C MCQs for placement and exams - Set 9

C MCQs for placement and exams - Set 9

1.) If every node u in G is adjacent to every other node v in G, A graph is said to be
a.) isolated
b.) complete
c.) finite
d.) strongly connected
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2.) In a Heap tree
a.) Values in a node is greater than every value in left sub tree and smaller than right sub tree  
b.) Values in a node is greater than every value in children of it
c.) Both of above conditions applies
d.) None of the mentioned
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3.) In a binary tree, certain null entries are replaced by special pointers which point to nodes higher in the tree for efficiency. These special pointers are called
a.) Leaf
b.) branch
c.) path  
d.) thread
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4.) To use the function tolower(), which of the following header file should be used
a.) string.h
b.) conio.h
c.) ctype.h
d.) None of the mentioned
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5.) What is function overloading?
a.) calling a function from another function
b.) having more than one function of same name
c.) calling a function from itself
d.) None of the mentioned
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6.) The size of a structure can be determined by 

a. size of variable name
b. sizeof(struct tag)

a.) Only a
b.) Only b
c.) Both a and b
d.)none of the above
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7.) fputs function is used to
a.) write characters to a file
b.) takes 2 parameters
c.) returns a character
d.) requires a file pointer
e.) write characters to a file, takes 2 parameters, returns a character
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8.) Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?
a.) rem = 3.14 % 2.1;
b.) rem = modf(3.14, 2.1);
c.) rem = fmod(3.14, 2.1);
d.) Remainder cannot be obtain in floating point division.
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9.) What are the types of linkages?
a.) Internal and External
b.) External, Internal and None
c.) External and None
d.) Internal
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10.) Which of the following special symbol allowed in a variable name?
a.) * (asterisk)
b.) | (pipeline)
c.) - (hyphen)
d.) _ (underscore)
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