What are decision making statements in C programming?

Decision making statements in C programming are used to execute different code blocks based on certain conditions. The primary decision-making statements are `if`, `else`, `else if`, `switch`, and conditional operators. These statements help control the flow of the program based on logical conditions. For more practice MCQs on decision making in C, visit GK Aim.

How does the `if` statement work in C?

The `if` statement in C executes a block of code if a specified condition evaluates to true. If the condition is false, the code block is skipped. This allows for conditional execution of code. For detailed practice questions and explanations, GK Aim provides a comprehensive set of MCQs on this topic.

How does the `else if` statement enhance decision making in C?

The `else if` statement in C allows for multiple conditions to be tested sequentially. If the `if` condition is false, the program checks the `else if` conditions in order. This enables more complex decision-making by allowing for multiple possible conditions. GK Aim offers a variety of MCQs to help you master `else if` statements.

What is a `switch` statement and how is it used in C?

The `switch` statement in C is used to execute one block of code among many possible options based on the value of an expression. It provides a cleaner alternative to multiple `if-else` statements when dealing with numerous conditions. For more practice MCQs on `switch` statements, visit GK Aim.

How does the `switch` statement handle different cases?

The `switch` statement handles different cases by evaluating the expression and executing the code block associated with the matching case label. Each case label represents a possible value for the expression. The `default` case can be used to handle values not covered by other cases. GK Aim provides MCQs to test your understanding of the `switch` statement.

What role do conditional operators play in decision making in C?

Conditional operators, such as the ternary operator `?:`, allow for compact decision making in C. The ternary operator evaluates a condition and returns one of two values based on whether the condition is true or false. This operator provides a shorthand for simple `if-else` statements. For additional MCQs on conditional operators, GK Aim is a great resource.

How do you use nested `if` statements in C?

Nested `if` statements in C involve placing one `if` statement inside another. This allows for more complex decision-making by evaluating multiple conditions in a hierarchical manner. Properly managing nested `if` statements can help in handling intricate logical conditions. Explore more related MCQs on GK Aim.

What is the difference between `if-else` and `switch` statements in C?

The `if-else` statement is ideal for handling conditions with ranges and complex expressions, while the `switch` statement is more suited for handling discrete values. `switch` statements offer a more readable structure when dealing with multiple specific cases. For more MCQs comparing these statements, check out GK Aim.

Can you explain the `default` case in a `switch` statement?

The `default` case in a `switch` statement serves as a fallback option when none of the specified case labels match the expression's value. It is optional but useful for handling unexpected or default scenarios. For further practice questions on `switch` statements, visit GK Aim.

What are logical operators and how are they used in decision making in C?

Logical operators, such as `&&` (AND), `||` (OR), and `!` (NOT), are used to combine multiple conditions in decision-making statements. They allow for more complex logical expressions within `if`, `else`, and `while` statements. GK Aim provides a range of MCQs to help you understand and practice logical operators.

How do you avoid common pitfalls when using decision-making statements in C?

Common pitfalls in decision-making statements include improper use of comparison operators, missing braces, and incorrect condition logic. Ensure that each condition is correctly specified and that braces `{}` are used to define code blocks. GK Aim offers MCQs and explanations to help you avoid these mistakes.

What is the role of comparison operators in `if` statements?

Comparison operators such as `==`, `!=`, `>`, ` =`, and `<=` are used within `if` statements to evaluate conditions. These operators compare values and return true or false, determining which block of code is executed. For more practice questions on comparison operators, visit GK Aim.

How can you use nested `switch` statements in C?

Nested `switch` statements involve placing one `switch` statement inside another. This approach is useful for handling multiple levels of decision-making. Each `switch` statement operates independently, but they work together to handle more complex decision structures. GK Aim provides MCQs to help you practice nested `switch` statements.

What are the advantages of using `switch` statements over multiple `if-else` statements?

`Switch` statements can offer more readable and organized code when dealing with multiple discrete values. They simplify the code structure compared to a long series of `if-else` statements, making it easier to manage and understand. GK Aim has a range of MCQs to help you understand the advantages of `switch` statements.

How do you handle multiple conditions in `if` statements?

