the following pseudo-code and write its output
color:= Red
mycolor():
b:=Blue
myfavcolor():
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printcolor, b, g
myfavcolor()
printcolor, b
mycolor()
print color
What is meant by the scope of a variable? Mention its types.
Define global scope.
Write the rules of a local variable.
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