Quiz: C Data Types and Operators

5 questionsNo time limitPass: 60%+10 XP on first pass

C's data types and their sizes, format specifiers, scanf input, type casting, integer division, increment operators, and the operator traps that appear in output questions.

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Question 1

What does this print?

#include <stdio.h>
int main(void) {
    int a = 10, b = 4;
    printf("%d %d", a / b, a % b);
    return 0;
}

2.5 22 22 43 2

Question 2
Why does scanf("%d", &n); use &?
It makes n an integerscanf needs the address where it should store the valueIt prints nIt's optional

Question 3

What does this print?

#include <stdio.h>
int main(void) {
    int x = 3;
    int y = x++ * 2;
    printf("%d %d", x, y);
    return 0;
}

3 64 64 83 8

Question 4
What does printf("%d", 5 > 3); print?
true150

Question 5

What does this print?

#include <stdio.h>
int main(void) {
    printf("%d", 1 << 4);
    return 0;
}

45168