53. For the following C program
void main()
{
unsigned char c;
for(c=0;c!=256;c=c+2)
printf("%d",c);
getch();
}
(a) 127
(b) 128
(c) 256
(d) infinitely
Ans: (d)
54. For the following program
int i;
i=0;
repeat
i=i+1; <====== PASCAL PROGRAM
print i;
until(i<10)
end
No. of times the loop is executed?
55. For the following program
Convert (int A,var ,int B;int c)
{A=10;
B=4-;
C=120;
}
Convert (inta,b,c)
{ <====== PASCAL PROGRAM
a=1;
b=4;
c=12;
}
56. For the following program
Procedure A
Begin
--------
end <====== PASCAL PROGRAM
Procedure B No. Of errors in the program ?(1,2,3,none)
Begin
-----------
end
57. For the following program
int i;
i=2;
i++;
if(i==4)
{printf(i=4);
}
else
{printf(i=3);
}
Output of the program ?
a) 4
b) 3
c) unpredictable
d) none
Ans. (b)
58. What is FAT?.
a) File Allocation Table
b) File Access Table
c) FDD Allocation Table
d) None of the above
Ans. (a)
. What does the following program print?
#include
int sum,count;
void main(void)
{< BR> for(count=5;sum+=--count;)
printf("%d",sum);
}
a. The pgm goes to an infinite loop b. Prints 4791010974 c. Prints 4791001974
d. Prints 5802112085 e. Not sure
2. What is the output of the following program?
#include
void main(void)
{
int i;< BR> for(i=2;i<=7;i++)
printf("%5d",fno());
}
fno()
{
staticintf1=1,f2=1,f3;
return(f3=f1+f2,f1=f2,f2=f3);
}
a. produce syntax errors b. 2 3 5 8 13 21 will be displayed c. 2 2 2 2 2 2 will be displayed
d. none of the above e. Not sure
3. What is the output of the following program?
#include
void main (void)
{
int x = 0x1234;
int y = 0x5678;
x = x & 0x5678;
y = y | 0x1234;
x = x^y;
printf("%x\t",x);
x = x | 0x5678;
y = y & 0x1234;
y = y^x;
printf("%x\t",y);
}
a. bbb3 bbb7 b. bbb7 bbb3 c. 444c 4448
d. 4448 444c e. Not sure
4. What does the following program print?
#include
void main (void)
{
int x;
x = 0;
if (x=0)
printf ("Value of x is 0");
else
printf ("Value of x is not 0");
}
a. print value of x is 0 b. print value of x is not 0 c. does not print anything on the screen
d. there is a syntax error in the if statement e. Not sure
5. What is the output of the following program?
#include
#include
int foo(char *);
void main (void)
{
char arr[100] = {"Welcome to Mistral"};
foo (arr);
}
foo (char *x)
{
printf ("%d\t",strlen (x));
printf ("%d\t",sizeof(x));
return0;
}
a. 100 100 b. 18 100 c. 18 18 d. 18 2 e. Not sure
6. What is the output of the following program?
#include
display()
{
printf ("\n Hello World");
return 0;
}
void main (void)
{
int (* func_ptr) ();
func_ptr = display;
printf ("\n %u",func_ptr);
(* func_ptr) ();
}
a. it prints the address of the function display and prints Hello World on the screen
b. it prints Hello World two times on the screen
c. it prints only the address of the fuction display on the screen
d. there is an error in the program e. Not sure
7. What is the output of the following program?
#include
void main (void)
{
int i = 0;
char ch = 'A';
do
putchar (ch);
while(i++ < 5 || ++ch <= 'F');
}
a. ABCDEF will be displayed b. AAAAAABCDEF will displayed
c. character 'A' will be displayed infinitely d. none e. Not sure
8. What is the output of the following program?
#include
#define sum (a,b,c) a+b+c
#define avg (a,b,c) sum(a,b,c)/3
#define geq (a,b,c) avg(a,b,c) >= 60
#define lee (a,b,c) avg(a,b,c) <= 60
#define des (a,b,c,d) (d==1?geq(a,b,c):lee(a,b,c))
void main (void)
{
int num = 70;
char ch = '0';
float f = 2.0;
if des(num,ch,f,0) puts ("lee..");
else puts("geq...");
}
a. syntax error b. geq... will be displayed c. lee.. will be displayed
d. none e. Not sure
9. Which of the following statement is correct?
a. sizeof('*') is equal to sizeof(int) b. sizeof('*') is equal to sizeof(char)
c. sizeof('*') is equal to sizeof(double) d. none e. Not sure
10. What does the following program print?
#include
char *rev(int val);
void main(void)
{
extern char dec[];
printf ("%c", *rev);
}
char *rev (int val)
{
char dec[]="abcde";
return dec;
}
a. prints abcde b. prints the address of the array dec
c. prints garbage, address of the local variable should not returned d. print a e. Not sure
11. What does the following program print?
void main(void)
{
int i;
static int k;
if(k=='0')
printf("one");
else if(k== 48)
printf("two");
else
printf("three");
