C Programming Quiz: Practice Exam!
50 Questions
| Total Attempts: 13
(159).jpg "C Programming Quiz: Practice Exam!")
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Questions and Answers
- 1.#include<stdio.h> main() { enum { abesit, abesec=4,akgec}; printf("%d %d", abesit, akgec); }
- A.
0 1
- B.
0 5
- C.
0 4
- D.
Compile error
- 2.#include<stdio.h> int xstrlen(char *s) { int length = 0; while(*s!='\0') {length++; s++;} return (length); } int main() { char d[] = "DATASTRUCTURE"; printf("Length = %d\n", xstrlen(d)); return 0; }
- A.
Code returns error
- B.
Code returns the length 13
- C.
Code returns the length 12
- D.
Code returns the length 0
- 3.#include <stdio.h> int main() { char a[] = { 'D, 'A', 'T', 'A' }; char* ppp = &a[0]; *ppp++; // Line 1 printf("%c %c ", *++ppp, --*ppp); // Line 2 }
- A.
D T
- B.
A D
- C.
D A
- D.
T D
- 4.#include<stdio.h> Void main() { While(! printf("while loop is amazing one") ; }
- A.
Compilation error
- B.
While loop is amazing one
- C.
Runtime error
- D.
none of the above
- 5.#include<stdio.h> main() { int n=8; int f(int n); printf("%d", f(n)); } int f(int n) { if(n>0) return (n+f(n-2)); }
- A.
10
- B.
20
- C.
30
- D.
Error
- 6.#include<stdio.h> main() { printf(3+"Good morning "); }
- A.
Good morning
- B.
Morning
- C.
Good
- D.
D morning
- 7.#include<stdio.h> #include<conio.h> void main() { char s[]="ghost"; printf("%d",sizeof(s)); getch(); }
- A.
5
- B.
6
- C.
4
- D.
Error
- 8.#include<stdio.h> #include<conio.h> void main() { printf("\n yo"); printf("\b ghost"); printf("\r hy"); getch(); }
- A.
Hy
- B.
Yo
- C.
Hyghost
- D.
None of the above
- 9.#include<stdio.h> int main(){ int count, temp, i, j, number[30]; printf("How many numbers are u going to enter?: "); scanf("%d",&count); printf("Enter %d numbers: ",count); for(i=0;i<count;i++) scanf("%d",&number[i]); for(i=count-2;i>=0;i--){ for(j=0;j<=i;j++){ if(number[j]>number[j+1]){ temp=number[j]; number[j]=number[j+1]; number[j+1]=temp; } } } printf("Sorted elements: "); for(i=0;i<count;i++) printf(" %d",number[i]); return 0; }
- A.
Error
- B.
bubble sort
- C.
quick sort
- D.
insertion sort
- 10.#include <stdio.h> void main() { char *s= "data"; char *p = s; printf("%c%c", p[1],s[2]); }
- A.
At
- B.
Data
- C.
Ata
- D.
None of the above
- 11.#include <stdio.h> void c( int[] ); int main() { int ary[4] = {1, 2, 3, 4}; c(ary); printf("%d ", ary[0]); } void c(int p[4]) { int i = 1; p = &i; printf("%d ", p[0]); }
- A.
1 1
- B.
1 2 3 4
- C.
2 3
- D.
none of the above
- 12.#include<stdio.h> void main() { float b=0.45; if(b<0.45) printf("wow"); else printf ("how"); }
- A.
wow
- B.
How
- C.
Compilation error
- D.
Syntax error
- 13.#include<stdio.h> void main() { int I; for(I=1;I<=5;I++) { if(I==3) { break; } printf("%d",I); }}
- A.
1 2
- B.
1 2 3
- C.
1 2 3 4 5
- D.
none of the above
- 14.#include<stdio.h> void main() { int I=65; char J='A'; if(I==J) { printf("hey"); } else { printf("hii"); } }
- A.
hey
- B.
hii
- C.
none of the above
- D.
Error
- 15.#include <stdio.h> int main() { int* data; *data= 9; printf("%d", *data); return 0; }
- A.
Compilation error
- B.
Runtime error
- C.
9
- D.
linker error
- 16.#include<stdio.h> int main() { int x; For(x= -1;x<=10;x++) { if(x<5) Continue; else break; printf("abc"); } return 0; }
- A.
Infinite times
- B.
11 times
- C.
0 times
- D.
10 times
- 17.#include<stdio.h> int main() { int i=0; For(; i<=5;i++) printf("%d", i); return 0; }
- A.
6
- B.
1,2,3,4
- C.
5
- D.
0,1,2,3,4,5
- 18.#include<stdio.h> int main() { int a=500, b=100, c; if(! a>=400) b=300; printf("b=%d c=%d \n", b, c); return 0; }
- A.
b=100 c= garbage
- B.
B=300 c= garbage
- C.
b=100 c=200
- D.
B=300 c=200
- 19.#include<stdio.h> int main() { usigned int i= 65535;/*Assume 2byte integer*/ While(i++! =0) printf("%d", ++i); printf("\n"); return 0; }
- A.
0 1 2...65535
- B.
Infinte Loop
- C.
0 1 2...32767-32766-32765-1 0
- D.
No Output
- 20.#include<stdio.h> int main() { int x=3; float y=3.0; if(x==y) printf("x and y are not equal"); return 0; }
- A.
No Output
- B.
X and y are not equal
- C.
x and y are equal
- D.
Unpredictable
- 21.#include<stdio.h> int main() { Chat ch; if(Ch= printf(" ")) printf(" It matters \n") ; return 0; }
- A.
It Matters
- B.
It doesn't Matters
- C.
Matters
- D.
No Output
- 22.#include<stdio.h> int main() { int a[5]={5,1,15,20,25}; int i,j,m; i= ++a[1]; j= a[1]++; m= a[i++]; printf("%d%d%d", i,j,m) ; return 0; }
- A.
1,2,15
- B.
2,3,20
- C.
2,1,15
- D.
3,2,15
- 23.What is the output of this program? #include<stdio.h> Void main() { int a=b=c=10; a=b=c=50; printf("\n%d%d%d", a,b,c); }
- A.
Three Garbage Values
- B.
10 10 10
- C.
Compile time Error
- D.
50 50 50
- 24.What will be the ouput of this following c code? #include <stdio.h> void main() { int a[4] = {1, 2, 3,4}; int *p = a; printf("%p\t%p", p, a); }
- A.
Same address is printed
- B.
Different address is printed
- C.
Compile time error
- D.
Nothing
- 25.Which bitwise operator is suitable for turning off a the particular bit in a number?
- A.
&& operator
- B.
& operator
- C.
|| operator
- D.
! operator
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