Sonata Softwares

1. Point out error, if any, in the following program main() { int i=1; switch(i) { case 1: printf("\nRadioactive cats have 18 half-lives"); break; case 1*2+4: printf("\nBottle for rent -inquire within"); break; } } Ans. No error. Constant expression like 1*2+4 are acceptable in cases of a switch. 2. Point out the error, if any, in the following program main() { int a=10,b; a>= 5 ? b=100 : b=200; printf("\n%d",b); } Ans. lvalue required in function main(). The second assignment should be written in parenthesis as follows: a>= 5 ? b=100 : (b=200);
3. In the following code, in which order the functions would be called? a= f1(23,14)*f2(12/4)+f3(); a) f1, f2, f3 b) f3, f2, f1 c) The order may vary from compiler to compiler d) None of the above
4. What would be the output of the following program? main() { int i=4; switch(i) { default: printf("\n A mouse is an elephant built by the Japanese"); case 1: printf(" Breeding rabbits is a hair raising experience"); break; case 2: printf("\n Friction is a drag"); break; case 3: printf("\n If practice make perfect, then nobody's perfect"); } } a) A mouse is an elephant built by the Japanese b) Breeding rabbits is a hare raising experience c) All of the above d) None of the above
5. What is the output of the following program? #define SQR(x) (x*x) main() { int a,b=3; a= SQR(b+2); printf("%d",a); } a) 25 b) 11 c) error d) garbage value
6. In which line of the following, an error would be reported? 1. #define CIRCUM(R) (3.14*R*R); 2. main() 3. { 4. float r=1.0,c; 5. c= CIRCUM(r); 6. printf("\n%f",c); 7. if(CIRCUM(r))==6.28) 8. printf("\nGobbledygook"); 9. } a) line 1 b) line 5 c) line 6 d) line 7
7. What is the type of the variable b in the following declaration? #define FLOATPTR float* FLOATPTR a,b; a) float b) float pointer c) int d) int pointer
8. In the following code; #include main() { FILE *fp; fp= fopen("trial","r"); } fp points to: a) The first character in the file. b) A structure which contains a "char" pointer which points to the first character in the file. c) The name of the file. d) None of the above.
9. We should not read after a write to a file without an intervening call to fflush(), fseek() or rewind() <>Ans. True
10. If the program (myprog) is run from the command line as myprog 1 2 3 , What would be the output? main(int argc, char *argv[]) { int i; for(i=0;i11. If the following program (myprog) is run from the command line as myprog 1 2 3, What would be the output? main(int argc, char *argv[]) { int i,j=0; for(i=0;i12. If the following program (myprog) is run from the command line as myprog monday tuesday wednesday thursday, What would be the output? main(int argc, char *argv[]) { while(--argc >0) printf("%s",*++argv); } a) myprog monday tuesday wednesday thursday b) monday tuesday wednesday thursday c) myprog tuesday thursday d) None of the above
13. In the following code, is p2 an integer or an integer pointer? typedef int* ptr ptr p1,p2; Ans. Integer pointer
14. Point out the error in the following program main() { const int x; x=128; printf("%d",x); } Ans. x should have been initialized where it is declared.
15. What would be the output of the following program? main() { int y=128; const int x=y; printf("%d",x); } a) 128 b) Garbage value c) Error d) 0
16. What is the difference between the following declarations? const char *s; char const *s; Ans. No difference
17. What is the difference between the following declarations? const char *const s; char const *const s; Ans. No difference
18. What would be the output of the following program? main() { char near * near *ptr1; char near * far *ptr2; char near * huge *ptr3; printf("%d %d %d",sizeof(ptr1),sizeof(ptr2),sizeof(ptr3)); } a) 1 1 1 b) 1 2 4 c) 2 4 4 d) 4 4 4
19. If the following program (myprog) is run from the command line as myprog friday tuesday sunday, What would be the output? main(int argc, char*argv[]) { printf("%c",**++argv); } a) m b) f c) myprog d) friday
20. If the following program (myprog) is run from the command line as myprog friday tuesday sunday, What would be the output? main(int argc, char *argv[]) { printf("%c",*++argv[1]); } a) r b) f c) m d) y
21. If the following program (myprog) is run from the command line as myprog friday tuesday sunday, What would be the output? main(int argc, char *argv[]) { while(sizeofargv) printf("%s",argv[--sizeofargv]); } a) myprog friday tuesday sunday b) myprog friday tuesday c) sunday tuesday friday myprog d) sunday tuesday friday
22. Point out the error in the following program main() { int a=10; void f(); a=f(); printf("\n%d",a); } void f() { printf("\nHi"); } Ans. The program is trying to collect the value of a "void" function into an integer variable.