}
a. prints one b. prints two c. prints three
d. prints one three e. Not sure
12. What does the following program print?
#include
void main(void)
{
enum sub
{
chemistry, maths, physics
};
struct result
{
char name[30];
enum sub sc;
};
struct result my_res;
strcpy (my_res.name,"Patrick");
my_res.sc=physics;
printf("name: %s\n",my_res.name);
printf("pass in subject: %d\n",my_res.sc);
}
a. name: Patrick b. name: Patrick c. name: Patrick
pass in subject: 2 pass in subject:3 pass in subject:0
d. gives compilation errors e. Not sure
13. What does
printf("%s",_FILE_); and printf("%d",_LINE_); do?
a. the first printf prints the name of the file and the second printf prints the line no: of the second printf in the file
b. _FILE_ and _LINE_ are not valid parameters to printf function
c. linker errors will be generated d. compiler errors will be generated e. Not sure
14. What is the output of the following program?
#include
void swap (int x, int y, int t)
{
t = x;
x = y;
y = t;
printf ("x inside swap: %d\t y inside swap : %d\n",x,y);
}
void main(void)
{
int x;
int y;
int t;
x = 99;
y = 100;
swap (x,y,t);
printf ("x inside main:%d\t y inside main: %d",x,y);
}
a. x inside swap : 100 y inside swap : 99 x inside main : 100 y inside main : 99
b. x inside swap : 100 y inside swap : 99 x inside main : 99 y inside main : 100
c. x inside swap : 99 y inside swap : 100 x inside main : 99 y inside main : 100
d. x inside swap : 99 y inside swap : 100 x inside main : 100 y inside main : 99
e. Not sure
15. Consider the following statements:
i) " while loop " is top tested loop ii) " for loop " is bottom tested loop
iii) " do - while loop" is top tested loop iv) " while loop" and "do - while loop " are top tested loops.
Which among the above statements are false?
a. i only b. i & ii c. iii & i d. ii, iii & iv e. Not sure
16. Consider the following piece of code:
char *p = "MISTRAL";
printf ("%c\t", *(++p));
p -=1;
printf ("%c\t", *(p++));
Now, what does the two printf's display?
a. M M b. M I c. I M d. M S e. Not sure
17. What does the following program print?
#include
struct my_struct
{
int p:1;
int q:1;
int r:6;
int s:2;
};
struct my_struct bigstruct;
struct my_struct1
{
char m:1;
};
struct my_struct1 small struct;
void main (void)
{
printf ("%d %d\n",sizeof (bigstruct),sizeof (smallstruct));
}
a. 10 1 b. 2 2 c. 2 1 d. 1 1 e. Not sure
18. Consider the following piece of code:
FILE *fp;
fp = fopen("myfile.dat","r");
Now 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. e. Not sure.
19. What does the following program print?
#include
#define SQR (x) (x*x)
void main(void)
{
int a,b=3;
a = SQR (b+2);
}
a. 25 b. 11 c. 17 d. 21 e. Not sure.
20. What does the declaration do?
int (*mist) (void *, void *);
a. declares mist as a function that takes two void * arguments and returns a pointer to an int.
b. declares mist as a pointer to a function that has two void * arguments and returns an int.
c. declares mist as a function that takes two void * arguments and returns an int.
d. there is a syntax error in the declaration. e. Not sure.
21. What does the following program print?
#include
void main (void)
{
int mat [5][5],i,j;
int *p;
p = & mat [0][0];
for (i=0;i<5;i++)
for (j=0;j<5;j++)
mat[i][j] = i+j;
printf ("%d\t", sizeof(mat)); < BR> i=4;j=5;
printf( "%d", *(p+i+j));
}
a. 25 9 b. 25 5 c. 50 9 d. 50 5 e. Not sure
22. What is the output of the following program?
#include
void main (void)
{
short x = 0x3333;
short y = 0x4321;
long z = x;
z = z << 16;
z = z | y;
printf("%1x\t",z);
z = y;
z = z >> 16;
z = z | x;
printf("%1x\t",z);
z = x;
y = x && y;
z = y;
printf("%1x\t",z);
}
a. 43213333 3333 1 b. 33334321 4321 4321 c. 33334321 3333 1
d. 43213333 4321 4321 e. Not sure
23. What is the output of the following program?
#include
void main (void)
{
char *p = "Bangalore";
#if 0
printf ("%s", p);
#endif
}
a. syntax error #if cannot be used inside main function b. prints Bangalore on the screen
c. does not print anything on the screen
d. program gives an error "undefined symbol if" e. Not sure
24. If x is declared as an integer, y is declared as float, consider the following expression:
y = *(float *)&x;
Which one of the following statments is true?
a. the program containing the expression produces compilation errors;
b. the program containing the expression produces runtime errors;
c. the program containing the expression compiles and runs without any errors;
d. none of the above e. Not sure
25. What is the return type of calloc function?
a. int * b. void * c. no return type: return type is void
d. int e. Not sure
1.Max value of SIGNED int
2. A long C program is given -- try to be familiar with few of the concepts listed below
int *num={10,1,5,22,90};
main()
{
int *p,*q;
int i;
p=num;
q=num+2;
i=*p++;
print the value of i, and q-p, and some other operations are there.
