C Programming Questions and Answers – Switch Statements – 1

«
»

This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Switch Statements – 1”.

Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial.

advertisement

1. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

  1.     #include <stdio.h>
  2.     void main()
  3.     {
  4.         double ch;
  5.         printf("enter a value between 1 to 2:");
  6.         scanf("%lf", &ch);
  7.         switch (ch)
  8.         {
  9.            case 1:
  10.               printf("1");
  11.               break;
  12.            case 2:
  13.               printf("2");
  14.               break;
  15.         }
  16.     }

a) Compile time error
b) 1
c) 2
d) Varies
View Answer

Answer: a
Explanation: None.
Note: Join free Sanfoundry classes at Telegram or Youtube
advertisement
advertisement

2. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

Take C Programming Practice Tests - Chapterwise!
Start the Test Now: Chapter 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
advertisement
  1.     #include <stdio.h>
  2.     void main()
  3.     {
  4.         char *ch;
  5.         printf("enter a value between 1 to 3:");
  6.         scanf("%s", ch);
  7.         switch (ch)
  8.         {
  9.            case "1":
  10.               printf("1");
  11.               break;
  12.            case "2":
  13.               printf("2");
  14.               break;
  15.         }
  16.     }

a) 1
b) Compile time error
c) 2
d) Run time error
View Answer

Answer: b
Explanation: None.
advertisement

3. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

  1.     #include <stdio.h>
  2.     void main()
  3.     {
  4.         int ch;
  5.         printf("enter a value between 1 to 2:");
  6.         scanf("%d", &ch);
  7.         switch (ch)
  8.         {
  9.            case 1:
  10.               printf("1\n");
  11.            default:
  12.               printf("2\n");
  13.         }
  14.     }

a) 1
b) 2
c) 1 2
d) Run time error
View Answer

Answer: c
Explanation: None.
advertisement

4. What will be the output of the following C code? (Assuming that we have entered the value 2 in the standard input)

  1.     #include <stdio.h>
  2.     void main()
  3.     {
  4.         int ch;
  5.         printf("enter a value between 1 to 2:");
  6.         scanf("%d", &ch);
  7.         switch (ch)
  8.         {
  9.            case 1:
  10.               printf("1\n");
  11.               break;
  12.               printf("hi");
  13.            default:
  14.               printf("2\n");
  15.         }
  16.     }

a) 1
b) hi 2
c) Run time error
d) 2
View Answer

Answer: d
Explanation: None.

5. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

  1.     #include <stdio.h>
  2.     void main()
  3.     {
  4.         int ch;
  5.         printf("enter a value between 1 to 2:");
  6.         scanf("%d", &ch);
  7.         switch (ch, ch + 1)
  8.         {
  9.            case 1:
  10.               printf("1\n");
  11.               break;
  12.            case 2:
  13.               printf("2");
  14.               break;
  15.         }
  16.     }

a) 1
b) 2
c) 3
d) Run time error
View Answer

Answer: b
Explanation: None.

6. What will be the output of the following C code?

  1.     #include <stdio.h>
  2.     int main()
  3.     {
  4.         int a = 1, b = 1;
  5.         switch (a)
  6.         {
  7.            case a*b:
  8.               printf("yes ");
  9.            case a-b:
  10.               printf("no\n");
  11.               break;
  12.         }
  13.     }

a) yes
b) no
c) Compile time error
d) yes no
View Answer

Answer: c
Explanation: None.

7. What will be the output of the following C code?

  1.     #include <stdio.h>
  2.     int main()
  3.     {
  4.         int x = 97;
  5.         switch (x)
  6.         {
  7.            case 'a':
  8.               printf("yes ");
  9.               break;
  10.            case 97:
  11.               printf("no\n");
  12.               break;
  13.         }
  14.     }

a) yes
b) yes no
c) Duplicate case value error
d) Character case value error
View Answer

Answer: c
Explanation: None.

8. What will be the output of the following C code?

  1.     #include <stdio.h>
  2.     int main()
  3.     {
  4.         float f = 1;
  5.         switch (f)
  6.         {
  7.            case 1.0:
  8.               printf("yes\n");
  9.               break;
  10.            default:
  11.               printf("default\n");
  12.         }
  13.     }

a) yes
b) yes default
c) Undefined behaviour
d) Compile time error
View Answer

Answer: d
Explanation: None.

Sanfoundry Global Education & Learning Series – C Programming Language.

To practice all areas of C language, here is complete set of 1000+ Multiple Choice Questions and Answers.

advertisement
advertisement

Leave a Comment

Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

Subscribe to his free Masterclasses at Youtube & technical discussions at Telegram SanfoundryClasses.