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Conditional Expressions C Questions And Answers

Here you can find Conditional Expressions C Questions and Answers.

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Conditional Expressions C Questions & Answers

1. What is the output of this C code? int main() { int x = 2, y = 0; int z = (y++) ? y == 1 && x : 0; printf("%d\n", z); return 0; }

Conditional Expressions C Questions & Answers

2. What is the output of this C code? int main() { int x = 1; int y = x == 1 ? getchar(): 2; printf("%d\n", y); }

Conditional Expressions C Questions & Answers

3. What is the output of this C code? int main() { int x = 1; short int i = 2; float f = 3; if (sizeof((x == 2) ? f : i) == sizeof(float)) printf("float\n"); else if (sizeof((x == 2) ? f : i) == sizeof(short int)) printf("short int\n"); }

Conditional Expressions C Questions & Answers

4. What is the output of this C code? int main() { int a = 2; int b = 0; int y = (b == 0) ? a :(a > b) ? (b = 1): a; printf("%d\n", y); }

Conditional Expressions C Questions & Answers

5. What is the output of this C code? int main() { int y = 1, x = 0; int l = (y++, x++) ? y : x; printf("%d\n", l); }

Conditional Expressions C Questions & Answers

6. What is the output of this C code? void main() { int k = 8; int m = 7; int z = k < m ? k++ : m++; printf("%d", z); }

Conditional Expressions C Questions & Answers

7. Comment on the output of this C code? void main() { int k = 8; int m = 7; int z = k < m ? k = m : m++; printf("%d", z); }

Conditional Expressions C Questions & Answers

8. The code snippet below produces void main() { 1 < 2 ? return 1 : return 2; }

Conditional Expressions C Questions & Answers

9. The output of the code below is void main() { int k = 8; int m = 7; k < m ? k++ : m = k; printf("%d", k); }

Conditional Expressions C Questions & Answers

10. The output of the code below is void main() { int k = 8; int m = 7; k < m ? k = k + 1 : m = m + 1; printf("%d", k); }

Home EngineeringComputer Science & EngineeringC Multiple Choice Questions & AnswersConditional Expressions

Conditional Expressions - C Multiple Choice Questions and Answers

This is the c programming questions and answers section on "Expressions" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.

Conditional Expressions C Questions

Online Test Name Conditional Expressions
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 15
1. What is the output of this C code?

int main()
{
int x = 2, y = 0;
int z = (y++) ? y == 1 && x : 0;
printf("%d\n", z);
return 0;
}
  • A. 0
  • B. 1
  • C. Undefined behavior
  • D. Compile time error
  • View Answer
  • Workspace
  • Report
  • Discuss

Answer & Explanation

Answer: Option A

Explanation:

None.

Workspace

Report Error


2. What is the output of this C code?

int main()
{
int x = 1;
int y = x == 1 ? getchar(): 2;
printf("%d\n", y);
}
  • A. Compile time error
  • B. Whatever character getchar function returns
  • C. Ascii value of character getchar function returns
  • D. 2
  • View Answer
  • Workspace
  • Report
  • Discuss

Answer & Explanation

Answer: Option C

Explanation:

None.

Workspace

Report Error


3. What is the output of this C code?

int main()
{
int x = 1;
short int i = 2;
float f = 3;
if (sizeof((x == 2) ? f : i) == sizeof(float))
printf("float\n");
else if (sizeof((x == 2) ? f : i) == sizeof(short int))
printf("short int\n");
}
  • A. float
  • B. short int
  • C. Undefined behaviour
  • D. Compile time error
  • View Answer
  • Workspace
  • Report
  • Discuss

Answer & Explanation

Answer: Option A

Explanation:

None.

Workspace

Report Error


4. What is the output of this C code?

int main()
{
int a = 2;
int b = 0;
int y = (b == 0) ? a :(a > b) ? (b = 1): a;
printf("%d\n", y);
}
  • A. Compile time error
  • B. 1
  • C. 2
  • D. Undefined behaviour
  • View Answer
  • Workspace
  • Report
  • Discuss

Answer & Explanation

Answer: Option C

Explanation:

None.

Workspace

Report Error


5. What is the output of this C code?

int main()
{
int y = 1, x = 0;
int l = (y++, x++) ? y : x;
printf("%d\n", l);
}
  • A. 1
  • B. 2
  • C. Compile time error
  • D. Undefined behaviour
  • View Answer
  • Workspace
  • Report
  • Discuss

Answer & Explanation

Answer: Option A

Explanation:

None.

Workspace

Report Error


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  • Control Flow Statements
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