}
how the values will change?
3. One pointer diff is given like this:
int *(*p[10])(char *, char*)
Explain the variable assignment
4. char *a[4]={"jaya","mahe","chandra","buchi"};
What is the value of sizeof(a) /sizeof(char *)
5. For the following C program
void fn(int *a, int *b)
{int *t;
t=a;
a=b;
b=t;
}
main()
{int a=2;
int b=3;
fn(&a,&b);
printf("%d,%d", a,b);
}
What is the output?
a) Error at runtime
b) Compilation error
c) 2 3
d) 3 2
6. For the following C program
#define scanf "%s is a string"
main()
{printf(scanf,scanf);
}
What is the output.
Ans. %s is string is string
7. For the following C program
{char *p="abc";
char *q="abc123";
while(*p=*q)
print("%c %c",*p,*q);
}
a) aabbcc
b) aabbcc123
c) abcabc123
d) infinate loop
8. What is the value of the following:
printf("%u",-1)
a) -1
b) 1
c) 65336
9. For the following C program
#define void int
int i=300;
void main(void)
{int i=200;
{int i=100;
print the value of i;}
print the value of i;}
What is the output?
10. For the following C program
int x=2;
x=x<<2;
printf("%d ",x);
Ans. 8
11. For the following C program
int a[]={0,0X4,4,9}; /*some values are given*/
int i=2;
printf("%d %d",a[i],i[a]);
What is the value?
SATYM PLACEMENT QUESTION WITH SOLUTION on c
Which of following operator can't be overloaded.
==
b) ++
c) ?!
d) <=
2. For the following C program
#include
main()
{printf("Hello World");}
The program prints Hello World without changing main() ,the output should
be
intialisation
Hello World
Desruct
The changes should be
a) IOstream operator<<(iostream os, char*s)
os<<'intialisation'<<(Hello World)<x;
2)abc[0]-->x;
3)abc.x;
4)(abc)-->x;
a )1, 2, 3
b) 2 & 3
c) 1 & 2
d) 1, 3, 4
SATYAM INTERVIEW QUESTION WITH SOLUTION on c
IBM PLACEMENT QUESTION WITH SOLUTION on c
Ibm
20. Output of the following program is
main()
{int i=0;
for(i=0;i<20;i++)
{switch(i)
case 0:i+=5;
case 1:i+=2;
case 5:i+=5;
default i+=4;
break;}
printf("%d,",i);
}
}
0,5,9,13,17
b) 5,9,13,17
c) 12,17,22
d) 16,21
e) Syntax error
Ans. (d)
21. What is the ouptut in the following program
main()
{char c=-64;
int i=-32
unsigned int u =-16;
if(c>i)
{printf("pass1,");
if(c=max) /*error table if full */
else r[n++].k=key;
}
This on executing, enables a
Basic sequential search
b) Binary search
c) Interpolation search
d) None
10. Find the outpur of the following C program
void f(char *p)
{p=(char *) malloc(6);
strcpy(p,"hello");
}
void main( )
{char *P="bye";
f(p);
printf("%s',p);
}
6. What is the fallacy in the following program segment ?
int *f1()
{
int a=5;
return &a;
}
f()
int *b=f1()
int c=*b;
}
7. Give the C language equivalents of the following
a)Function returning an int pointer
b)Function pointer returning an int pointer
c)Function pointer returning an array of integers
d)Array of function pointer returning an array of integers
8. Find the fallacy in the following program segment?
int a;
short b;
b=a;
9. Define function ? Explain arguments in functions ?
10. How does C pass variables to a function ?
11. Explain the following program segment.
f(){
int *b;
*b=2;
}
9. Find the output for the following C program
int array[4][4] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
for (i=2;i<0;i--)
for(j=2;j<=0;j--)
printf("%d", arr[i][j]);
10. Find the output for the following C program
#include
void main()
{int i,x,sum=0;
int arr[6]=[1,2,3,4,5,6]
for (i=0;i<4;i++)
sum+ = func(arr[i]);
printf("%d", sum);
}
func(int x)
{ int val,x;
val = 2;
return(x+ val++);
}
28. For the following C progralm
int d=0;
for(int i=0;i<31;i++)
for(int j=0;j<31;j++)
for(int k=0;k<31;k++)
if (((i+j+k) % 3)==0)
d=d+1;
Find value of d
IBM INTERVIEW QUESTION WITH SOLUTION on c
20. Output of the following program is
main()
{int i=0;
for(i=0;i<20;i++)
{switch(i)
case 0:i+=5;
case 1:i+=2;
case 5:i+=5;
default i+=4;
break;}
printf("%d,",i);
}
}
0,5,9,13,17
b) 5,9,13,17
c) 12,17,22
d) 16,21
e) Syntax error
Ans. (d)
21. What is the ouptut in the following program
main()
{char c=-64;
int i=-32
unsigned int u =-16;
if(c>i)
{printf("pass1,");
if(cnext,x++;
freelist(x);
}
freelist(x)
{free(x);
return
}
8. Pick up the correct function declaration.
void *[] name();
2. void int[][] name();
3. void ** name();
4. none of the above.
