C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

Switch (i) i=1; case 1 i++; case 2 ++i; break; case 3 --i; Output of i after executing the program

Mascot,

5 10253

char S; char S[6]= " HELLO"; printf("%s ",S[6]); output of the above program ? (0, ASCII 0, I,unpredictable)

Mascot,

7 14480

Unsigned char c; for ( c=0;c!=256;c++2) printf("%d",c); No. of times the loop is executed ?

Mascot, TCS,

8 20479

int i; i=2; i++; if(i=4) { printf(i=4); } else { printf(i=3); } output of the program ?

Mascot,

15 21129

write a C code to reverse a string using a recursive function, without swapping or using an extra memory.

Motorola, TCS, Wipro,

9 43158

write a C code To reverse a linked list

Motorola, Wipro,

2 15163

Difference between Class and Struct.

Ericsson, Motorola, Wipro,

13 40915

Tell about strtok & strstr functions

HCL, iFlex, Motorola,

2 19579

two progs are given. one starts counting frm 0 to MAX and the other stars frm MAX to 0. which one executes fast.

Verifone,

5 9179

int a=2,b=3,c=4; printf("a=%d,b=%d\n",a,b,c); what is the o/p?

Verifone,

6 22609

C program code int zap(int n) { if(n<=1)then zap=1; else zap=zap(n-3)+zap(n-1); } then the call zap(6) gives the values of zap [a] 8 [b] 9 [c] 6 [d] 12 [e] 15

TCS, Wipro,

6 24083

n=7623 { temp=n/10; result=temp*10+ result; n=n/10 }

Wipro,

7 13764

int zap(int n) { if(n<=1)then zap=1; else zap=zap(n-3)+zap(n-1); } then the call zap(6) gives the values of zap [a] 8 [b] 9 [c] 6 [d] 12 [e] 15

Wipro,

10 17683

The C language terminator is a.semicolon b.colon c.period d.exclamation mark

TCS,

6 15481

What is false about the following A compound statement is a.A set of simple statments b.Demarcated on either side by curly brackets c.Can be used in place of simple statement d.A C function is not a compound statement.

CCEM, TCS,

5 22015

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Un-Answered Questions { C }

What is the advantage of c?

1130

Program will then find the largest of three numbers using nested if-else statements. User is prompted to enter three numbers. Program will find the largest number and display it on the screen. All three numbers entered by the user are also displayed. If user enters 21, 33, and 5, the output should be as follows: You entered: 21, 33 and 5. The largest number is 33.

1695

What is sizeof int in c?

1062

Describe the difference between = and == symbols in c programming?

1379

How are portions of a program disabled in demo versions?

1298

What does nil mean in c?

1265

I completed my B.tech (IT). Actually I want to develop virtual object that which will change software technology in the future. To develop virtual object what course I have to take. can I any professor to help me.

2237

How do I create a directory? How do I remove a directory (and its contents)?

1172

What are the benefits of organizational structure?

1031

Can the size of an array be declared at runtime?

1088

Why c is a mother language?

1040

Explain what are the advantages and disadvantages of a heap?

1094

Is return a keyword in c?

1090

List the difference between a 'copy constructor' and a 'assignment operator' in C?

1092

How can I convert a number to a string?

1196

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