Which of the following will occur if we call the free() function on a NULL pointer?

The program will execute normally.

Which of the following is not true about structs in C?

Functions are allowed inside structs.

Constructors are not allowed inside structs.

Cannot have static members in the struct body.

C Language Test 3

Authored by Divakar Bangaru

Computers

Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which of the following languages is function overloading not possible?

C++

Java

Python

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following function is used to open a file in C++?

fopen

fclose

fseek

fgets

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are correct file opening modes in C?

All of the above.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the return type of the fopen() function in C?

Pointer to a FILE object.

Pointer to an integer.

An integer.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    int ch = 2;
    switch(ch) {
        case 1: printf("1 ");
        case 2: printf("2 ");
        case 3: printf("3 ");
        default: printf("None");
    }
}
int main() {
    solve();
        return 0;
}

1 2 3 None

2 3 None

None

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    int x = 1, y = 2;
    printf(x > y ? "Greater" : x == y ? "Equal" : "Lesser");
}
int main() {
    solve();
        return 0;
}

Greater

Lesser

Equal

None of the above.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    int n = 24;
    int l = 0, r = 100, ans = n;
    while(l <= r) {
        int mid = (l + r) / 2;
        if(mid * mid <= n) {
            ans = mid;
            l = mid + 1;
        }
        else {
            r = mid - 1;
        }
    }
    printf("%d", ans);
}
int main() {
    solve();
        return 0;
}

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C Language Test 3

In which of the following languages is function overloading not possible?

Which of the following function is used to open a file in C++?

Which of the following are correct file opening modes in C?

What is the return type of the fopen() function in C?

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    int ch = 2;
    switch(ch) {
        case 1: printf("1 ");
        case 2: printf("2 ");
        case 3: printf("3 ");
        default: printf("None");
    }
}
int main() {
    solve();
        return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    int x = 1, y = 2;
    printf(x > y ? "Greater" : x == y ? "Equal" : "Lesser");
}
int main() {
    solve();
        return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    printf("%d ", 9 / 2);
    printf("%f", 9.0 / 2);
}
int main() {
    solve();
        return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
    int x = 2;
    printf("%d", (x << 1) + (x >> 1));
}
int main() {
    solve();
        return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
#define VAL 5
int getInput() {
    return VAL;
}
void solve() {
    const int x = getInput();
    printf("%d", x);
}
int main() {
    solve();
        return 0;
}

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C Language Test 3

In which of the following languages is function overloading not possible?

Which of the following function is used to open a file in C++?

Which of the following are correct file opening modes in C?

What is the return type of the fopen() function in C?

What will be the output of the following code snippet?#include <stdio.h>void solve() { int ch = 2; switch(ch) { case 1: printf("1 "); case 2: printf("2 "); case 3: printf("3 "); default: printf("None"); }}int main() { solve(); return 0;}

What will be the output of the following code snippet?#include <stdio.h>void solve() { int x = 1, y = 2; printf(x > y ? "Greater" : x == y ? "Equal" : "Lesser");}int main() { solve(); return 0;}

What will be the output of the following code snippet?#include <stdio.h>void solve() { int n = 24; int l = 0, r = 100, ans = n; while(l <= r) { int mid = (l + r) / 2; if(mid * mid <= n) { ans = mid; l = mid + 1; } else { r = mid - 1; } } printf("%d", ans);}int main() { solve(); return 0;}

What will be the output of the following code snippet?#include <stdio.h>void solve() { printf("%d ", 9 / 2); printf("%f", 9.0 / 2);}int main() { solve(); return 0;}

What will be the output of the following code snippet?#include <stdio.h>void solve() { int x = 2; printf("%d", (x << 1) + (x >> 1));}int main() { solve(); return 0;}

What will be the output of the following code snippet?#include <stdio.h>#define VAL 5int getInput() { return VAL;}void solve() { const int x = getInput(); printf("%d", x);}int main() { solve(); return 0;}

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What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
int ch = 2;
switch(ch) {
case 1: printf("1 ");
case 2: printf("2 ");
case 3: printf("3 ");
default: printf("None");
}
}
int main() {
solve();
return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
int x = 1, y = 2;
printf(x > y ? "Greater" : x == y ? "Equal" : "Lesser");
}
int main() {
solve();
return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
int n = 24;
int l = 0, r = 100, ans = n;
while(l <= r) {
int mid = (l + r) / 2;
if(mid * mid <= n) {
ans = mid;
l = mid + 1;
}
else {
r = mid - 1;
}
}
printf("%d", ans);
}
int main() {
solve();
return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
printf("%d ", 9 / 2);
printf("%f", 9.0 / 2);
}
int main() {
solve();
return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
void solve() {
int x = 2;
printf("%d", (x << 1) + (x >> 1));
}
int main() {
solve();
return 0;
}

What will be the output of the following code snippet?
#include <stdio.h>
#define VAL 5
int getInput() {
return VAL;
}
void solve() {
const int x = getInput();
printf("%d", x);
}
int main() {
solve();
return 0;
}