For the following program.
struct XXX
{int a;
float b;
char *s;
}X;
If optimization :X not used in compiler then unused bits_________________.
Give your assumption_______________.
2. Give the output of the following program
struct XXX
{int a:6;
float b:4;
char s;
}structure;
size of (structure);
SUN MICRO SYSTEM INTERVIEW QUESTION WITH SOLUTION on c
We have pretty sketchy information on the exact pattern of the SUN written test. There is a technical section which is pretty tough. Question based on C, UNIX, Computer Networks, Data Structures and Operating Systems can be expected.
For the following program.
struct XXX
{int a;
float b;
char *s;
}X;
If optimization :X not used in compiler then unused bits_________________.
Give your assumption_______________.
2. Give the output of the following program
struct XXX
{int a:6;
float b:4;
char s;
}structure;
size of (structure);
3.Class used for the multiple inheritence in JAVA_________________
anonymous class
(b) inner class
(c) abstreet class
(d) none
4. XDR fixes in which part of OS1 stack.
5. LDAP is____________service protocol.
6. Given definition for a function which returns a array of pointers with argument of int*.
7. Give a function declaration with no arguments which refers a two dimensional array
8. Pick up the correct function declaration.
void *[] name();
2. void int[][] name();
3. void ** name();
4. none of the above.
9. Give the difference between monolithic and microlithic kernal:
monolithic large
b. microlithic used in embedded systems.
c. none.
10. rPC coresponds to_______________in OSI stack.
11. Find the no.of page faults using LRU stack.
eg.3 4 4 6 7 8 1 2 .. ..
12.The inorder representation of a tree 41523 and preorder is 211513 Draw it?
13. When does a stack member will be initialised
when object is created
(b) when object is initialised.
(c) doesnot depend on object.
(d) none.
14. Number of CPU in a multiprocess is contrassed by
RISC nohere of CPU
(b) memory
(c) both (a) and (b)
(d) None of the above
15. Give the output of the following program
main()
{char *s;
s="hot java";
strcpy(s,"solarrs java")
}
16. Give the output of the following program
main()
{printf("hot java");
fork()
exit(0);
}
(i). When redirected to a screen what will be printed.
(ii). When redirected to file what will be printed.
17. Give the output of the following program
main()
{int ret;
ret=fork();ret=fork();ret=fork();ret=fork();
if(!ret)
printf("sun");
else
printf("solaris");
18. Give the output of the following program
main()
{char *p='a';
int *i=100/*p;
}
what will be the value of *i= 1
19. Which data structure gives efficient search
1 B-tree
2 binary tree
3 array
4 linked list
20. Find the error in the following program
struct point
{struct point *next;
int data;
}
x;
main()
{int i;
for(x=p;x!=0;)
x=x->next,x++;
freelist(x);
}
freelist(x)
{free(x);
return
}
6. Write one statement equivalent to the following two statements: x=sqr(a); return(x);
Choose from one of the alternatives
(a) return(sqr(a)); (b) printf("sqr(a)");
(c) return(a*a*a); (d) printf("%d",sqr(a));
7. Which of the following about the C comments is incorrect ?
(a) Comments can go over multiple lines
(b) Comments can start any where in the line
(c) A line can contain comments with out any language statements
(d) Comments can occur within comments
8. What is the value of y in the following code?
x=7;
y=0;
if(x=6) y=7;
else y=1;
(a) 7 (b) 0 (c) 1 (d) 6
9. Read the function conv() given below
conv(int t)
{
int u;
u=5/9 * (t-32);
return(u);
}
What is returned
(a) 15 (b) 0 (c) 16.1 (d) 29
10. Which of the following represents true statement either x is in the range of 10 and 50 or y is zero
(a) x >= 10 && x <= 50 || y = = 0 (b) x<50
(c) y!=10 && x>=50 (d) None of these
11. Which of the following is not an infinite loop ?
(a) while(1)\{ ....} (b) for(;;){...}
(c) x=0; (d) # define TRUE 0
do{ /*x unaltered within the loop*/ ...
