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(#M40165168) TCS QUESTION Technical MCQ Keep an EYE

What will happen if in a C program you assign a value to an array element
whose subscript exceeds the size of array?
1. The element will be set to 0.
2. The compiler would report an error.
3. The program may crash if some important data gets overwritten.
4. The array size would appropriately grow.

Asked In TCS Ashish (7 years ago)

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(#M40165167) TCS QUESTION Technical MCQ Keep an EYE

Comment on the below while statement=while (0 == 0) { }
A) It has syntax error as there are no statements within braces {}
B) It will run forever
C) It compares 0 with 0 and since they are equal it will exit the loop immediately
D) It has syntax error as the same number is being compared with itself

Asked In TCS Ashish (7 years ago)

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(#M40165166) TCS QUESTION Technical MCQ Keep an EYE

If a function is defined as static, it means
1. The value returned by the function does not change
2. all the variable declared inside the function automatically will be assigned
initial value of zero
3. It should be called only within the same source code / program file.
4. None of the other choices as it is wrong to add static prefix to a function

Asked In TCS Ashish (7 years ago)

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(#M40165165) TCS QUESTION Technical MCQ Keep an EYE

Which of the above are correct statements?
1. 2,3
2. 1,2
3. 1,2,3
4. 1,2,3,4

Asked In TCS Ashish (7 years ago)

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(#M40165164) TCS QUESTION Technical MCQ Keep an EYE

Given the below statements about C programming language:
1) main() function should always be the first function present in a C program file
2) all the elements of an union share their memory location
3) A void pointer can hold address of any type and can be typcasted to any type
4) A static variable hold random junk value if it is not initialised

Asked In TCS Ashish (7 years ago)

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(#M40165163) TCS QUESTION Technical MCQ Keep an EYE

What is the output of this C code?
#include
void main()
{
int k = 5;
int *p = &k;
int **m = &p;
printf("%d%d%dn", k, *p, **p);
}
a) 5 5 5
b) 5 5 junk
c) 5 junk junk
d) Compile time error

Asked In TCS Ashish (7 years ago)

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(#M40165162) TCS QUESTION Technical MCQ Keep an EYE

What should the program below print?
#include
#include
#include
void myfunc(char** param){
++param;
}
int main(){
char* string = (char*)malloc(64);
strcpy(string, "hello_World");
myfunc(&string);
myfunc(&string);
printf("%sn", string);
// ignore memory leak for sake of quiz
return 0;
}
1. hello_World
2. ello_World
3. lo_World
4. llo_World

Asked In TCS Ashish (7 years ago)

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(#M40165161) TCS QUESTION Technical MCQ Keep an EYE

All keywords in C are in
1. Uppercase letters
2. None of these
3. Lowercase letters
4. Camel Case letters

Asked In TCS Ashish (7 years ago)

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(#M40165160) TCS QUESTION Technical MCQ Keep an EYE

Which of the following special symbol allowed in a variable name?
1. (underscore)
2. - (hyphen)
3. | (pipeline)
4. * (asterisk)

Asked In TCS Ashish (7 years ago)

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(#M40165159) TCS QUESTION Technical MCQ Keep an EYE

int **ptr; is?
1. Pointer to integer
2. None of these
3. Pointer to pointer
4. Invalid declaration

Asked In TCS Ashish (7 years ago)

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