Question 21 : What is the scope of an automatic variable?
1. Within the block it appears
2. Within the blocks of the block it appears
3. Until the end of program
4. Within the block it appears & Within the blocks of the block it appears
View Answer   Discuss with Members

Question 22 : What is the scope of an external variable?
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
View Answer   Discuss with Members

Question 23 : register keyword mandates compiler to place it in machine register.
1. True
2. False
3. Depends on the standard
4. None of the mentioned
View Answer   Discuss with Members

Question 24 : In a conditional inclusion, if the condition that comes after the if is true, then what will happen during compilation?
1. Then the code up to the following #else or #elif or #endif is compiled
2. Then the code up to the following #endif is compiled even if #else or #elif is present
3. Then the code up to the following #eliif is compiled
4. None of the mentioned
View Answer   Discuss with Members

Question 25 : Can function definition be present in header files?
1. Yes
2. No
3. Depends on the compiler
4. Depends on the standard
View Answer   Discuss with Members

Question 26 : Property which allows to produce different executable for different platforms in C is called?
1. File inclusion
2. Selective inclusion
3. Conditional compilation
4. Recursive macros
View Answer   Discuss with Members

Question 27 : For each #if, #ifdef, and #ifndef directive.
1. There are zero or more #elif directives
2. Zero or one #else directive
3. One matching #endif directive
4. All of the mentioned
View Answer   Discuss with Members

Question 28 : What is the scope of automatic variable?
1. Exist only within that scope in which it is declared
2. Cease to exist after the block is exited
3. Exist only within that scope in which it is declared & exist after the block is exited
4. All of the mentioned
View Answer   Discuss with Members

Question 29 : Which of the following are C preprocessors?
1. #ifdef
2. #define
3. #endif
4. all of the mentioned
View Answer   Discuss with Members

Question 30 : What is the advantage of #define over const?
1. Data type is flexible
2. Can have a pointer
3. Reduction in the size of the program
4. None of the mentioned
View Answer   Discuss with Members