.....}while(x = = 0); while(TRUE){ ....}
12. What does the following function print?
func(int i)
{
if(i%2)return 0;
else return 1;
}
main()
{
int =3;
i=func(i);
i=func(i);
printf("%d",i);
}
(a) 3 (b) 1 (c) 0 (d) 2
13. How does the C compiler interpret the following two statements
p=p+x;
q=q+y;
(a) p= p+x; (b)p=p+xq=q+y; (c)p= p+xq; (d)p=p+x/q=q+y;
q=q+y; q=q+y;
For questions 14,15,16,17 use the following alternatives:
a.int b.char c.string d.float
14. '9'
15. "1 e 02"
16. 10e05
17. 15
18. Read the folllowing code
# define MAX 100
# define MIN 100
....
....
if(x>MAX)
x=1;
else if(x>=b (d) a**=b
27. What is y value of the code if input x=10
y=5;
if (x==10)
else if(x==9)
else y=8;
(a)9 (b)8 (c)6 (d)7
28. What does the following code do?
fn(int n, int p, int r)
{
static int a=p;
switch(n)
{
case 4:a+=a*r;
case 3:a+=a*r;
case 2:a+=a*r;
case 1:a+=a*r;
}
}
(a) computes simple interest for one year (b) computes amount on compound interest for 1 to 4 years
(c) computes simple interest for four year (d) computes compound interest for 1 year
29.
a=0;
while(a<5)
printf("%d\\n",a++);
How many times does the loop occurs?
(a) infinite (b)5 (c)4 (d)6
30. How many times does the loop iterated ?
for(i=0;i=10;i+=2)
printf("Hi\\n");
(a)10 (b) 2 (c) 5 (d) None of these
31. What is incorrect among the following
A recursive function
(a) calls itself (b) is equivalent to a loop
(c) has a termination condition (d) does not have a return value at all
32. Which of the following go out of the loop if expn 2 becoming false
(a) while(expn 1)\{...if(expn 2)continue;} (b) while(!expn 1)\{if(expn 2)continue;...}
(c) do{..if(expn 1)continue;..}while(expn 2); (d) while(!expn 2)\{if(expn 1)continue;..\}
33. Consider the following program
main()
{
unsigned int i=10;
while(i>=0)
{
printf("%u",i)
i--;
}
}
How many times the loop will get executed
(a)10 (b)9 (c)11 (d) infinite
34.Pick out the odd one out
(a) malloc() (b) calloc() (c) free() (d) realloc()
35.Consider the following program
main()
{
int a[5]={1,3,6,7,0};
int *b;
b=&a[2];
}
The value of b[-1] is
(a) 1 (b) 3 (c) -6 (d) none
36. # define prod(a,b)=a*b
main()
{
int x=2;
int y=3;
printf("%d",prod(x+2,y-10));
}
the output of the program is
(a) 8 (b) 6 (c) 7 (d) None
37.Consider the following program segment
int n,sum=1;
switch(n)
{
case 2:sum=sum+2;
case 3:sum*=2;
break;
default:sum=0;
}
If n=2, what is the value of sum
(a) 0 (b) 6 (c) 3 (d) None of these
38. Identify the incorrect one
1.if(c=1)
2.if(c!=3)
3.if(a0)
{
x=func(i);
i--;
}
int func(int n)
{
static sum=0;
sum=sum+n;
return(sum);
}
}
The final value of x is
(a) 6 (b) 8 (c) 1 (d) 3
43. Int *a[5] refers to
(a) array of pointers (b) pointer to an array (c) pointer to a pointer (d) none of these
44.Which of the following statements is incorrect
(a) typedef struct new
{
int n1;
char n2;
} DATA;
(b) typedef struct
{
int n3;
char *n4;
}ICE;
(c) typedef union
{
int n5;
float n6;
} UDT;
(d) #typedef union
{
int n7;
float n8;
} TUDAT;
Q1. typedef struct{
char *;
nodeptr next;
} * nodeptr ;
What does nodeptr stand for?
Q2. What does. int *x[](); means ?
Q3. struct list{
int x;
struct list *next;
}*head;
the struct head.x =100
Is the above assignment to pointer is correct or wrong ?
Ans. Wrong
Q4.What is the output of the following ?
int i;
i=1;
i=i+2*i++;
printf(%d,i);
Ans. 4
Q5. FILE *fp1,*fp2;
fp1=fopen("one","w")
fp2=fopen("one","w")
fputc('A',fp1)
fputc('B',fp2)
fclose(fp1)
fclose(fp2)}
a.error b. c. d.
Ans. no error. But It will over writes on same file.
What are the output(s) for the following ?