Multiple conditions in `if` statements can be handled using logical operators such as `&&` (AND) and `||` (OR). These operators allow you to combine several conditions into a single `if` statement, making it possible to evaluate complex logical expressions. GK Aim offers MCQs to practice handling multiple conditions in `if` statements.

What is the purpose of using the ternary operator in C?

The ternary operator `?:` in C is used as a shorthand for simple `if-else` statements. It allows you to evaluate a condition and return one of two values based on the result. This operator provides a concise way to handle simple conditional assignments. For more practice questions, check GK Aim.

How does the `if-else` ladder work in C programming?

An `if-else` ladder in C programming involves a series of `if-else` statements used to test multiple conditions sequentially. If the condition of one `if` statement is false, the program evaluates the next `else if` condition until a true condition is found or all conditions are tested. GK Aim provides a range of MCQs to help you understand the `if-else` ladder.

Can you explain the use of `break` and `continue` statements in decision-making constructs?

`break` and `continue` statements alter the flow of control within loops and switch cases. `break` exits the loop or switch statement prematurely, while `continue` skips the current iteration and proceeds with the next one. Proper use of these statements can improve control flow in your program. GK Aim offers MCQs to practice these concepts.

What are some best practices for using decision-making statements in C?

Best practices for using decision-making statements in C include ensuring clear and logical condition expressions, avoiding deeply nested statements, and using braces `{}` to define code blocks explicitly. This helps in writing readable and maintainable code. For further practice, GK Aim provides a variety of MCQs on decision-making statements.

How do you handle unexpected conditions in decision-making statements?

Handling unexpected conditions in decision-making statements involves using the `default` case in `switch` statements or including additional `else` blocks in `if-else` statements. This ensures that all possible conditions are addressed, preventing unexpected behavior. GK Aim offers MCQs to help you practice handling such scenarios.

Decision Making MCQs - Part 1 » 🔍 Discover Your Potential

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1. Which of the following is the correct syntax for an if statement in C?

ⓐ. if (condition) { statements; }

ⓑ. if condition { statements; }

ⓒ. if (condition): { statements; }

ⓓ. if condition: statements;

2. What is the purpose of the else statement in C?

ⓐ. To execute code when the if condition is true

ⓑ. To execute code when the if condition is false

ⓒ. To execute code unconditionally

ⓓ. To terminate the program

3. Which of the following is a correct example of a nested if statement?

ⓐ. if (condition1) { if (condition2) { statements; } }

ⓑ. if (condition1) { { if (condition2) { statements; } } }

ⓒ. if condition1 ( { if (condition2) { statements; } } )

ⓓ. if (condition1) ( if (condition2) { statements; } )

4. What will be the output of the following code?


#include <stdio.h>
int x = 10;
if (x > 5) {
    printf("Greater than 5");
} else {
    printf("Less than or equal to 5");
}

ⓐ. Greater than 5

ⓑ. Less than or equal to 5

ⓒ. 10

ⓓ. Error

5. What does the following code do?


#include <stdio.h>
int a = 10, b = 20;
if (a > b) {
    printf("a is greater than b");
} else {
    printf("b is greater than or equal to a");
}

ⓐ. Prints “a is greater than b”

ⓑ. Prints “b is greater than or equal to a”

ⓒ. Prints “a is greater than or equal to b”

ⓓ. Prints “a is less than b”

6. Which logical operator is used to combine multiple conditions in an if statement?

ⓐ. &

ⓑ. &&

ⓒ. ||

ⓓ. !

7. What is the output of the following code snippet?


#include <stdio.h>
int x = 5, y = 10;
if (x < y && y > 5) {
    printf("Condition met");
} else {
    printf("Condition not met");
}

ⓐ. Condition met

ⓑ. Condition not met

ⓒ. Error

ⓓ. 5

8. What is the significance of the else if statement in C?

ⓐ. To provide an alternative condition if the initial if condition is true

ⓑ. To provide an alternative condition if the initial if condition is false

ⓒ. To execute a block of code regardless of the if condition

ⓓ. To terminate the program

9. Which of the following is correct about switch statements in C?

ⓐ. The switch statement can evaluate string conditions

ⓑ. The switch statement can only evaluate integer conditions

ⓒ. The switch statement can evaluate integer, character, and enumerated types

ⓓ. The switch statement can only evaluate character conditions

10. What will be the output of the following code?


#include <stdio.h>
int num = 2;
switch (num) {
    case 1:
        printf("One");
        break;
    case 2:
        printf("Two");
        break;
    default:
        printf("Default");
}

ⓐ. One

ⓑ. Two

ⓒ. Default

ⓓ. Error

11. Which keyword is used to execute a block of statements if none of the specified conditions in an if-else if ladder are true?

