C Interview Questions

a.One Cannot Take the address of a Bit Field b.bit fields cannot be arrayed c.Bit-Fields are machine Dependant d.Bit-fields cannot be declared as static Which of the Following Statements are true w.r.t Bit-Fields A)a,b&c B)Only a & b C)Only c D)All

9162

What is the function of ceil(X) defined in math.h do? A)It returns the value rounded down to the next lower integer B)it returns the value rounded up to the next higher integer C)the Next Higher Value D)the next lower value

9063

When do you say that a digraph is acyclic A)if and only if its first search does not have back arcs B)a digraph is acyclic if and only if its first search does not have back vertices C)if and only if its first search does not have same dfnumber D)None of these

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A function 'q' that accepts a pointer to a character as argument and returns a pointer to an array of integer can be declared as: A)int (*q(char*)) [] B)int *q(char*) [] C)int(*q)(char*) [] D)None of the Above

6192

What kind of sorting is this? SORT (k,n) 1.[Loop on I Index] repeat thru step2 for i=1,2,........n-1 2.[For each pass,get small value] min=i; repeat for j=i+1 to N do { if K[j]

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Which of the Following is not defined in string.h? A)strspn() B)strerror() C)memchr() D)strod()

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Identify the correct argument for the function call fflush () in ANSI C: A)stdout B)stdin C)stderr D)All the above

22549

Which of the Following will define a type NODE that is a node in a Linked list? A)struct node {NODE*next;int x;};type def struct node NODE; B)typedef struct NODE {struct NODE *next;int x;}; C)typedef struct NODE {NODE *next;int x;}; D)typedef struct {NODE *next;int x;}NODE;

10190

Which of these statements are false w.r.t File Functions? i)fputs() ii)fdopen() iii)fgetpos() iv)ferror() A)ii B)i,ii C)iii D)iv

10041

Study the code: void show() main() { show(); } void show (char *s) { printf("%sn",s); } What will happen if it is compiled & run on an ANSI C Compiler? A)It will compile & nothing will be printed when it is executed B)it will compile but not link C)the compiler will generate an error D)the compiler will generate a warning

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Look at the Code: #include void main() { char s1[]="abcd"; char s2[10]; char s3[]="efgh"; int i; clrscr(); i=strcmp(strcat(s3,ctrcpy(s2,s1))strcat(s3,"abcd")); printf("%d",i); } What will be the output? A)No output B) A Non Integer C)0 D) Garbage

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Look at the Code: main() { int a[]={1,2,3},i; for(i=0;i<3;i++) { printf("%d",*a); a++; } } Which Statement is/are True w.r.t the above code? I.Executes Successfully & Prints the contents of the array II.Gives the Error:Lvalue Required III.The address of the array should not be changed IV.None of the Above. A)Only I B)Only II C)II & III D)IV

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what is the output? #define fun(a,b,t) (g ##t=(a),(a)=(b),(b)=g##t) float gfloat; main() { float a=1.12,b=3.14; fun (a,b,float); printf("na=%4.2f,b=%4.2f",a,b); } A)Error in Defining Macro B)a=1.12,b=3.14 C)a=3.14,b=1.12 D)None of the Above

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study the code: #include void main() { const int a=100; int *p; p=&a; (*p)++; printf("a=%dn(*p)=%dn",a,*p); } What is printed? A)100,101 B)100,100 C)101,101 D)None of the above

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Which of the following are valid "include" formats? A)#include and #include[file.h] B)#include (file.h) and #include C)#include [file.h] and #include "file.h" D)#include and #include "file.h"

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What are the different types of control structures in programming?

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Write a C program to help a HiFi’s Restaurant automate its breakfast billing system. Your assignment should implement the following items: a. Show the customer the different breakfast items offered by the HiFi’s Restaurant. b. Allow the customer to select more than one item from the menu. c. Calculate and print the bill to the customer. d. Produce a report to present your complete program and show more sample output. Assume that the HiFi’s Restaurant offers the following breakfast menu: Plain Egg \$2.50 Bacon and Egg \$3.45 Muffin \$2.20 French Toast \$2.95 Fruit Basket \$3.45 Cereal \$0.70 Coffee \$1.50 Tea \$1.80

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Where are the auto variables stored?

682

What is graph in c?

634

Is python a c language?

602

What is meant by int main ()?

770

How do you print an address?

806

how we can make 3d venturing graphics on outer interface

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the constant value in the case label is followed by a a) semicolon b) colon c) braces d) none of the above

784

Differentiate between ordinary variable and pointer in c.

661

What is s in c?

665

What is the importance of c in your views?

641

Do you know the difference between exit() and _exit() function in c?

655

any "C" function by default returns an a) int value b) float value c) char value d) a & b

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What are dangling pointers? How are dangling pointers different from memory leaks?

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