Q6. #include
char *f()
{char *s=malloc(8);
strcpy(s,"goodbye")}
main()
{
char *f();
printf("%c",*f()='A');
}
Q7. #define MAN(x,y) (x)>(y)?(x):(y)
{
inti=10;j=5;k=0;
k= MAX(i++,++j)
printf(%d %d %d %d,i,j,k)
}
Ans. 10 5 0
Q8. a=10;b= 5;c=3;d=3;
if(a
show(int t,va_list ptr1)
{
int a,x,i;
a=va_arg(ptr1,int)
printf("\n %d",a)
}
display(char)
{
int x;
listptr;
va_star(otr,s);
n=va_arg(ptr,int);
show(x,ptr);
}
main()
{
display("hello",4,12,13,14,44);
}
Q10. main()
{
printf("hello");
fork();
}
Q11. main()
{
int i = 10;
printf(" %d %d %d \n", ++i, i++, ++i);
}
Q12. #include
main()
{
int *p, *c, i;
i = 5;
p = (int*) (malloc(sizeof(i)));
printf("\n%d",*p);
*p = 10;
printf("\n%d %d",i,*p);
c = (int*) calloc(2);
printf("\n%d\n",*c);
}
Q13. #define MAX(x,y) (x) >(y)?(x):(y)
main()
{
inti=10,j=5,k=0;
k= MAX(i++,++j);
printf("%d..%d..%d",i,j,k);
}
Q14. #include
main()
{
enum _tag{ left=10, right, front=100, back};
printf("left is %d, right is %d, front is %d, back is %d",left,right,front,back);
}
Q15. main()
{
inta=10,b=20;
a>=5?b=100:b=200;
printf("%d\n",b);
}
Q16. #define PRINT(int) printf("int = %d ",int)
main()
{< BR> intx,y,z;
x=03;y=02;z=01;
PRINT(x^x);
z<<=3;PRINT(x);
y>>=3;PRINT(y);
}
Q17. #include
main()
{
char s[] = "Bouquets and Brickbats";
printf("\n%c, ",*(&s[2]));
printf("%s, ",s+5);
printf("\n%s",s);
printf("\n%c",*(s+2));
}
Q18. main()
{
struct s1
{
char *str;
struct s1 *ptr;
};
static struct s1 arr[] = { {"Hyderabad",arr+1},
{"Bangalore",arr+2},
{"Delhi",arr}
};
struct s1 *p[3];
int i; < BR> for(i=0;i<=2;i++)
p[i] = arr[i].ptr;
printf("%s\n",(*p)->str);
printf("%s\n",(++*p)->str);
printf("%s\n",((*p)++)->str);
}
Q19. .main()
{
char *p = "hello world!";
p[0] = 'H';
printf("%s",p);
}
MICOSOFT PLACEMENT QUESTION WITH SOLUTION on c
MICROSOFT INTERVIEW QUESTION WITH SOLUTION on c
Sonata s/w PLACEMENT QUESTION WITH SOLUTION
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() < TRUE/FALSE>
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;i0)
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;< BR> 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
Sonata s/w INTERVIEW QUESTION WITH SOLUTION
ADITYA TECH. PLACEMENT QUESTION WITH SOLUTION
Write the programs for the following problems in C.
1. Swap two variables x,y without using a temporary variable.
2. Write algorithm for finding the GCD of a number.
3.Write a program for reversing the given string.
4. The integers from 1 to n are stored in an array in a random
fashion. but one integer is missing. Write a program to find the
missing integer.
Ans). Hint : The sum of n natural numbers is = n(n+1)/2.
if we subtract the above sum from the sum of all the
numbers in the array , the result is nothing but the
missing number.
5. Some bit type of questions has been given on pointers asking to
to find whether it is correct from syntax point of view. and if
it is correct explain what it will do.(around 15 bits).
SECTION-B
6. For the following C program
#define AND &&
#define ARRANGE (a>25 AND a<50)
main()
{int a = 30;
if (ARRANGE)
printf("within range");
else
printf("out of range");
}
What is the output?
7. For the following C program
#define AREA(x)(3.14*x*x)
main()
{floatr1=6.25,r2=2.5,a;
a=AREA(r1);
printf("\n Area of the circle is %f", a);
a=AREA(r2);
printf("\n Area of the circle is %f", a);
}
What is the output?
Ans. Area of the circle is 122.656250
Area of the circle is 19.625000
8. What do the following statements indicate. Explain.
int(*p)[10]
int*f()
int(*pf)()
int*p[10]
Refer to:
-- Kernighan & Ritchie page no. 122
-- Schaum series page no. 323
9. Write a C program to find whether a stack is progressing in forward
or reverse direction.
10. Write a C program that reverses the linked
ADITYA TECH. INTERVIEW QUESTION WITH SOLUTION
HCL PLACEMENT QUESTION WITH SOLUTION
1. Given the following statement
enum day = { jan = 1 ,feb=4, april, may}
What is the value of may?
