Centre for Development of Advanced Computing Whole-Testpaper Contributed by Sidharth Menon updated on May 2019

C-DAC Latest -2011-2012 Placement papers with answers|C-DAC Technical Questions,C,DBMS,Programming Questions

C-DAC Aptitude Reasoning Questions Latest Selected Procedures|C-DAC Placement Anlysis

C-DAC Latest Placement Papers

1.The programming language that was designed for specifying algorithm..... 
Address 
ASCII 
ALGOL 
None of these options 

2. _____ contains the addresses of all the records according to the contents of the field designed as the record key.Index

ans Subscript Array File 

3. _________ symbol is used for Processing of data. Oval Parallelogram

ans Rectangle Diamond 

4. __________ is the analysis tool used for planning program logic Protocol None of these options PROLOG 

Pseudocode 

5. Machine language has two part format the first part is__________ and the second part is __________ OPCODE,OPERAND

ans OPERAND,OPCODE DATA CODE,OPERAND OPERAND,CODEOP 

6. Language Primarily used for internet-based applications ADA C++ JAVA

ans FORTRAN 

7. _________ is a point at which the debugger stops during program execution and awaits a further command. Memory Dump Watch point

ans Break point None of these options 

8. ________do not contain any program logic and are ignored by the language 

Processor 

Protocol 

Virus Comment 

None of these 

9. The component of data base management system is ________ 

Data definition Language 

Data manipulation Language 

Data definition Language 

Data manipulation Language 

None of these 

10. The quality of Algorithm is judged on the basis of_________ 

Time requirement 

Memory Requirement 

Accuracy of solution 

All of these-ans 

11. Advantages of using flow charts is 

Effective Analysis 

Efficient Coding 

Time consuming 

Effective Analysis 

 Efficient Coding

–ans Programming in C 

12. The Real constants in C can be expressed in which of the following forms Fractional form only Exponential form only ASCII form only 

ans Both Fractional and Exponential forms

13. The program, which translates high-level program into its equivalent machine language program, is called Transformer Language processor Converter 

None of these options

14. Consider the following statements.

 i.Multiplication associates left to right 

ii.Division associates left to right

iii.Unary Minus associates right to left

iv.subtraction associates left to right 

All are true 

ans only i and ii are true all are false only iii and iv are true 

15. What will be the value of variable a in the following code? unsigned char a; a = 0xFF + 1; printf("%d", a); 0xFF 0×100 0 

ans 0×0 

16. What is the output of the following program? #include
void main()
{
printf(“n10!=9 : %5d”,10!=9);
}
ans 0 Error None of these options 

17. #include
void main()
{
int x=10;
(x
void main()
{
int a=14;
a += 7;
a -= 5;
a *= 7;
printf(“n%d”,a);
}
ans 98 89 None of these options 

20. What is the output of the following code? #include
#define T t
void main()
{
char T = `T`;
printf(“n%ct%cn”,T,t);
}
Error
T t
T T
t t

21. The statement that prints out the character set from A-Z, is
for( a = `z`; a < `a`; a = a – 1) printf("%c", &a); for( a = `a`; a <= `z`; a = a + 1 printf("%c", &a); for( a = `A`; a <= `Z`; a = a + 1)

Ans printf("%c", a); for( a = `Z`; a <= `A`; a = a + 1) printf("%c", a); 

22. The statement which prints out the values 1 to 10 on separate lines, is for( count = 1; count <= 10; count = count + 1) printf("%dn",count); for( count = 1; count 10; count = count + 1) printf(“%dn”,count);

23. What does the term `call-by-reference` refer to?
Passing a copy of a variable into a function. Passing a pointer to a variable into a function. 

ans Choosing a random value for a variable. A function that does not return any values. 

24. What is the output of the following code? #include
void swap(int&, int&);
void main()
{
int a = 10,b=20;
swap (a++,b++);
printf(“n%dt%dt”,a, b);
}
void swap(int& x, int& y)
{
x+=2;
y+=3;
}
14, 24
11, 21 ans 10, 20 Error 

25. What is the output of the following program code #include
void abc(int a[])
{
a++;
a[1]=612;
}
main()
{
char a[5];
abc(a);
printf(“%d”,a[4]);
}
100
612
Error<——ans None of these options 

26. which of the following is true about recursive function

 i. it is also called circular definition 

ii. it occurs when a function calls another function more than once

 iii. it occurs when a statement within the function calls the function itself iv. a recursive function cannot have a return statement within it" 

i and iii<——ans i and ii ii and iv i, iii and iv 

27.What will happen if you assign a value to an element of an array whose subscript exceeds the size of the array? 

