C Quiz

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Difference between const int*, const int * const, and int const *

Last Updated: 21 February 2023

int const*int const* is pointer to constant integer This means that the variable being declared is a pointer, pointing to a constant integer...read more

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Compiling a C Program: Behind the Scenes

Last Updated: 07 April 2025

The compilation is the process of converting the source code of the C language into machine code. As C is a mid-level language, it needs a c...read more

C | File Handling | Question 1

Last Updated: 28 June 2021

Which of the following true about FILE *fp(A) FILE is a keyword in C for representing files and fp is a variable of FILE type.(B) FILE is a ...read more

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C | Dynamic Memory Allocation | Question 7

Last Updated: 28 June 2021

What is the problem with following code?[sourcecode language="C"]#includestdio.hint main(){ int *p = (int *)malloc(sizeof(int)); p = N ...read more

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Dynamic Memory Allocation

C | Arrays | Question 7

Last Updated: 03 August 2018

Consider the following declaration of a ‘two-dimensional array in C:[sourcecode language="C"] char a[100][100]; [/sourcecode]Assuming that ...read more

C | Misc | Question 7

Last Updated: 01 September 2021

The number of tokens in the following C statement isprintf("HELLO WORLD");(A)3(B)5(C)9(D)8 Answer: (B)Explanation:In a C source program, th ...read more

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C-Misc

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C | Storage Classes and Type Qualifiers | Question 1

Last Updated: 28 June 2021

Which of the following is not a storage class specifier in C?(A)auto(B)register(C)static(D)extern(E)volatile Answer: (E)Explanation:volatil ...read more

C Language

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C-Storage Classes and Type Qualifiers

Storage Classes and Type Qualifiers

C | Loops & Control Structure | Question 8

Last Updated: 01 June 2021

[sourcecode language="C"]#includestdio.hint main(){ int n; for (n = 9; n!=0; n--) printf(n = %d, n--); return 0;}[/sourcecode]What ...read more

C Quiz

C-Loops & Control Structure

Loops & Control Structure

C | Advanced Pointer | Question 1

Last Updated: 28 June 2021

[tabby title="C"][sourcecode language="c"]void fun(int *p) { int q = 10; p = } int main() { int r = 20; int *p = fun(p); ...read more

C | Pointer Basics | Question 1

Last Updated: 04 February 2013

What is the output of following program?[sourcecode language="C"]# include stdio.hvoid fun(int x){ x = 30;}int main(){ int y = 20; fun( ...read more

C | Structure & Union | Question 4

Last Updated: 28 June 2021

Consider the following C declaration[tabby title="C"][sourcecode language="c"]struct { short s[5]; union { float y; ...read more

C | Loops & Control Structure | Question 1

Last Updated: 09 January 2013

[sourcecode language="C"]#include stdio.hint main(){ int i = 1024; for (; i; i = 1) printf(GeeksQuiz); return 0;}[/sourcecod ...read more

C Language

C Quiz

C-Loops & Control Structure

Loops & Control Structure

C | Operators | Question 2

Last Updated: 28 June 2021

#include stdio.hint main(){ int i = 1, 2, 3; printf("%d", i); return 0;}(A) 1(B) 3(C) Garbage value(D) Comp ...read more

C | Operators | Question 1

Last Updated: 08 May 2017

#include \"stdio.h\"int main() { int x, y = 5, z = 5; x = y == z; printf(\"%d\", x); getchar(); return 0; }(A)0(B)1(C)5(D)Compil ...read more

C Quiz

C | Input and Output | Question 13

Last Updated: 28 June 2021

Predict the output of following program?[sourcecode language="C"]#include stdio.hint main(){ char arr[100]; printf(%d, scanf(%s, arr)) ...read more

C Language

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C-Input and Output Quiz

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