4
(b) 5
(c) 6
(d) 11
(e) None of the above
2. Find the output for the following C program
main
{int x,j,k;
j=k=6;x=2;
x=j*k;
printf("%d", x);
3. Find the output for the following C program
fn f(x)
{ if(x<=0)
return;
else f(x-1)+x;
}
4. Find the output for the following C program
i=20,k=0;
for(j=1;j9 && Y++!=10 && Y++>10)
{printf("%d", Y);
else
printf("%d", Y);
}
Ans. 13
8. Find the output for the following C program
f=(x>y)?x:y
f points to max of x and y
b) f points to min of x and y
c)error
Ans. (a)
9. What is the sizeof(long int)
4 bytes
(b) 2 bytes
(c) compiler dependent
(d) 8 bytes
10. Which of the function operator cannot be over loaded
<=
(b) ?:
(c) ==
(d) *
11. Find the output for the following C program
main()
{intx=2,y=6,z=6;
x=y==z;
printf(%d",x)
}
Section C (Programming Skills)
Answer the questions based on the following program
STRUCT DOUBLELIST
{ DOUBLE CLINKED
INT DET; LIST VOID
STRUCT PREVIOUS; (BE GIVEN AND A PROCEDURE TO DELETE)
STRUCT NEW; (AN ELEMENT WILL BE GIVEN)
}
DELETE(STRUCT NODE)
{NODE-PREV-NEXT NODE-NEXT;
NODE-NEXT-PREV NODE-PREV;
IF(NODE==HEAD)
NODE
}
Q. In what case the prev was
All cases
(b) It does not work for the last element
(c) It does not for the first element
(d) None of these
Answer the questions based on the following program
VOID FUNCTION(INT KK)
{KK+=20;
}
VOID FUNCTION (INT K)
INT MM,N=&M
KN = K
KN+-=10;
}
Q. What is the output of the following program
main()
{ int var=25,varp;
varp=&var;
varp p = 10;
fnc(varp)
printf("%d%d,var,varp);
}
20,55
(b) 35,35
(c) 25,25
(d)55,55
HCL INTERVIEW QUESTION WITH SOLUTION
RAMCO sys. PLACEMENT QUESTION WITH SOLUTION
Find the output for the following C program
main()
{
char *p1="Name";
char *p2;
p2=(char *)malloc(20);
while(*p2++=*p1++);
printf("%s\n",p2);
}
Ans. An empty string
2) Find the output for the following C program
main()
{
intx=20,y=35;
x = y++ + x++;
y = ++y + ++x;
printf("%d %d\n",x,y);
}
Ans. 57 94
3) Find the output for the following C program
main()
{
int x=5;
printf("%d %d %d\n",x,x<<2,x>>2);
}
Ans. 5 20 1
4) Find the output for the following C program
< P>#defineswap1(a,b)a=a+b;b=a-b;a=a-b;
main()
{
intx=5,y=10;
swap1(x,y);
printf("%d %d\n",x,y);
swap2(x,y);
printf("%d %d\n",x,y);
}
int swap2(int a,int b)
{
int temp;
temp=a;
b=a;
a=temp;
return;
}
Ans. 10 5
5) Find the output for the following C program
main()
{
char *ptr = "Ramco Systems";
(*ptr)++;
printf("%s\n",ptr);
ptr++;
printf("%s\n",ptr);
}
Ans. Samco Systems
6) Find the output for the following C program
#include
main()
{
char s1[]="Ramco";
char s2[]="Systems";
s1=s2;
printf("%s",s1);
}
Ans. Compilation error giving it cannot be an modifiable 'lvalue'
7) Find the output for the following C program
#include
main()
{
char *p1;
char *p2;
p1=(char *) malloc(25);
p2=(char *) malloc(25);
strcpy(p1,"Ramco");
strcpy(p2,"Systems");
strcat(p1,p2);
printf("%s",p1);
}
Ans. RamcoSystems
8) Find the output for the following C program given that
[1]. The following variable is available in file1.c
static int average_float;
Ans. All the functions in the file1.c can access the variable
9) Find the output for the following C program
# define TRUE 0
some code
while(TRUE)
{
some code
}
Ans. This won't go into the loop as TRUE is defined as 0
10) Find the output for the following C program
main()
{
int x=10;
x++;
change_value(x);
x++;
Modify_value();
printf("First output: %d\n",x);
}
x++;
change_value(x);
printf("Second Output : %d\n",x);
Modify_value(x);
printf("Third Output : %d\n",x);
}
Modify_value()
{
return (x+=10);
}
change_value()
{
return(x+=1);
}
Ans. 12 1 1
11) Find the output for the following C program
main()
{
intx=10,y=15;
x=x++;
y=++y;
printf("%d %d\n",x,y);
}
Ans. 11 16
12) Find the output for the following C program
main()
{
int a=0;
if(a=0) printf("Ramco Systems\n");
printf("Ramco Systems\n");
}
Ans. Ony one time "Ramco Systems" will be printed
13) Find the output for the following C program
#include
int SumElement(int *,int);
void main(void)
{
int x[10];
int i=10;
for(;i;)
{
i--;
*(x+i)=i;
}
printf("%d",SumElement(x,10));
}
int SumElement(int array[],int size)
