Control Flow (if else switch) – Multiple Choice Questions (MCQs)

1. 37. What will be the output of the following code? `int temp = 30; if (temp < 20) printf(\Cold\"); else if (temp > 25) printf(\""Warm\""); else printf(\""Moderate\"");`"""

   • A. Cold
   • B. Warm
   • C. Moderate
   • D. Error

2. 38. What will be the output of the following code? `int choice = 'B'; switch (choice) { case 'A': printf(\Apple\"); break; case 'B': printf(\""Banana\""); break; default: printf(\""Fruit?\""); }`"""

   • A. Apple
   • B. Banana
   • C. Fruit?
   • D. Error

3. 39. Can you use relational operators in the 'case' conditions of a 'switch' statement?

   • A. Yes
   • B. No
   • C. Only with constants
   • D. It depends on the compiler

4. 40. What is the purpose of the 'if' statement?

   • A. To define a loop
   • B. To declare variables
   • C. To execute a block of code conditionally
   • D. To define a function

5. 41. What is the purpose of the 'else' statement?

   • A. To execute a block of code if the 'if' condition is true
   • B. To terminate the program
   • C. To execute a block of code if the 'if' condition is false
   • D. To define a new case in a switch

6. 42. What is the purpose of the 'else if' statement?

   • A. To define the first condition
   • B. To define the last condition
   • C. To check multiple conditions in sequence
   • D. To define a default case

7. 43. What is the output of the following code? `int value = 1; if (value--) printf(\True\"); else printf(\""False\"");`"""

   • A. TRUE
   • B. FALSE
   • C. Error
   • D. 0

8. 44. What is the output of the following code? `int value = 0; if (value--) printf(\True\"); else printf(\""False\"");`"""

   • A. TRUE
   • B. FALSE
   • C. Error
   • D. -1

9. 45. What is the output of the following code? `int count = 5; if (++count > 5) printf(\Greater\"); else printf(\""Smaller\"");`"""

   • A. Greater
   • B. Smaller
   • C. Error
   • D. 6

10. 46. What is the output of the following code? `int count = 5; if (count++ > 5) printf(\Greater\"); else printf(\""Smaller\"");`"""

    • A. Greater
    • B. Smaller
    • C. Error
    • D. 6

11. 47. Can you use logical operators within the condition of an 'if' statement?

    • A. Yes
    • B. No
    • C. Only AND
    • D. Only OR

12. 48. Can you use assignment operators within the condition of an 'if' statement?

    • A. Yes
    • B. But it's generally not recommended
    • C. No
    • D. Only with integers