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Sonata Software placement paper 2011

Posted on :24-03-2016

Q1. Full form of TTL and CMOS


Q2. Which is a good conductor (Extrinsic or Intrinsic)


Q3. What are the different types of capacitors (Electrolytic, dielectric...etc)


Q4. Select a passive component from the following (four choices were there)


Q5. Minimum no. of lines required for communication using RS232 

ANS:  2


Q6. To convert 1s complement to 2s complement and vice versa


Q7. During which time we use size of command. 

ANS: runtime


Q8. Out of four choice we have to identify which is a macro.


Q9. There was one pointer _expression related question.


Q10. To find post fix _expression.


Q11. What type of operating system is unix (ans: pre-emptive,[not sure])


a) pre-emptive 
b) non-preemptive 
c) batch

Q12. Definition of turing machine.


Q13. Where we use DFD(Data flow design)

a)structural languages 
b) object oriented languages 
c) UML 
d) all of the above

 
Q14. Name the error which occurs when we write on a page

a) segment fault 
b) permission fault 
c) page fault


Q15. A question based on the representation of an array in C. An array whose elements are function pointers which returns a character


Q16. Point out error, if any, in the following program

main()
{ int i=1; switch(i)
{ case 1: printf(" Radioactive cats have 18 half-lives");
break;
case 1*2+4:
printf(" Bottle for rent -inquire within"); break; }

ANS: No error. Constant expression like 1*2+4 are acceptable in cases of a switch.


Q17. Point out the error, if any, in the following program main()

{ int a=10,b; a>= 5 ? b=100 : b=200; printf(" %d",b); }

ANS: lvalue required in function main(). The second assignment should be

written in parenthesis as
follows:

a>= 5 ? b=100 : (b=200);

Q18. 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


Q19. What would be the output of the following program?

main()
{ int i=4; switch(i)
{ default:
printf(" A mouse is an elephant built by the Japanese");
case 1:
printf(" Breeding rabbits is a hair raising experience");
break;
case 2:
printf(" Friction is a drag");
break;
case 3:
printf(" If practice make perfect, then nobodys 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


Q20. 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


Q21. 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(" %f",c);
7. if(CIRCUM(r))==6.28)
8. printf(" Gobbledygook");
9. }

a) line 1 
b) line 5 
c) line 6 
d) line 7


Q22. 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


Q23. 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.


Q24. We should not read after a write to a file without an intervening call

to fflush(), fseek() or rewind()

< TRUE/FALSE>

ANS: True


Q25. If the program (myprog) is run from the command line as myprog 1 2 3 


  
   






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