The element will be set to 0 Nothing, its done all the time Other data may be overwritten Error message from the compiler 

28. What is the output of the following code? #include
void main()
{
int arr[2][3][2]={{{2,4},{7,8},{3,4},}, {{2,2},{2,3},{3,4}, }}; printf(“n%d”,**(*arr+1)+2+7);
}
16 <——ans 7 11 Error 

29. If int s[5] is a one dimensional array of integers, which of the following refers to the third element in the array? *( s + 2 ) <——ans *( s + 3 ) s + 3 s + 2 

30. #include"stdio.h" main() { int *p1,i=25; void *p2; p1=&i; p2=&i; p1=p2; p2=p1; printf("%d",i); } The output of the above code is : Program will not compile 

ans 25 Garbage value Address of I 

31. What is the output of the following code? void main() { int i = 100, j = 200; const int *p=&i; p = &j; printf("%d",*p); } 100 200 

<——ans 300 None of the above 

32. void main() { int i=3; int *j=&i; clrscr(); printf("%d%d",++*j,*(&i)); } What is the output of this program? 3 3 4 3 <

ans 4,address of i printed Error:Lvalue required 

33. What is the output of the following code? #include
void main()
{
int arr[] = {10,20,30,40,50};
int *ptr = arr;
printf(“n %dt%dt”,*ptr++,*ptr);
}
10 20
10 10

ans 20 20 20 10 

34. Which of these are reasons for using pointers? 

1.To manipulate parts of an array 

2.To refer to keywords such as for and if 

3.To return more than one value from a function 

4.To refer to particular programs more conveniently 1 & 3 no+1);
}
35 What is the output of this program?
8 8
8 9 <——ans 9 8 8 , unpredictable 

36. During initializing a union Only one member can be initialised. All the members will be initialised. Initialisation of a union is not possible.

ans None of these options 

37. Self referential structure is one 

a. Consisting the structure in the parent structure 

b. Consisting the pointer of the structure in the parent structure Only a Only b Both a and b Neither a nor b 

38. Individual structure member can be initialized in the structure itself 

True False

 Compiler dependent 

None of these options 

39. Which of the following is the feature of stack? 

All operations are at one end It cannot reuse its memory 

All elements are of different data types 

Any element can be accessed from it directly<——ans 

40. When stacks are created Are initially empty

ans Are initialized to zero Are considered full 

41. What is time required to insert an element in a stack with linked implementation? 

(1) (log2n)<——ans (n) (n log2n)

 42. Which of the following is the feature of stack? 

All operations are at one end It cannot reuse its memory 

All elements are of different data types 

Any element can be accessed from it directlyns 

43. Time taken for addition of element in queue is (1) (n) (log n)

ans None of these options 

44. When is linear queue said to be empty ? Front==rear Front=rear-

1 Front=rear+1 Front=rear<——ans 45. When queues are created Are initially empty<——ans Are initialized to zero Are considered full None of the above 

46. What would be the output of the following program? #include
main()
{
printf(“n%c”, “abcdefgh”[4]);
}
abcdefgh
d
e <——ans error 

47. Select the correct C code which will read a line of characters(terminated by a n) from input_file into a character array called buffer. NULL terminate the buffer upon reading a n. int ch, loop = 0; ch = fgetc( input_file ); while( (ch != `n`)&& (ch != EOF) ){buffer[loop] = ch; loop++; ch = fgetc(input_file );} buffer[loop] = NULL; int ch, loop = 0; ch = fgetc( input_file ); while( (ch = "n")&& (ch = EOF)) { buffer[loop] = ch; loop–; ch = fgetc(]input_file ); } buffer[loop]= NULL; int ch, loop = 0; ch = fgetc( input_file ); while( (ch “n”)&& (ch != EOF) ) { buffer[loop] = ch; loop++; ch = fgetc(input_file ); } buffer[loop] = -1;

 

48. What is the output of the following code ?
void main()
{
int a=0;
int b=0;
++a == 0 || ++b == 11;
printf(“n%d,%d”,a,b);
}
0, 1
1, 1 <——ans 0, 0 1, 0 49. What is the output of the following program? #define str(x)#x #define Xstr(x)str(x) #define oper multiply void main() { char *opername=Xstr(oper); printf("%s",opername); } opername Xstr multiply <——ans Xstr 

50. What is the output of the following code ? #include
#include
void main()
{
char *a = “C-DACACTSn”; printf(“%sn”,a); }
C-DAC ACTS
ACTS
C-DAC <——ans None of these 51. #include
void main()
{
while (1)
{if (printf(“%d”,printf(“%d”)))
break;
else
continue;
}
}
The output is
Compile time error
Goes into an infinite loop

feedback