Jamia Millia Islamia C Programming Language Previous Year Questions (PYQs) – Page 4 of 5
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Showing 49 questions
What will be output of following statements?
int i = 1, j;
j = --i - 2;
printf("%d", j);
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Solution
i = 1 → --i = 0 → j = 0 - 2 = -2
What is the output of following C Program?
#include <stdio.h>
int main()
{
char grade[] = {'A','B','C'};
printf("GRADE=%c, ", *grade);
printf("GRADE=%d", grade);
return 0;
}
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Solution
*grade = 'A', grade = base address of array
Output: GRADE=A, GRADE=some address of array
Which one is not a reserve keyword in C Language?
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Solution
main (function name, not a keyword).
What is the output of following C program:
int main(){
int a[3]={10,12,14};
a[1]=20; int i=0;
while(i<3){ printf("%d ", a[i]); i++; }
return 0;
}
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Solution
main (function name, not a keyword).
Prototype of a function means ____
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Solution
(interpreting “contains 1” as **exactly one** ‘1’, repetitions allowed):**
Case-1: ‘1’ in the thousand’s place → remaining $3$ places from $\{0,\dots,7\}\setminus\{1\}$ with repetition:
$7^3=343$ ways.
Case-2: ‘1’ in any one of the last three places ($3$ choices). Thousand’s place from $\{2,\dots,7\}$ ($6$ ways). Remaining two places from $\{0,\dots,7\}\setminus\{1\}$ with repetition: $7^2=49$ ways.
Total $=343+3\cdot6\cdot49=343+882
Far pointer can access ____
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Solution
(interpreting “contains 1” as **exactly one** ‘1’, repetitions allowed):**
Case-1: ‘1’ in the thousand’s place → remaining $3$ places from $\{0,\dots,7\}\setminus\{1\}$ with repetition:
$7^3=343$ ways.
Case-2: ‘1’ in any one of the last three places ($3$ choices). Thousand’s place from $\{2,\dots,7\}$ ($6$ ways). Remaining two places from $\{0,\dots,7\}\setminus\{1\}$ with repetition: $7^2=49$ ways.
Total $=343+3\cdot6\cdot49=343+882
A pointer that is pointing to NOTHING is called ____
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Solution
Null pointer
What is the similarity between a structure, union and enumeration?
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Solution
All of them let you define new data types
How will you free the allocated memory?
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Solution
All of them let you define new data types
In C programming, which operator has the highest precedence?
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Solution
Operator precedence in C:
() > *, / > +, -
Parentheses have the highest precedence.
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