Question 21 : Modulus for float could be achieved by?
1. a % b
2. modulus(a, b);
3. fmod(a, b);
4. mod(a, b);
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Question 22 : What is the size of an int data type?
1. 4 Bytes
2. 8 Bytes
3. Depends on the system/compiler
4. Cannot be determined
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Question 23 : Variable name resolution (number of significant characters for the uniqueness of variable) depends on ___________
1. Compiler and linker implementations
2. Assemblers and loaders implementations
3. C language
4. None of the mentioned
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Question 24 : For which of the following, “PI++;” code will fail?
1. #define PI 3.14
2. char *PI = “A”;
3. float PI = 3.14;
4. none of the Mentioned
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Question 25 : Which of the following are unary operators?
1. sizeof
2. –
3. ++
4. all of the mentioned
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Question 26 : Which is correct with respect to the size of the data types?
1. char > int > float
2. int > char > float
3. char < int < double
4. double > char > int
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Question 27 : Why do variable names beginning with the underscore is not encouraged?
1. It is not standardized
2. To avoid conflicts since assemblers and loaders use such names
3. To avoid conflicts since library routines use such names
4. To avoid conflicts with environment variables of an operating system
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Question 28 : What is the precedence of arithmetic operators (from highest to lowest)?
1. %, *, /, +, –
2. %, +, /, *, –
3. +, -, %, *, /
4. %, +, -, *, /
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Question 29 : When double is converted to float, then the value is?
1. Truncated
2. Rounded
3. Depends on the compiler
4. Depends on the standard
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Question 30 : Which of the data types has the size that is variable?
1. int
2. struct
3. float
4. double
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