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HCL C Interview Questions
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#include main() {int i=1;j=1; for(;;) {if(i>5) break; else j+=1; printf("\n%d",j) i+=j; } }

7 5342

#include main(0 { printf("\n %d %d %d",sizeof(3),sizeof("3"),sizeof(3)); }

4 8316

a<<1 is equivalent to a) multiplying by 2 b) dividing by 2 c) adding 2 d)none of the above

2 8208

The operation of a stair case switch best explains the a) or operation b) and operation c)exclusive nor operation d)exclusive or operation Which of the following is/are syntactically correct? a) for(); b) for(;); c) for(,); d) for(;;);

1 9566

b) 4 c) 6 d) 7 32. Any C program a) must contain at least one function b) need not contain ant function c) needs input data d) none of the above 33. Using goto inside for loop is equivalent to using a) continue b) break c) return d)none of the above 34. The program fragment int a=5, b=2; printf(“%d”,a+++++b); a) prints 7 b)prints 8 c) prints 9 d)none of the above 35. printf(“ab” , “cd”,”ef”); prints a) ab abcdef c) abcdef, followed by garbage value d) none of the above 36. Consider the following program segment. i=6720; j=4; while((i%j)==0) { i=i/j; j=j+1; } On termination j will have the value a) 4 b) 8 c) 9 d) 6720

1 5862

Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

2 5115

what is the difference between class and unio?


int main() { int i=-1,j=-1;k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d%d%d%d%d",i,j,k,l,m); }

3 6069

To print the pattern 1 2 3 4 5 10 17 18 19 6 15 24 25 20 7 14 23 22 21 8 13 12 11 10 9


Write a program to print ASCII code for a given digit.


What is the maximum no. of arguments that can be given in a command line in C.?


Differentiate fundamental data types and derived data types in C.


Explain pointer. What are function pointers in C?


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HCL C Interview Questions

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hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?


What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.