ⓐ. endif

ⓑ. else

ⓒ. default

ⓓ. switch

12. What will be the output of the following code snippet?


#include <stdio.h>
int x = 7;
if (x % 2 == 0) {
    printf("Even");
} else {
    printf("Odd");
}

ⓐ. Even

ⓑ. Odd

ⓒ. Error

ⓓ. 7

13. Which of the following correctly demonstrates an if statement checking for both conditions: x is greater than 0 and less than 10?

ⓐ. if (x > 0 and x < 10) { statements; }

ⓑ. if (x > 0 && x < 10) { statements; }

ⓒ. if (x > 0 || x < 10) { statements; }

ⓓ. if (x > 0 & x < 10) { statements; }

14. What will be the output of the following code?


#include <stdio.h>
int a = 5, b = 15;
if (a > 0) {
    if (b > 10) {
        printf("a is positive and b is greater than 10");
    } else {
        printf("a is positive but b is not greater than 10");
    }
} else {
    printf("a is not positive");
}

ⓐ. a is positive and b is greater than 10

ⓑ. a is positive but b is not greater than 10

ⓒ. a is not positive

ⓓ. Error

15. What is the output of the following code snippet?


#include <stdio.h>
int x = 3, y = 10;
if (x > 5) {
    printf("x is greater than 5");
} else if (y > 5) {
    printf("y is greater than 5");
} else {
    printf("Neither x nor y is greater than 5");
}

ⓐ. x is greater than 5

ⓑ. y is greater than 5

ⓒ. Neither x nor y is greater than 5

ⓓ. Error

16. Which of the following is an example of an if-else if statement?

ⓐ. if (condition1) { statements; } else if (condition2) { statements; }

ⓑ. if (condition1) { statements; } elseif (condition2) { statements; }

ⓒ. if (condition1) elseif (condition2) { statements; }

ⓓ. if (condition1) { statements; } else { if (condition2) { statements; } }

17. What will be the output of the following code?


#include <stdio.h>
int x = 5;
if (x == 5) {
    printf("Equal to 5");
} else if (x > 5) {
    printf("Greater than 5");
} else {
    printf("Less than 5");
}

ⓐ. Equal to 5

ⓑ. Greater than 5

ⓒ. Less than 5

ⓓ. Error

18. Which logical operator is used to execute a block of code if at least one of multiple conditions is true?

ⓐ. !

ⓑ. ||

ⓒ. &&

ⓓ. &

19. What will be the output of the following code?


#include <stdio.h>
int x = 5, y = 10;
if (x > y) {
    printf("x is greater than y");
} else if (x < y) {
    printf("x is less than y");
} else {
    printf("x is equal to y");
}

ⓐ. x is greater than y

ⓑ. x is less than y

ⓒ. x is equal to y

ⓓ. Error

20. In which scenario would the else block of an if-else statement be executed?

ⓐ. When the if condition is true

ⓑ. When the if condition is false

ⓒ. Always

ⓓ. Never

21. What is the output of the following code snippet?


#include <stdio.h>
int x = 10;
if (x > 5)
    printf("x is greater than 5");
    printf("This statement is always executed");
else
    printf("x is less than or equal to 5");

ⓐ. x is greater than 5

ⓑ. This statement is always executed

ⓒ. x is less than or equal to 5

ⓓ. Error

22. What will be the output of the following code?


#include <stdio.h>
int x = 15;
if (x > 10)
    if (x < 20)
        printf("x is between 10 and 20");
    else
        printf("x is greater than or equal to 20");
else
    printf("x is less than or equal to 10");

