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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
