C Programming Questions and Answers – Basics of Structures – 1

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

Pre-requisite for C Structure MCQ set: C Video Tutorial on Structures.

1. Which of the following are themselves a collection of different data types?
a) string
b) structures
c) char
d) all of the mentioned
View Answer

Answer: b
Explanation: None.

2. User-defined data type can be derived by___________
a) struct
b) enum
c) typedef
d) all of the mentioned
View Answer

Answer: d
Explanation: None.
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3. Which operator connects the structure name to its member name?
a) –
b) <-
c) .
d) Both <- and .
View Answer

Answer: c
Explanation: None.

4. Which of the following cannot be a structure member?
a) Another structure
b) Function
c) Array
d) None of the mentioned
View Answer

Answer: b
Explanation: None.
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5. Which of the following structure declaration will throw an error?
a)

   struct temp{}s;
   main(){}

b)

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   struct temp{};
   struct temp s;
   main(){}

c)

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   struct temp s;
   struct temp{};
   main(){}

d) None of the mentioned
View Answer

Answer: d
Explanation: None.

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

  1.     #include <stdio.h>
  2.     struct student
  3.     {
  4.         int no;
  5.         char name[20];
  6.     }
  7.     void main()
  8.     {
  9.         struct student s;
  10.         s.no = 8;
  11.         printf("hello");
  12.     }

a) Compile time error
b) Nothing
c) hello
d) Varies
View Answer

Answer: a
Explanation: None.

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

  1.     #include <stdio.h>
  2.     struct student
  3.     {
  4.         int no = 5;
  5.         char name[20];
  6.     };
  7.     void main()
  8.     {
  9.         struct student s;
  10.         s.no = 8;
  11.         printf("hello");
  12.     }

a) Nothing
b) Compile time error
c) hello
d) Varies
View Answer

Answer: b
Explanation: None.

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

  1.     #include <stdio.h>
  2.     struct student
  3.     {
  4.         int no;
  5.         char name[20];
  6.     };
  7.     void main()
  8.     {
  9.         student s;
  10.         s.no = 8;
  11.         printf("hello");
  12.     }

a) Nothing
b) hello
c) Compile time error
d) Varies
View Answer

Answer: c
Explanation: None.

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

  1.     #include <stdio.h>
  2.     void main()
  3.     {
  4.         struct student
  5.         {
  6.             int no;
  7.             char name[20];
  8.         };
  9.         struct student s;
  10.         s.no = 8;
  11.         printf("%d", s.no);
  12.     }

a) Nothing
b) Compile time error
c) Junk
d) 8
View Answer

Answer: d
Explanation: None.

10. Can the following C code be compiled successfully?

  1.     #include <stdio.h>
  2.     struct p
  3.     {
  4.         int k;
  5.         char c;
  6.         float f;
  7.     };
  8.     int main()
  9.     {
  10.         struct p x = {.c = 97, .f = 3, .k = 1};
  11.         printf("%f\n", x.f);
  12.     }

a) Yes
b) No
c) Depends on the standard
d) Depends on the platform
View Answer

Answer: c
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.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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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.

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