ⓐ. x is between 10 and 20

ⓑ. x is greater than or equal to 20

ⓒ. x is less than or equal to 10

ⓓ. Error

23. What is the primary advantage of using the ternary operator over if-else statements?

ⓐ. Ternary operator allows for more complex conditions

ⓑ. Ternary operator results in shorter, more concise code

ⓒ. Ternary operator provides better readability

ⓓ. Ternary operator can handle multiple conditions simultaneously

24. Which of the following is a correct usage of the ternary operator in C?

ⓐ. (x > 0) ? "Positive" : "Negative"

ⓑ. (x > 0) ? { printf("Positive"); } : { printf("Negative"); }

ⓒ. (x > 0) : "Positive" ? "Negative"

ⓓ. (x > 0) ? printf("Positive") : printf("Negative")

25. What will be the output of the following code?


#include <stdio.h>
int x = 5;
printf("%s", (x > 0) ? "Positive" : "Negative");

ⓐ. Positive

ⓑ. Negative

ⓒ. Error

ⓓ. 5

26. In the ternary operator expression "condition ? expression1 : expression2", what happens if the condition evaluates to false?

ⓐ. expression1 is executed

ⓑ. expression2 is executed

ⓒ. Both expression1 and expression2 are executed

ⓓ. An error occurs

27. What is the output of the following code snippet?


#include <stdio.h>
int x = 15, y = 10;
printf("%d", (x > y) ? x : y);

ⓐ. 15

ⓑ. 10

ⓒ. 25

ⓓ. Error

28. What will be the output of the following code?


#include <stdio.h>
int x = 10;
char* result = (x % 2 == 0) ? "Even" : "Odd";
printf("%s", result);

ⓐ. Even

ⓑ. Odd

ⓒ. Error

ⓓ. 10

29. What is the primary limitation of using the ternary operator compared to if-else statements?

ⓐ. Ternary operator cannot handle multiple conditions

ⓑ. Ternary operator results in less efficient code execution

ⓒ. Ternary operator can only evaluate boolean conditions

ⓓ. Ternary operator can lead to reduced code readability for complex conditions

30. Which of the following statements about the ternary operator in C is true?

ⓐ. It can only be used for assignments.

ⓑ. It can only be used with integers.

ⓒ. It evaluates the condition first and then executes one of the two expressions.

ⓓ. It can replace all if-else statements.

31. What is the output of the following code snippet?


#include <stdio.h>
int x = 10, y = 20;
if (x > 5) {
    if (y > 15) {
        printf("x is greater than 5 and y is greater than 15");
    } else {
        printf("x is greater than 5 but y is not greater than 15");
    }
} else {
    printf("x is not greater than 5");
}

ⓐ. x is greater than 5 and y is greater than 15

ⓑ. x is greater than 5 but y is not greater than 15

ⓒ. x is not greater than 5

ⓓ. Error

32. What will be the output of the following code?


#include <stdio.h>
int x = 15, y = 10;
if (x > 10)
    if (y > 5)
        printf("x is greater than 10 and y is greater than 5");
    else
        printf("x is greater than 10 but y is not greater than 5");
else
    printf("x is not greater than 10");

ⓐ. x is greater than 10 and y is greater than 5

ⓑ. x is greater than 10 but y is not greater than 5

ⓒ. x is not greater than 10

ⓓ. Error

33. What is the primary purpose of using nested if statements?

ⓐ. To simplify code by reducing the number of conditions

ⓑ. To handle complex decision-making scenarios with multiple conditions

ⓒ. To improve code efficiency

ⓓ. To eliminate the need for else statements

34. What is the output of the following code snippet?


#include <stdio.h>
int x = 10, y = 5;
if (x > 5)
    if (y > 10)
        printf("x is greater than 5 and y is greater than 10");
else
    printf("x is not greater than 5 or y is not greater than 10");

