Question 51 : A variable declared in a function can be used in main().
1. True
2. False
3. True if it is declared static
4. None of the mentioned
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Question 52 : Which of the following is NOT possible with any 2 operators in C?
1. Different precedence, same associativity
2. Different precedence, different associativity
3. Same precedence, different associativity
4. All of the mentioned
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Question 53 : Which of the following method is accepted for assignment?
1. 5 = a = b = c = d;
2. a = b = c = d = 5;
3. a = b = 5 = c = d;
4. None of the mentioned
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Question 54 : Which of the following is a User-defined data type?
1. typedef int Boolean;
2. typedef enum {Mon, Tue, Wed, Thu, Fri} Workdays;
3. struct {char name[10], int age};
4. all of the mentioned
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Question 55 : Which of the following is possible with any 2 operators in C?
1. Same associativity, different precedence
2. Same associativity, same precedence
3. Different associativity, different precedence
4. All of the mentioned
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Question 56 : function tolower(c) defined in library <ctype.h> works for ___________
1. Ascii character set
2. Unicode character set
3. Ascii and utf-8 but not EBCDIC character set
4. Any character set
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Question 57 : Associativity of an operator is ___________
1. Right to Left
2. Left to Right
3. Random fashion
4. Both Right to Left and Left to Right
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Question 58 : Which of the following operators has an associativity from Right to Left?
1. <=
2. <<
3. ==
4. +=
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Question 59 : Which of the following is not a pointer declaration?
1. char a[10];
2. char a[] = {'1', '2', '3', '4'};
3. char *str;
4. char a;
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Question 60 : Which of the following statement is false?
1. A variable defined once can be defined again with different scope
2. A single variable cannot be defined with two different types in the same scope
3. A variable must be declared and defined at the same time
4. A variable refers to a location in memory
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