Ultimate Quiz On C Programming Test

15 Questions | By 500060884 | Last updated: Mar 21, 2022 | Total Attempts: 153

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Ultimate Quiz On C Programming Test - Quiz

Questions and Answers

1.

#include <stdio.h> int main() { int x = 10; int y = 20; x += y += 10; printf (" %d %d", x, y); return 0; }
- A.
  
  40 20
- B.
  
  40 30
- C.
  
  30 30
- D.
  
  30 40
2.

#include<stdio.h> int main(void) { int a = 1; int b = 0; b = a++ + a++; printf("%d %d",a,b); return 0; }
- A.
  
  3 6
- B.
  
  Compiler Dependent
- C.
  
  3 4
- D.
  
  3 3
3.

#include <stdio.h> int main() { int x = 10; int y = (x++, x++, x++); printf("%d %d\n", x, y); return 0; }
- A.
  
  13 12
- B.
  
  13 13
- C.
  
  10 10
- D.
  
  Compiler Dependent
4.

#include <stdio.h> int main() { printf("%d", 1 << 2 + 3 << 4); return 0; }
- A.
  
  112
- B.
  
  52
- C.
  
  512
- D.
  
  0
5.

#include int main() { if(printf("happ")) printf("y"); else printf("iness"); return 0; }
- A.
  
  Happ
- B.
  
  Happy
- C.
  
  Hapiness
- D.
  
  Compile-time error
6.

Int main() { int q= 3; int u= 3; int o= 5; int n= ++q + u*o + u++; switch(n) { case 22: printf("word"); break; case 21: printf("game"); break; case 70: printf("puzzle"); } return 0; }
- A.
  
  Word
- B.
  
  Game
- C.
  
  Puzzle
- D.
  
  No Output
7.

#include int main() { int i; for (i=0; i<20; i++) { switch(i) { case 0: i += 5; case 1: i += 2; case 5: i += 5; case 17: i += 1; default: i += 4; } printf("%d ", i); } return 0; }
- A.
  
  5 10 15 20
- B.
  
  7 12 17 22
- C.
  
  17 22
- D.
  
  Compile-time error
8.

#include int main() { int i; if (printf("0")) i = 3; else i = 5; printf("%d", i); return 0; }
- A.
  
  3
- B.
  
  5
- C.
  
  03
- D.
  
  05
9.

Include int main() { int a = 10, b = 20, c = 30; if (c > b > a) printf("TRUE"); else printf("FALSE"); return 0; }
- A.
  
  True
- B.
  
  False
- C.
  
  Compiler Error
- D.
  
  Output is compiler dependent
10.

#include<stdio.h> int main() { int n; for (n = 9; n!=0; n--) printf("n = %d ", n--); return 0; }
- A.
  
  9 7 5 3 1
- B.
  
  9 8 7 6 5 4 3 2 1
- C.
  
  Infinite Loop
- D.
  
  9 7 5 3
11.

#include int main() { int y = 0; int x = (~y == 1); printf("%d", x); return 0; }
- A.
  
  0
- B.
  
  1
- C.
  
  A very-big negative number
- D.
  
  Compile-time error
12.

What is the output of this C code? #include <stdio.h> int main() { printf("before continue "); break; printf("after continue\n"); return 0; }
- A.
  
  Before continue after continue
- B.
  
  Before continue
- C.
  
  After continue
- D.
  
  Compile-time error
13.

#include <stdio.h> int main() { int i = 0; do { printf("C-Quiz "); i = i++; } while (i < 5); return 0; }
- A.
  
  C-Quiz C-Quiz C-Quiz C-Quiz C-Quiz
- B.
  
  Run-time error
- C.
  
  Undefined Behavior
- D.
  
  Compile-time error
14.

What is the output of this C code? #include<stdio.h> int main() { int a=0,b=0; if(a>0) if(b>0) printf("Hello"); else printf("World"); return 0; }
- A.
  
  Hello
- B.
  
  World
- C.
  
  No output
- D.
  
  Compile-time error
15.

#include <stdio.h> void main() { int k; for (k = -3; k < -5; k++) printf("Hello"); }
- A.
  
  Hello
- B.
  
  Infinite hello
- C.
  
  Run time error
- D.
  
  Nothing