ⓐ. x is greater than 5 and y is greater than 10

ⓑ. x is not greater than 5 or y is not greater than 10

ⓒ. Error

ⓓ. No output

35. Which of the following is a correct way to format nested if-else statements to ensure proper execution?

ⓐ. Always use braces {} to enclose the nested statements

ⓑ. Use indentation to visually represent the nested structure

ⓒ. Both A and B

ⓓ. Neither A nor B

36. What will be the output of the following code?


#include <stdio.h>
int x = 10, y = 20;
if (x > 5) {
    if (y > 15)
        printf("x is greater than 5 and y is greater than 15");
} else {
    printf("x is not greater than 5");
}

ⓐ. x is greater than 5 and y is greater than 15

ⓑ. x is not greater than 5

ⓒ. Error

ⓓ. No output

37. When using nested if statements, what happens if the condition in an outer if statement is false?

ⓐ. The program terminates

ⓑ. The inner if statement is skipped

ⓒ. The else statement associated with the outer if statement is executed

ⓓ. The program encounters a syntax error

38. What is the primary disadvantage of using deeply nested if-else statements?

ⓐ. Reduced code efficiency

ⓑ. Increased complexity and decreased readability

ⓒ. Higher chances of syntax errors

ⓓ. Inability to handle multiple conditions

39. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5, y = 10;
if (x > 3)
    if (y > 5)
        printf("x is greater than 3 and y is greater than 5");
else
    printf("x is not greater than 3 or y is not greater than 5");

ⓐ. x is greater than 3 and y is greater than 5

ⓑ. x is not greater than 3 or y is not greater than 5

ⓒ. Error

ⓓ. No output

40. In nested if statements, what is the purpose of using indentation?

ⓐ. To reduce the number of lines in the code

ⓑ. To improve code aesthetics

ⓒ. To visually represent the hierarchical structure of the code

ⓓ. To eliminate the need for else statements

41. What is the primary purpose of using a switch statement in C?

ⓐ. To execute multiple conditions sequentially

ⓑ. To simplify nested if-else statements

ⓒ. To handle multiple cases based on the value of an expression

ⓓ. To replace the if-else statement completely

42. Which of the following data types is NOT suitable for use as an expression in a switch statement?

ⓐ. int

ⓑ. char

ⓒ. float

ⓓ. enum

43. What will be the output of the following code snippet?


#include <stdio.h>
int x = 2;
switch (x) {
    case 1:
        printf("One");
        break;
    case 2:
        printf("Two");
        break;
    default:
        printf("Default");
}

ⓐ. One

ⓑ. Two

ⓒ. Default

ⓓ. Error

44. In a switch statement, what is the purpose of the break keyword?

ⓐ. To terminate the entire program

ⓑ. To exit the current case and execute the next case

ⓒ. To skip the current case and execute the next case

ⓓ. To prevent the default case from executing

45. What is the output of the following code snippet?


#include <stdio.h>
int x = 3;
switch (x) {
    case 1:
        printf("One");
    case 2:
        printf("Two");
    case 3:
        printf("Three");
    default:
        printf("Default");
}

ⓐ. OneTwoThreeDefault

ⓑ. ThreeDefault

ⓒ. TwoThreeDefault

ⓓ. Default

46. Which statement is true regarding the default case in a switch statement?

ⓐ. It is mandatory to include a default case in every switch statement.

ⓑ. It is executed when none of the other cases match the value of the expression.

ⓒ. It should always be the first case listed in a switch statement.

ⓓ. It is optional and can be omitted if not needed.

47. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5;
switch (x) {
    case 1:
    case 2:
        printf("Two");
        break;
    case 3:
    case 4:
        printf("Four");
        break;
    default:
        printf("Other");
}

ⓐ. Two

ⓑ. Four

ⓒ. Other

ⓓ. Error

48. Which of the following statements about switch statements in C is true?

ⓐ. The expression within the switch statement can be of any data type.

ⓑ. A case label can be any constant expression, including floating-point values.

ⓒ. The break statement is required at the end of every case block.

ⓓ. The default case must always be the last case in the switch statement.

49. What is the purpose of the following code snippet?


#include <stdio.h>
switch (grade) {
    case 'A':
    case 'B':
    case 'C':
        printf("Pass");
        break;
    case 'D':
    case 'E':
    case 'F':
        printf("Fail");
        break;
    default:
        printf("Invalid grade");
}

ⓐ. It determines if the given grade is a passing grade.

