Dexterity - 'c Programming Contest'
Organizing by IT Department
- 1.Which of the following is not a valid variable name declaration?
- A.
Int _a9;
- B.
Int a_9;
- C.
Int 9_a;
- D.
Int _9a
- 2.Which of the following is a valid C variable name?
- A.
Int number;
- B.
Float floating;
- C.
double doubleint;
- D.
All
- 3.Which is correct with respect to size of the datatypes?
- A.
Char > int > float
- B.
Int > char > float
- C.
Char < int < double
- D.
Double > char > int
- 4.Which of the following is the correct order of evaluation for the below expression? z = x + y * z / 4 % 2 - 1
- A.
* / % + - =
- B.
= * / % + -
- C.
/ * % - + =
- D.
* % / - + =
- 5.What is the output of this C code? int main() { int x = 2, y = 0; int z = (y++) ? y == 1 && x : 0; printf("%d\n", z); return 0; }
- A.
1
- B.
0
- C.
Undefined behavior
- D.
Compile time error
- 6.Which of the following is not an arithmetic operation?
- A.
A *= 10;
- B.
A /= 10;
- C.
A != 10;
- D.
A %= 10;
- 7.What is the output of this C code? #include <stdio.h> void main() { double x = 123828749.66; int y = x; printf("%d\n", y); printf("%lf\n", y); }
- A.
0, 0.0
- B.
123828749, 123828749.66
- C.
12382874, 12382874.0
- D.
123828749, 0.000000
- 8.What is the output of this C code? #include <stdio.h> void main() { int x = 4, y, z; y = --x; z = x--; printf("%d%d%d", x, y, z); }
- A.
3 2 3
- B.
2 3 3
- C.
3 2 2
- D.
2 3 4
- 9.Property which allows to produce different executable for different platforms in C is called?
- A.
File inclusion
- B.
Selective inclusion
- C.
Conditional compilation
- D.
Recursive macros
- 10.What will be the output of the following program? #include<stdio.h> #define square(x) x*x void main() { int i; i = 64/square(4); printf("%d", i); }
- A.
4
- B.
64
- C.
16
- D.
None
- 11.What is the output of this C code? #include <stdio.h> const int a = 1, b = 2; int main() { int x = 1; switch (x) { case a: printf("yes "); case b: printf("no\n"); break; } }
- A.
Yes no
- B.
Yes
- C.
No
- D.
Compile time error
- 12.Comment on the output of this C code? #include <stdio.h> int main() { int a = 1; if (a) printf("All is Well "); printf("I am Well\n"); else printf("I am not a River\n"); }
- A.
Output will be All is Well I am Well
- B.
Output will be I am Well I am not a River
- C.
Output will be I am Well
- D.
Compile time errors during compilation
- 13.What will be the value of i and j after execution of following program? #include<stdio.h> void main() { int i, j; for(i=0,j=0;i<10,j<20;i++,j++) { printf("i=%d %t j=%d", i, j); } }
- A.
10 10
- B.
10 20
- C.
20 20
- D.
Run time error
- 14.What is the output of this C code? #include <stdio.h> int main() { int i = 0; while (i = 0) printf("True\n"); printf("False\n"); }
- A.
True (infinite time)
- B.
True (1 time) False
- C.
False
- D.
Compile error
- 15.What is the output of this C code? #include <stdio.h> int main() { printf("before continue "); continue; printf("after continue\n"); }
- A.
Before continue after continue
- B.
Before continue
- C.
After continue
- D.
Compile time error
- 16.Comment on the following statement: int (*a)[7];
- A.
An array “a” of pointers.
- B.
A pointer “a” to an array.
- C.
A ragged array.
- D.
None of the mentioned
- 17.What is the output of this C code? #include <stdio.h> void main() { int a[2][3] = {1, 2, 3, , 4, 5}; int i = 0, j = 0; for (i = 0; i < 2; i++) for (j = 0; j < 3; j++) printf("%d", a[i][j]); }
- A.
1 2 3 junk 4 5
- B.
Compile time error
- C.
1 2 3 0 4 5
- D.
1 2 3 3 4 5
- 18.What is the output of this C code? #include <stdio.h> void main() { static int x = 3; x++; if (x <= 5) { printf("hi"); main(); } }
- A.
Run time error
- B.
Hi
- C.
Infinite hi
- D.
Hi hi
- 19.Which files will get closed through the fclose() in the following program? #include<stdio.h> int main() { FILE *fs, *ft, *fp; fp = fopen("A.C", "r"); fs = fopen("B.C", "r"); ft = fopen("C.C", "r"); fclose(fp, fs, ft); return 0; }
- A.
"A.C" "B.C" "C.C"
- B.
"B.C" "C.C"
- C.
"A.C"
- D.
Error in fclose()
- 20.What will be the output of the program ? #include<stdio.h> int main() { enum days {MON=-1, TUE, WED=6, THU, FRI, SAT}; printf("%d, %d, %d, %d, %d, %d\n", MON, TUE, WED, THU, FRI, SAT); return 0; }
- A.
-1, 0, 1, 2, 3, 4
- B.
-1, 2, 6, 3, 4, 5
- C.
-1, 0, 6, 2, 3, 4
- D.
-1, 0, 6, 7, 8, 9
Questions: 31 | Attempts: 481 | Last updated: Jan 10, 2013
-
Sample QuestionFredrick lives on land owned by Duke Eddington. The Duke is in turn only using land given to him by the king. Which term(s) best describes Fredrick?
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-
Sample QuestionWhich of the following is/are storage class
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Sample Questionmain() { char *ptr1 = “abcdef”; ptr1 = ptr1 + (strlen(ptr1)-1); printf(“%c”,--*ptr1--); printf(“%c”,--*--ptr1); printf(“%c”,--*(ptr1--)); printf(“%c”,--*(--ptr1)); printf(“%c”,*ptr1); }
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