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- Operators in C
- C - Operators
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- C - Unary Operators
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- C - Bitwise Operators
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- C - sizeof Operator
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- Decision Making & Control Statements
- C - Decision Making
- C - if Statement
- C - if...else Statement
- C - if...else if Ladder
- C - Nested if Statements
- C - Switch Statement
- C - Nested Switch Statements
- C - Switch Case Using Range
- Loops in C
- C - Loops
- C - For Loop
- C - While Loop
- C - Do...while Loop
- C - For Loop vs While Loop
- C - Nested Loop
- C - Infinite Loop
- C - Break Statement
- C - Continue Statement
- C - Goto Statement
- Functions in C
- C - Functions
- C - Function Prototype
- C - Main Function
- C - Function call by Value
- C - Function call by reference
- C - Nested Functions
- C - Variadic Functions
- C - User-Defined Functions
- C - Callback Function
- C - Return Statement
- C - Recursion
- C - Predefined Identifier __func__
- Scope Rules in C
- C - Scope Rules
- C - Static Variables
- C - Global Variables
- Arrays in C
- C - Arrays
- C - Properties of Array
- C - Multi-Dimensional Arrays
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- C - Variable Length Arrays
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- Strings in C
- C - Strings
- C - Array of Strings
- C - Character Arrays
- C - Special Characters
- Pointers in C
- C - Pointers
- C - Initialization of Pointer Arrays
- C - Applications of Pointers
- C - Dereference Pointer
- C - NULL Pointer
- C - void Pointer
- C - Const Pointers & Pointer to Const
- C - Dangling Pointers
- C - Pointer Arithmetics
- C - Pointers and Arrays
- C - Pointer vs Array
- C - Pointer to an Array
- C - Array of Pointers
- C - Pointers vs. Multi-dimensional Arrays
- C - Pointer to Pointer
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- C - Near, Far and Huge Pointers
- C - Restrict Keyword
- User-Defined Data Types
- C - Structures
- C - Structures and Functions
- C - Arrays of Structures
- C - Self-Referential Structures
- C - Dot (.) Operator
- C - Lookup Tables
- C - Enumeration (or enum)
- C - Structure Padding and Packing
- C - Nested Structures
- C - Anonymous Structure and Union
- C - Unions
- C - Bit Fields
- C - Typedef
- C - Flexible Array Members in Structures
- C - Structures vs Unions
- Memory Management in C
- C - Memory Layout
- C - Memory Management
- C - Memory Address
- C - Storage Classes
- C - Dynamic Array Resizing
- C - Memory Leaks
- File Handling in C
- C - File Handling
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- C - getc, getchar, getch, getche
- Preprocessors in C
- C - Preprocessors
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- Miscellaneous Topics
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C Programming - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to C Programming Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - What is the output of the following code snippet?
#include<stdio.h>
main()
{
int *p = 15;
printf("%d",*p);
}
Answer : C
Explanation
Runtime error, as the pointer variable is not holding proper address, writing/reading the data from the same raises runtime error.
Q 2 - What is the output of the following program?
#include<stdio.h>
main()
{
int x = 1;
do
printf("%d ", x);
while(x++<=1);
}
Answer : B
Explanation
1 2, do..while is an entry control loop. As the expression x++ is post form loop continues for 2nd time also.
Q 3 - What is the output of the following program?
#include<stdio.h>
main()
{
int a[3] = {2,1};
printf("%d", a[a[1]]);
}
Answer : B
Explanation
1, The inner indirection evaluates to 1, and the value at index 1 for outer indirection is 1.
Q 4 - What is the output of the following program?
#include<stdio.h>
main()
{
char *p = NULL;
printf("%c", *p);
}
Answer : D
Explanation
It is invalid to access the NULL address hence giving run time error.
Answer : C
Explanation
Bis a programming language developed atBell Labsin 1969. It is derived from BCPL (Basic Combined Programming Language). It is designed byKen ThompsonwithDennis Ritchie.
Q 6 - Where to place f with a double constant 3.14 to specify it as afloat?
Answer : C
Explanation
A floating-point constant without anf,F,l, orLsuffix has typedouble. If the letterforFis the suffix, the constant has typefloat. If suffixed by the letterlorL, it has typelong double.
Q 7 - For a structure, if a variable behave as a pointer then from the given below operators which operator can be used to access data of the structure via the variable pointer?
Answer : C
Explanation
For a structure, Dot(.) operator can be used to access the data using normal structure variable and arrow (->)can be used to access the data using pointer variable.
Q 8 - Which library function can convert an unsigned long to astring?
Answer : B
Explanation
ultoa() - Convert an unsigned long integer into a string.
Q 9 - Which of the following statement shows the correct implementation of nested conditional operation by finding greatest number out of three numbers?
Answer : A
Explanation
Syntax is exp1?exp2:exp3. Any exp can be a valid expression.
Q 10 - In the given below code, what will be the value of a variable x?
#include<stdio.h>
int main()
{
int y = 100;
const int x = y;
printf("%d\n", x);
return 0;
}
Answer : A
Explanation
Although, integer y = 100; and constant integer x is equal to y. here in the given above program we have to print the x value, so that it will be 100.