Question 41 : Which of following is not accepted in C?
1. static a = 10; //static as
2. static int func (int); //parameter as static
3. static static int a; //a static variable prefixed with static
4. all of the mentioned
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Question 42 : Which among the following is the correct syntax to declare a static variable register?
1. static register a;
2. register static a;
3. Both static register a; and register static a;
4. We cannot use static and register together
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Question 43 : Which among the following is wrong for 'register int a;'?
1. Compiler generally ignores the request
2. You cannot take the address of this variable
3. Access time to a is critical
4. None of the mentioned
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Question 44 : If the file name is enclosed in double quotation marks, then _________
1. The preprocessor treats it as a user-defined file
2. The preprocessor treats it as a system-defined file
3. The preprocessor treats it as a user-defined file & system-defined file
4. None of the mentioned
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Question 45 : What is the return-type of the function sqrt()?
1. int
2. float
3. double
4. depends on the data type of the parameter
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Question 46 : Conditional inclusion can be used for ___________
1. Preventing multiple declarations of a variable
2. Check for existence of a variable and doing something if it exists
3. Preventing multiple declarations of same function
4. All of the mentioned
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Question 47 : What is the scope of a function?
1. Whole source file in which it is defined
2. From the point of declaration to the end of the file in which it is defined
3. Any source file in a program
4. From the point of declaration to the end of the file being compiled
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Question 48 : Automatic variables are allocated space in the form of a __________
1. stack
2. queue
3. priority queue
4. random
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Question 49 : Automatic variables are _________
1. Declared within the scope of a block, usually a function
2. Declared outside all functions
3. Declared with auto keyword
4. Declared within the keyword extern
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Question 50 : The preprocessor provides the ability for _______________
1. The inclusion of header files
2. The inclusion of macro expansions
3. Conditional compilation and line control
4. All of the mentioned
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