{
int i=0;
float sum=0;
for(;i
void main(void);
int printf(const char*,...);
void main(void)
{
inti=100,j=10,k=20;
-- int sum;
float ave;
charmyformat[]="ave=%.2f";
sum=i+j+k;
ave=sum/3.0;
printf(myformat,ave);
}
Q15) Find the output for the following C program
#include
void main(void);
{
int a[10];
printf("%d",((a+9) + (a+1)));
}
Q16) Find the output for the following C program
#include
void main(void)
{
struct s{
int x;
float y;
}s1={25,45.00};
union u{
int x;
float y;
} u1;
u1=(union u)s1;
printf("%d and %f",u1.x,u1.y);
}
Q17) Find the output for the following C program
#include
void main(void)
{
unsigned int c;
unsigned x=0x3;
scanf("%u",&c);
switch(c&x)
{
case 3: printf("Hello!\t");
case 2: printf("Welcome\t");
case 1: printf("To All\t");
default:printf("\n");
}
}
Q18) Find the output for the following C program
#include
int fn(void);
void print(int,int(*)());
int i=10;
void main(void)
{
int i=20;
print(i,fn);
}
void print(int i,int (*fn1)())
{
printf("%d\n",(*fn1)());
}
int fn(void)
{
return(i-=5);
}
Q19) Find the output for the following C program
#include
void main(void);
{
char numbers[5][6]={"Zero","One","Two","Three","Four"};
printf("%s is %c",&numbers[4][0],numbers[0][0]);
}
Q20) Find the output for the following C program
int bags[5]={20,5,20,3,20};
void main(void)
{
int pos=5,*next();
*next()=pos;
printf("%d %d %d",pos,*next(),bags[0]);
}
int *next()
{
int i;
for(i=0;i<5;i++)
if (bags[i]==20)
return(bags+i);
printf("Error!");
exit(0);
}
Q21) Find the output for the following C program
#include
void main(void)
{
inty,z;
intx=y=z=10;
int f=x;
float ans=0.0;
f *=x*y;
ans=x/3.0+y/3;
printf("%d %.2f",f,ans);
}
Q22) Find the output for the following C program
#include
void main(void);
{
doubledbl=20.4530,d=4.5710,dblvar3;
double dbln(void);
dblvar3=dbln();
printf("%.2f\t%.2f\t%.2f\n",dbl,d,dblvar3);
}
double dbln(void)
{
double dblvar3;
dbl=dblvar3=4.5;
return(dbl+d+dblvar3);
}
Q23) Find the output for the following C program
#include
static int i=5;
void main(void)
{
int sum=0;
do
{
sum+=(1/i);
}while(0
void main(void)
{
intoldvar=25,newvar=-25;
int swap(int,int);
swap(oldvar,newvar);
printf("Numbers are %d\t%d",newvar,oldvar);
}
int swap(int oldval,int newval)
{
int tempval=oldval;
oldval=newval;
newval=tempval;
}
Q25) Find the output for the following C program
#include
void main(void);
{
inti=100,j=20;
i++=j;
i*=j;
printf("%d\t%d\n",i,j);
}
Q26) Find the output for the following C program
#include
void main(void);
int newval(int);
void main(void)
{
int ia[]={12,24,45,0};
int i;
int sum=0;
for(i=0;ia[i];i++)
{
sum+=newval(ia[i]);
}
printf("Sum= %d",sum);
}
int newval(int x)
{
static int div=1;
return(x/div++);
}
Q27) Find the output for the following C program
#include
void main(void);
{
int var1,var2,var3,minmax;
var1=5;
var2=5;
var3=6;
minmax=(var1>var2)?(var1>var3)?var1:var3:(var2>var3)?var2:var3;
printf("%d\n",minmax);
Q28) Find the output for the following C program
#include
void main(void);
{
void pa(int *a,int n);
int arr[5]={5,4,3,2,1};
pa(arr,5);
}
void pa(int *a,int n)
{
int i;
for(i=0;i
void main(void);
void print(void);
{
print();
}
void f1(void)
{
printf("\nf1():");
}
Q30) Find the output for the following C program
#include "6.c"
void print(void)
{
extern void f1(void);
f1();
}
static void f1(void)
{
printf("\n static f1().");
}
Q31) Find the output for the following C program
#include
void main(void);
static int i=50;
int print(int i);
void main(void)
{
static int i=100;
while(print(i))
{
printf("%d\n",i);
i--;
}
}
int print(int x)
{
static int i=2;
return(i--);
}
Q32) Find the output for the following C program
#include
void main(void);
typedef struct NType
{
int i;
char c;
long x;
} NewType;
void main(void)
{
NewType *c;
c=(NewType *)malloc(sizeof(NewType));
c->i=100;
c->c='C';
(*c).x=100L;
printf("(%d,%c,%4Ld)",c->i,c->c,c->x);
}
Q33) Find the output for the following C program
#include
void main(void);
const int k=100;
void main(void)
{
int a[100];
int sum=0;
for(k=0;k<100;k++)
*(a+k)=k;
sum+=a[--k];
printf("%d",sum);
}
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