Storage Class MCQs
Practice free Storage Class multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 35 questions — no login required.
Question 19easy
Which storage class should be used for a variable that should be accessed quickly and frequently?
Question 20easy
What is the primary difference between 'auto' and 'register' storage classes?
Question 21easy
In which storage class are variables allocated memory in the data segment of the program's memory?
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Question 22easy
Which storage class can only be used for local variables?
Question 23easy
What storage class is typically used for function definitions in header files?
Question 24medium
What happens when you declare a variable with the 'extern' storage class in a C source file?
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Question 25easy
In which storage class is a variable's memory allocated on the stack?
Question 26easy
Which storage class can help improve execution speed by allowing variables to be stored in CPU registers?
Question 27easy
What is the storage duration of a variable with 'static' storage class?