C MCQs for placement and exams - Set 3

C MCQs for placement and exams - Set 3

1.) Smallest element of array's index is called
a.) lower bound
b.) upper bound
c.) range
d.) Extraction
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2.) O(N)(liner time) is better than O(1) constant time.
a.) TRUE
b.) FALSE
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3.) what is the maximum number of dimensions an array in C may have ?
a.) two
b.) eight
c.) twenty
d.) theoratically no limit only practical limits are memory size and compilers
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4.) Array passed as an argument to a function is interpreted as 
a.) Address of the array
b.) Values of the first elements of the array
c.) Address of the first element of the arrayd.) Number of element of the array 
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5.) Which of the following is the correct way of declaring a float pointer: 
a.) float ptr;
b.) float *ptr;
c.) *float ptr;
d.) None of the above
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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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