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Questions and Answers
What is the default initial value of an automatic integral variable?
What is the default initial value of an automatic integral variable?
- 1
- 0 (correct)
- null
- garbage
Which storage class allows variables to retain their value between multiple function calls?
Which storage class allows variables to retain their value between multiple function calls?
- Automatic
- External
- Static (correct)
- Register
What is a limitation of using the register keyword in C?
What is a limitation of using the register keyword in C?
- Register variables cannot store pointers (correct)
- Register variables cannot be initialized
- & operator cannot be used with register variables
- Register variables are slower than automatic variables
In C, where is the visibility of a static global variable restricted to?
In C, where is the visibility of a static global variable restricted to?
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What does the 'extern' storage class indicate to the compiler?
What does the 'extern' storage class indicate to the compiler?
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What happens when you attempt to dereference a register variable in C?
What happens when you attempt to dereference a register variable in C?
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How many times can an external variable be initialized in C?
How many times can an external variable be initialized in C?
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Which type of variables have faster access time than automatic variables?
Which type of variables have faster access time than automatic variables?
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'static' keyword in C is used to define which type of variables?
'static' keyword in C is used to define which type of variables?
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In C, what can't be done to a static variable once it's declared?
In C, what can't be done to a static variable once it's declared?
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