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C Interview Questions
Questions Answers Views Company eMail

2. 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

Accenture,

3 6522

3. 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

Accenture,

2143

4.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

Accenture,

6 13382

5. 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]

Accenture,

2 6272

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

Accenture,

2 6658

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

Accenture,

10 13541

10. 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

Accenture,

5 10803

11. 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

Accenture,

7 15015

12. 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

Accenture,

4 7756

write the program for prime numbers?

Accenture, Aptech, Infosys, TCS,

73 279929

write the program for maximum of the following numbers? 122,198,290,71,143,325,98

5 7621

write a program for even numbers?

TCS,

19 31578

write a program for odd numbers?

15 28957

Write a C program on Centralized OLTP, Decentralized OLTP using locking mechanism, Semaphore using locking mechanism, Shared memory, message queues, channel of communication, sockets and a simple program on Saving bank application program using OLTP in IPC?

2644

Predict the output or error(s) for the following: 25. main() { printf("%p",main); }

Google, ME,

3 13966


Post New C Questions

Un-Answered Questions { C }

Why is c called "mother" language?

1248


What is difference between scanf and gets?

1200


Why does the call char scanf work?

1177


Can you pass an entire structure to functions?

1092


What is wrong in this statement? scanf(“%d”,whatnumber);

1209


What kind of structure is a house?

1008


What is string length in c?

1047


Explain what is wrong in this statement?

1085


What is abstract data structure in c?

998


Calculate the weighted average of a list of n numbers using the formula xavg = f1x1+f2x2+ ….+ fnxn where the f’s are fractional weighting factors, i.e., 0<=fi<1, and f1+f2+….+fn = 1

4211


c program to compute AREA under integral

2360


What is the difference between procedural and functional programming?

1035


What should malloc() do? Return a null pointer or a pointer to 0 bytes?

1035


what is ur strangth & weekness

2360


List some applications of c programming language?

924