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PRF 192 – FE (3) Exam Questions and answer. 100% Accurate. Verified.
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PRF 192 – FE (3) Exam Questions and answer. 100% Accurate. Verified. What is the output? int i = 1; while(i<=10) if(i%2==1) printf("%d",i++); else printf("%d",i--); A. compile error B. 1 2 1 2 ... (infinite loop) C. 1 2 4 6 8 10 D. 1 E. 1 3 5 7 9 - B. 1 2 1 2 ... (infinite l...

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  • August 12, 2023
  • 18
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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PRF 192 – FE (3) Exam Questions and
answer. 100% Accurate. Verified.

What is the output?



int i = 1;

while(i<=10)

if(i%2==1)

printf("%d",i++);

else

printf("%d",i--);

A. compile error

B. 1 2 1 2 ... (infinite loop)

C. 1 2 4 6 8 10

D. 1

E. 1 3 5 7 9 - ✔✔B. 1 2 1 2 ... (infinite loop)



Which is the correct order when listing the following languages from the lowest to the highest level?

A. C, Assembly, C++, MATLAB

B. Assembly, C, C++, MATLAB

C. Assembly, MATLAB, C, C++

D. C, C++, Assembly, MATLAB - ✔✔B. Assembly, C, C++, MATLAB



If an array has n elements, the largest subscript is_______ .

A. n-2

B. n-1

C. n

,D. n+1 - ✔✔B. n-1



What is the maximum value of an unsigned char?

A. 128

B. 127

C. 255

D. 256 - ✔✔C. 255



What is the correct definition of an array?

A. An array is the collection of different data types located next to each other in the memory.

B. An array is a collection of the same data type spread throughout the memory.

C. An array is the collection of the same data type located next to each other in the memory.

D. An array is the collection of different data types spread throughout the memory. - ✔✔C. An array is
the collection of the same data type located next to each other in the memory.



What is the output?



void foo(int x, int*y) {

x = x*x;

*y = *y**y;

}

int main() {

int x = -5, y = -2

foo(x,y);

printf("%d %d", x, y);

return 0; }

A. -5 4

B. -5 -4

C. -5 -2

, D. 25 4

E. 5 4 - ✔✔A. -5 4



Give the declaration

int ref[] = {1, 2, 4};



What is the value of *(ref+1)?

A. 1

B. 4

C. 2

D. None of the above - ✔✔C. 2



What is the output?



#include<stdio.h>

#include<string.h>



void main() {

char str[50];

strcpy(str,"Hello World");

*(str+7) = '\0';

printf("%s", str);

}



A. Error

B. Hello World

C. Hello W

D. Other

E. Hello \0rld

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