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 5280

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,

1704

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 11502

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 5208

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

Accenture,

2 5794

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 10535

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 9166

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 12677

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 6495

write the program for prime numbers?

Accenture, Aptech, Infosys, TCS,

73 261798

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

5 6302

write a program for even numbers?

TCS,

19 26556

write a program for odd numbers?

15 24941

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?

2158

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

Google, ME,

3 12445


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Un-Answered Questions { C }

Can you please explain the scope of static variables?

590


Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

1747


Explain what are multibyte characters?

611


Can a variable be both const and volatile?

654


What is graph in c?

572






What is the difference between volatile and const volatile?

554


What does %d do in c?

533


Differentiate between the expression “++a” and “a++”?

687


What does %d do?

700


What is self-referential structure in c programming?

640


What is the size of a union variable?

586


What is ctrl c called?

580


please explain every phase in the "SDLC" in the dotnet.

2165


How to write c functions that modify head pointer of a linked list?

530


what are the advanced features of functions a) function declaration and prototypes b) calling functions by value or by reference c) recursion d) all the above

648