ⓑ. It calculates the grade point average.

ⓒ. It converts a numerical grade to a letter grade.

ⓓ. It sorts grades into alphabetical order.

50. Which of the following statements about switch statements in C is false?

ⓐ. The default case is executed when none of the other cases match.

ⓑ. Multiple case labels can share the same code block.

ⓒ. The switch statement can only be used with integer expressions.

ⓓ. The break statement is used to exit the switch statement.

51. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5;
switch (x) {
    case 1:
        printf("One");
        break;
    case 2:
        printf("Two");
        break;
    case 3:
        printf("Three");
        break;
    default:
        printf("Default");
        break;
    case 4:
        printf("Four");
        break;
}

ⓐ. One

ⓑ. Default

ⓒ. Four

ⓓ. No output

52. In a switch statement, can a case label contain multiple values?

ⓐ. Yes, but only with integers.

ⓑ. Yes, with integers and characters only.

ⓒ. Yes, with integers, characters, and enums.

ⓓ. No, each case label must contain a single value.

53. What is the purpose of the following code snippet?


#include <stdio.h>
char grade = 'B';
switch (grade) {
    case 'A':
        printf("Excellent");
        break;
    case 'B':
        printf("Good");
        break;
    case 'C':
        printf("Average");
        break;
    default:
        printf("Fail");
}

ⓐ. It calculates the grade point average.

ⓑ. It determines if the given grade is a passing grade.

ⓒ. It sorts grades into alphabetical order.

ⓓ. It converts a numerical grade to a letter grade.

54. What will be the output of the following code snippet?


#include <stdio.h>
int x = 3;
switch (x) {
    case 1:
        printf("One");
        break;
    case 2:
        printf("Two");
        break;
    case 3:
        printf("Three");
        break;
}

ⓐ. One

ⓑ. Two

ⓒ. Three

ⓓ. No output

55. In a switch statement, what will happen if there is no break statement after a case block?

ⓐ. The program will continue executing the next case block.

ⓑ. The program will terminate.

ⓓ. The default case will be executed.

56. What will be the output of the following code snippet?


#include <stdio.h>
int x = 2;
switch (x) {
    case 1:
        printf("One");
        break;
    case 2:
        printf("Two");
    case 3:
        printf("Three");
        break;
}

ⓐ. One

ⓑ. Two

ⓒ. TwoThree

ⓓ. No output

57. Which of the following statements about switch statements in C is true?

ⓐ. The case labels must be in ascending order.

ⓑ. The expressions in case labels can only be constant integers.

ⓓ. The default case must be specified for every switch statement.

58. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5;
switch (x) {
    case 4:
        printf("Four");
        break;
    case 5:
        printf("Five");
    case 6:
        printf("Six");
        break;
}

ⓐ. Four

ⓑ. Five

ⓒ. FiveSix

ⓓ. Six

59. What happens if a case label's expression matches multiple case labels in a switch statement?

ⓐ. The program executes the first matching case block.

ⓑ. The program executes all matching case blocks.

ⓓ. The program executes the default case.

60. Which of the following statements about switch statements in C is false?

ⓐ. The break statement is used to exit the switch statement.

ⓑ. The default case can be placed anywhere within the switch statement.

ⓓ. The expressions in case labels cannot contain variables.

61. What is the purpose of the conditional operator (?:) in C?

ⓐ. To perform arithmetic operations

ⓑ. To define macros

ⓓ. To declare variables

62. Which of the following statements is true regarding the conditional operator in C?

ⓐ. It can only be used with boolean expressions.

ⓑ. It can only handle two conditions.

ⓓ. It requires braces to enclose the condition.

