C Programming Practice - Test 5
. Dear Learner, This Assessment consists of questions to test your understanding on - C Programming You may attempt the same and clarify doubts in WP Group. / With your Faculty Member Regards, Team SHIVAM
- 1.Point out the error, if any in the for loop #include int main() { int i=1; for(;;) { printf("%d\n", i++); if(i>10) break; } return 0; }
- A.
There should be a condition in the for loop
- B.
The two semicolons should be dropped
- C.
The for loop should be replaced with while loop
- D.
No error
- 2.Pick the right alternative main() { int c=- -2; while(--c) printf("c=%d",c); }
- A.
C=99
- B.
C=1
- C.
No Output
- D.
C=2
- 3.What will be the output? main() { char s[ ]="m"; int i; for(i=0;s[ i ];i++) printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]); }
- A.
Mmmm
- B.
Compiler error
- C.
No Output
- D.
M01m
- 4.What main() { int i=0; while(+(+i--)!=0) i-=i++; printf("%d",i); }
- A.
0
- B.
1
- C.
-1
- D.
-2
- 5.Void main() { static int i; while(i2)?i++:i--; printf(“%d”, i); }
- A.
32767
- B.
0
- C.
1
- D.
Compiler error
- 6.What is the output of this program? void main() { int i=122; while(i!=97) i--; while(i>65) i--; printf(“%c”,i); }
- A.
65
- B.
A
- C.
B
- D.
B
- 7.What is the output of this program? void main() { int i=99; while(i
- A.
100
- B.
A
- C.
D
- D.
C
- 8.#include void main() { double k = 0; for (k = 0.0; k < 3.0; k++); printf("%lf", k); }
- A.
4.000000
- B.
3.000000
- C.
2.000000
- D.
Run time error
- 9.What is the output of this program? void main() { int x=1; x=!x; while(x!=!x) { printf(“%d”,i); } }
- A.
0
- B.
1
- C.
-1
- D.
Logical Error
- 10.What is the output of this program? void main() { int k; for(k=10; k%2! =0 && k%3!=0;k--) if(k==1) break; printf(“%d”,k); }
- A.
Compiler error
- B.
10
- C.
7 5
- D.
Prime digits
- 11.What is the output of this program? void main() { long int i=3; while(++i
- A.
0
- B.
4
- C.
3
- D.
No output
- 12.What is the output of this program? void main() { int i, j; for(i=0,j=20; i!=j; i++,j--) { printf(“%c”,i+48); } }
- A.
Digits
- B.
Prime digits
- C.
Compiler error
- D.
No output
- 13.What is the output of this program? void main() { int i=0, j=1; while(i==!j) { printf(“%d %d”,!i,!j); i++; j++; } }
- A.
0 0
- B.
0 1
- C.
1 0
- D.
1 1
- 14.What is the output of this program? void main() { int k; for(k=32768; k
- A.
-32768
- B.
32768
- C.
-32767
- D.
32767
- 15.The following code stands for what? void main() { int m=60,n=25; if(m!=n) { while(m>n) m-=n; interchange(m,n); // assume the function interchange content of m & n } printf(“%d”,m); }
- A.
LCM(m,n)
- B.
GCD(m,n)
- C.
Max(m,n)
- D.
Min(m,n)
- 16.Void main() { int a[5] = {1, 2, 3, 4, 5}; int i; for (i = 0; i < 5; i++) if ((char)a[i] == '5') printf("%d\n", a[i]); else printf("FAIL\n"); }
- A.
The compiler will flag an error
- B.
Program prints 5
- C.
Program will compile and print the ASCII value of 5
- D.
Program prints FAIL for 5 times
- 17.What is the output of this program? #include #include void main() { printf(“%d”, (2*(1+rand()%4)); }
- A.
Any even digit
- B.
Any odd digit
- C.
Any prime number
- D.
Any perfect no
- 18.What is the output of this program? void main() { int i=0,j=1,k; while(i
- A.
Prime nos
- B.
Perfect nos
- C.
Fibonacci nos
- D.
Armstrong no
- 19.Fill in the blank: #include #include void main() { int i,n; scanf(“%d”,&n); for(i=2;isqrt(n)) printf(“%d is ________”,n); }
- A.
Armstrong no
- B.
Peterson no.
- C.
Perfect no
- D.
Prime no
- 20.What is the output of this program? void main() { int i; for(i=10;--i%3==0;i--) printf(“%d”,i); }
- A.
9 6 3
- B.
9 6
- C.
9
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