Function — Part 2 MCQs with Explanations

II and III is the correct answer to “Pick the correct statements. I. The body of a function should have only one return statement. II. The body of a function may have many return statements. III. A function can return only one value to the calling environment. IV. If return statement is omitted, then the function does its job but returns no value to the calling environment.”. This question is standard in competitive examination syllabi for Function.

int funct(int x) { return x=x+1; } is the correct answer to “Which of the following is a complete function”. This question is standard in competitive examination syllabi for Function.

File scope is the correct answer to “Functions have ..........”. This question is standard in competitive examination syllabi for Function.

pow(x, 2) is the correct answer to “Which of the following function calculates the square of 'x' in C”. This question is standard in competitive examination syllabi for Function.

Stack is the correct answer to “When a function is recursively called all the automatic variables are stored in a ..........”. This question is standard in competitive examination syllabi for Function.

kl is the correct answer to “What will be the output of the following C code? #include <stdio.h> #define foo(x, y) #x #y int main() { printf("%s\n", foo(k, l)); return 0; }”. This question is standard in competitive examination syllabi for Function.

5 is the correct answer to “What will be the output of the following C code? #include <stdio.h> double var = 8; int main() { int var = 5; printf("%d", var); }”. This question is standard in competitive examination syllabi for Function.

3 4 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int x = 5; void main() { int x = 3; printf("%d", x); { x = 4; } printf("%d", x); }”. This question is standard in competitive examination syllabi for Function.

Data segment is the correct answer to “Which part of the program address space is p stored in the following C code? #include <stdio.h> int *p = NULL; int main() { int i = 0; p = &i; return 0; }”. This question is standard in competitive examination syllabi for Function.

The user-defined library file will be selected is the correct answer to “What would happen if you create a file stdio.h and use #include "stdio.h"”. This question is standard in competitive examination syllabi for Function.

0 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int x; void main() { printf("%d", x); }”. This question is standard in competitive examination syllabi for Function.

Junk value is the correct answer to “Automatic variables are initialized to . . . . . . . .”. This question is standard in competitive examination syllabi for Function.

10 0 is the correct answer to “What will be the output of the following C code? #include <stdio.h> #define MIN 0 #if defined(MIN) + defined(MAX) #define MAX 10 #endif int main() { printf("%d %d\n", MAX, MIN); return 0; }”. This question is standard in competitive examination syllabi for Function.

true is the correct answer to “Functions can return enumeration constants in C”. This question is standard in competitive examination syllabi for Function.

-8 -4 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int foo(int, int); #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d ",foo(i + j, 3)); #undef foo printf("%d\n",foo(i + j, 3)); } int foo(int x, int y) { return x / y + x; }”. This question is standard in competitive examination syllabi for Function.

4 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int x; void main() { m(); printf("%d", x); } void m() { x = 4; }”. This question is standard in competitive examination syllabi for Function.

2 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int foo(); int main() { int i = foo(); } foo() { printf("2 "); return 2; }”. This question is standard in competitive examination syllabi for Function.

static static int a; //a static variable prefixed with static is the correct answer to “Which of following is not accepted in C”. This question is standard in competitive examination syllabi for Function.

Varies is the correct answer to “What will be the output of the following C code? #include <stdio.h> int *m(); void main() { int k = m(); printf("%d", k); } int *m() { int a[2] = {5, 8}; return a; }”. This question is standard in competitive examination syllabi for Function.

External is the correct answer to “Global variables are . . . . . . . .”. This question is standard in competitive examination syllabi for Function.

Within the block it appears & Within the blocks of the block it appears is the correct answer to “What is the scope of an automatic variable”. This question is standard in competitive examination syllabi for Function.

Compile time error is the correct answer to “What will be the output of the following C code having void return-type function? #include <stdio.h> void foo() { return 1; } void main() { int x = 0; x = foo(); printf("%d", x); }”. This question is standard in competitive examination syllabi for Function.

The preprocessor treats it as a user-defined file is the correct answer to “If the file name is enclosed in double quotation marks, then . . . . . . . .”. This question is standard in competitive examination syllabi for Function.

2 is the correct answer to “What will be the output of the following C code? #include <stdio.h> void foo(); int main() { void foo(); foo(); return 0; } void foo() { printf("2 "); }”. This question is standard in competitive examination syllabi for Function.

all of the mentioned is the correct answer to “Which of the following storage class supports char data type”. This question is standard in competitive examination syllabi for Function.

False is the correct answer to “register keyword mandates compiler to place it in machine register.”. This question is standard in competitive examination syllabi for Function.

WORLD is the correct answer to “What will be the output of the following C code? #include <stdio.h> #define SYSTEM 20 int main() { int a = 20; #if SYSTEM == a printf("HELLO "); #endif #if SYSTEM == 20 printf("WORLD\n"); #endif }”. This question is standard in competitive examination syllabi for Function.

False is the correct answer to “Functions have static qualifier for its declaration by default.”. This question is standard in competitive examination syllabi for Function.

No, C does not support it is the correct answer to “Can we use a function as a parameter of another function? [Eg: void wow(int func())].”. This question is standard in competitive examination syllabi for Function.

main is called twice is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { static int x; if (x++ < 2) main(); }”. This question is standard in competitive examination syllabi for Function.

False is the correct answer to “Assignment statements assigning value to local static variables are executed only once.”. This question is standard in competitive examination syllabi for Function.

Conditionally include source text if the previous #if, #ifdef, #ifndef, or #elif test fails is the correct answer to “The #else directive is used for . . . . . . . .”. This question is standard in competitive examination syllabi for Function.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> void foo(auto int i); int main() { foo(10); } void foo(auto int i) { printf("%d\n", i ); }”. This question is standard in competitive examination syllabi for Function.

All of the mentioned is the correct answer to “Conditional inclusion can be used for . . . . . . . .”. This question is standard in competitive examination syllabi for Function.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { { int x = 8; } printf("%d", x); }”. This question is standard in competitive examination syllabi for Function.

No errors, it will show the output 20 is the correct answer to “Comment on the output of the following C code. #include <stdio.h> #define var 20); int main() { printf("%d\n", var }”. This question is standard in competitive examination syllabi for Function.

a->b, b->a is the correct answer to “What will be the sequence of allocation and deletion of variables in the following C code? #include <stdio.h> int main() { int a; { int b; } }”. This question is standard in competitive examination syllabi for Function.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> enum m{JAN, FEB, MAR}; enum m foo(); int main() { enum m i = foo(); printf("%d\n", i); } int foo() { return JAN; }”. This question is standard in competitive examination syllabi for Function.

True is the correct answer to “C preprocessor is conceptually the first step during compilation.”. This question is standard in competitive examination syllabi for Function.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { register const int i = 10; i = 11; printf("%d\n", i); }”. This question is standard in competitive examination syllabi for Function.