63. What will be the value of z after the following expression is evaluated?


#include <stdio.h>
int x = 10, y = 5;
int z = (x > y) ? x : y;

ⓐ. 5

ⓑ. 10

ⓒ. true

ⓓ. false

64. In the expression "condition ? value1 : value2", what happens if the condition evaluates to false?

ⓐ. value1 is assigned to the variable

ⓑ. value2 is assigned to the variable

ⓓ. The program terminates

65. What is the output of the following code snippet?


#include <stdio.h>
int x = 15, y = 20;
int z = (x > y) ? (x - y) : (y - x);
printf("%d", z);

ⓐ. 5

ⓑ. 15

ⓒ. 20

ⓓ. -5

66. Which of the following is a correct usage of the conditional operator?

ⓐ. int result = (x > 0) ? "Positive" : "Negative";

ⓑ. int result = (x > 0) ? 1 : 0;

ⓓ. int result = (x > 0) ? (x++) : (x--);

67. What will be the output of the following code snippet?


#include <stdio.h>
int x = 10, y = 5;
printf("%d", (x > y) ? x : y);

ⓐ. 10

ⓑ. 5

ⓒ. true

ⓓ. false

68. What is the output of the following code snippet?


#include <stdio.h>
int x = 5;
printf("%s", (x > 0) ? "Positive" : "Negative");

ⓐ. Positive

ⓑ. Negative

ⓒ. true

ⓓ. false

69. In the expression "condition ? value1 : value2", what happens if both value1 and value2 are functions?

ⓐ. Both functions are executed

ⓑ. Only value1 is executed

ⓓ. An error occurs

70. What will be the value of z after the following expression is evaluated?


#include <stdio.h>
int x = 10, y = 20;
int z = (x > y) ? x++ : y--;

ⓐ. 10

ⓑ. 20

ⓒ. 21

ⓓ. 19

71. What will be the output of the following code snippet?


#include <stdio.h>
int x = 10, y = 5;
int z = (x > y) ? (x *= 2, y *= 2) : (x /= 2, y /= 2);
printf("%d, %d", x, y);

ⓐ. 20, 10

ⓑ. 5, 2

ⓒ. 5, 5

ⓓ. 10, 5

72. Which of the following is a valid usage of the conditional operator?

ⓐ. (x > y) ? return x : return y;

ⓑ. (x > y) ? { printf("x is greater"); } : { printf("y is greater"); };

ⓓ. (x > y) ? (x + 1) : (y + 1);

73. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5, y = 10;
int z = (x > y) ? x : (y > x) ? (y *= 2, y) : (x *= 2, x);
printf("%d", z);

ⓐ. 5

ⓑ. 10

ⓒ. 20

ⓓ. 40

74. In the expression "condition ? value1 : value2", what happens if both value1 and value2 have side effects?

ⓐ. Both side effects are executed

ⓑ. Only value1's side effect is executed

ⓓ. An error occurs

75. What will be the output of the following code snippet?


#include <stdio.h>
int x = 10, y = 5;
int z = (x > y) ? (x++, y++) : (x--, y--);
printf("%d, %d", x, y);

ⓐ. 11, 6

ⓑ. 9, 4

ⓒ. 11, 5

ⓓ. 9, 5

76. What is the purpose of the following code snippet?


#include <stdio.h>
int x = 10, y = 5;
int z = (x > y) ? x : y;

ⓐ. It calculates the sum of x and y.

ⓑ. It determines the larger of the two numbers, x and y.

ⓓ. It calculates the difference between x and y.

77. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5, y = 10;
int z = (x < y) ? (x += 2, y += 2) : (x -= 2, y -= 2);
printf("%d, %d", x, y);

ⓐ. 7, 12

ⓑ. 3, 8

ⓒ. 7, 10

ⓓ. 5, 10

78. Which of the following is a correct usage of the conditional operator?

ⓐ. (x > y) ? { printf("x is greater"); } : { printf("y is greater"); };

ⓑ. (x > y) ? (x += 1) : (y -= 1);

ⓓ. (x > y) ? 1 : 0;

79. What will be the output of the following code snippet?


#include <stdio.h>
int x = 10, y = 5;
int z = (x > y) ? (y += 2, x += y) : (x -= 2, y += x);
printf("%d", z);

ⓐ. 17

ⓑ. 22

ⓒ. 15

ⓓ. 12

80. What will be the output of the following code snippet?


#include <stdio.h>
int x = 5, y = 10;
int z = (x > y) ? (x + 2, y - 2) : (x - 2, y + 2);
printf("%d, %d", x, y);

ⓐ. 5, 10

ⓑ. 7, 8

ⓒ. 3, 12

ⓓ. 7, 12

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