23. In the following program how would you print 50 using p? main() { int a[]={10, 20, 30, 40, 50}; char *p; p= (char*) a; } Ans. printf("\n%d",*((int*)p+4));
24. Would the following program compile? main() { int a=10,*j; void *k;<> j=k=&a; j++; k++; printf("\n%u%u",j,k); } a) Yes b) No, the format is incorrect c) No, the arithmetic operation is not permitted on void pointers d) No, the arithmetic operation is not permitted on pointers
25. According to ANSI specifications which is the correct way of declaring main() when it receives command line arguments? a) main(int argc, char *argv[]) b) main(argc,argv) int argc; char *argv[]; c) main() {int argc; char *argv[]; } d) None of the above
26. What error would the following function give on compilation? f(int a, int b) { int a; a=20; return a; } a) missing parenthesis in the return statement b) The function should be declared as int f(int a, int b) c) redeclaration of a d) None of the above
27. Point out the error in the following program main() { const char *fun(); *fun()='A'; } const char *fun() { return "Hello"; } Ans. fun() returns to a "const char" pointer which cannot be modified
28. What would be the output of the following program? main() { const int x=5; int *ptrx; ptrx=&x; *ptrx=10; printf("%d",x); } a) 5 b) 10 c) Error d) Garbage value
29. A switch statement cannot include a) constants as arguments b) constant expression as arguments c) string as an argument d) None of the above
30. How long the following program will run? main() { printf("\nSonata Software"); main(); } a) infinite loop b) until the stack overflows c) All of the above d) None of the above
31. On combining the following statements, you will get char*p; p=malloc(100); a) char *p= malloc(100) b) p= (char*)malloc(100) c) All of the above d) None of the above
32. What is the output of the following program? main() { int n=5; printf("\nn=%*d",n,n); } a) n=5 b) n=5 c) n= 5 d) error



1. Last month of an year (a) January (b) February (c) December (d) November
2. Select the odd one (a) January (b) February (c) Wednesday (d) November
3. Select the antonym of capture from the following (a) attack (b) Release (c) condemn (d) None of the above
4. Find the antonym of autumn (a) Spring (b) Winter (c) Summer (d) None of the above
5. One skirt requires 3.75 yards of cloth. How many skirts you can make from 45 yards? Ans: 12 skirts
6. How can you make a square from two triangles?
7. Is the meaning of Client and Customer, (a) same (b) contradictory (c) no relation
8. Is the meaning of It's and Its, (a) same (b) contradictory (c) no relation
9. Is the meaning of Canvas and Canvass, (a) same (b) contradictory (c) no relation
10. Is the meaning of Ingenious and Ingenuous, (a) same (b) contradictory (c) no relation
11. Is the meaning of Credible and Credulous, (a) same (b) contradictory (c) no relation
12. Select the odd one out. (a) 1/4 (b) 1/3 (c) 1/6 (d) 1/18
13. Select the least from the following. (a) 0.99 (b) 1 (c) 81 (d) 0.333
14. Find the next number in the series. 1, 0.5, 0.25, 0.125 Ans: 0.0625
15. One dollar is saved in one month. Then how much dollar is saved in one day? Ans: 1/30 =0.0333$
16. Y catches 5 times more fishes than X. If total number of fishes caught by X and Y is 48, then number of fishes caught by X? Ans: 8
17. Y catches 5 times more fishes than X. If total number of fishes caught by X and Y is 42, then number of fishes caught by X? Ans: 7
18. If a train covers 600m in 0.5 seconds, how long it will cover in 10 seconds? Ans: 3000m = 3km
19. The girl's age is twice that of boy, if the boy is four years old. After four years the age of the girl is Ans: 12 years
20. Sister's age is twice than that of the brother. If the brother's age is six, what is the sister's age after two years? Ans: 14 Yrs.
21. Two lemons cost 10 cents. Then one and a half dozen cost Ans: 90 cents
22. A clock is late by 1 minute 27 seconds in a month. Then how much will it be late in 1 day? Ans: 2.9 seconds
23. Which of the following figures together will make a triangle? Ans: a,b,c,d
24. Make a square by drawing only one line Ans: line 2-5, square 2-3-4-5-2
25. Which of the following is the odd one? crew, constellation, companion, league, participants. Ans: companion
26. Opposite of Remote? (a) Far (b) Near (c) Huge (d) Village
27. Statement A: All great men are ridiculous; Statement B: I am ridiculous ; Inference : I am a great man; (a) True (b) False (c) Not clear
28. Statement: Normal children are active; Inference: All children are active; (a) True (b) False (c) Uncertain
29. Next number in the series 1, 1/2, 1/4, 1/8 ? Ans: 1/16
30. In 6 seconds a light flashes once. In one hour how many times it will flash? Ans: 601 times
31. At 20% discount, a cycle is sold at a selling price of 2500 Rs. What is the actual price? Ans: Rs. 3125
32. Statement A: A & B have same age; Statement B: B is younger than C; Inference : A is younger than C; (a) True (b) False (c) Uncertain
33. All chickens lay eggs (True/False) Ans: False
34. A invests $12000, B invests $8000, C invests $6000 and they got a profit of $1200. How much share A got more than B and C? Ans: 2/13 and 3/13