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MOST ASKED TECHNICAL QUESTIONS FOR IBM (part 2 of 5)

PART 2 TECHNICAL QUESTIONS SET

here`s part 1 if u havent read

Q Which of the following API is used to hide a window

a) ShowWindow

b) EnableWindow

c) MoveWindow

d) SetWindowPlacement

e)None of the above

Ans) a

Q enum number { a=-1, b= 4,c,d,e} what is the value of e ?
a)6
b)7
c)8
d)9
ans b

Q PS1 pwd

export PS1 results in

a). your primary prompt being your current directory

b). " " and secondary prompts being the current dir

c). " " prompt being your home dir

d). " " and secondary prompts being the home dir

e). None of the above.
ans a

Q In the process table entry for the kernel process, the process id value is

a) 0
b) 1
c) 2
d) 255
e) it does not have a process table entry

Ans) a

Q + means * and * means / and / means % what is the value of 2+3*5/7
ans 1.2


18)What will be the result of the following program?

main()

{

char p[]="String";

int x=0;



if(p=="String")

{

printf("Pass 1");

if(p[sizeof(p)-2]=='g')

printf("Pass 2");

else

printf("Fail 2");

}

else

{

printf("Fail 1");

if(p[sizeof(p)-2]=='g')

printf("Pass 2");

else

printf("Fail 2");

}

}



a) Pass 1, Pass 2

b) Fail 1, Fail 2

c) Pass 1, Fail 2

d) Fail 1, Pass 2

e) syntax error during compiation


19)In the following code segment what will be the result of the function,

value of x , value of y



{

unsigned int x=-1;

int y;

y = ~0;

if(x == y)

printf("same");

else

printf("not same");

}



a) same, MAXINT, -1

b) not same, MAXINT, -MAXINT

c) same , MAXUNIT, -1

d) same, MAXUNIT, MAXUNIT

e) not same, MAXINT, MAXUNIT

Ans) a

20)what will the following program do?

void main()

{

int i;

char a[]="String";

char *p="New Sring";

char *Temp;

Temp=a;

a=malloc(strlen(p) + 1);

strcpy(a,p); //Line no:9//

p = malloc(strlen(Temp) + 1);

strcpy(p,Temp);

printf("(%s, %s)",a,p);

free(p);

free(a);

} //Line no 15//



a) Swap contents of p & a and print:(New string, string)

b) Generate compilation error in line number 8

c) Generate compilation error in line number 5

d) Generate compilation error in line number 7

e) Generate compilation error in line number 1

Ans) b

Q What is the result

main()

{

char c=-64;

int i=-32

unsigned int u =-16;

if(c>i){

printf("pass1,");

if(c

printf("pass2");

else

printf("Fail2");}

else

printf("Fail1);

if(i

printf("pass2");

else

printf("Fail2")

}

a)Pass1,Pass2

b)Pass1,Fail2

c)Fail1,Pass2

d)Fail1,Fail2

e)none

(Ans is c)

Q Result 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);

}

}

a)0,5,9,13,17

b)5,9,13,17

c)12,17,22

d)16,21

e)syntax error

(Ans is d )

Q what will be the result of the following program ?

char *gxxx()

{

static char xxx[1024];

return xxx;

}



main()

{

char *g="string";

strcpy(gxxx(),g);

g = gxxx();

strcpy(g,"oldstring");

printf("The string is : %s",gxxx());

}

a) The string is : string

b) The string is :Oldstring

c) Run time error/Core dump

d) Syntax error during compilation

e) None of these

Ans) b

Q) Result 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);

}

}

a)0,5,9,13,17

b)5,9,13,17

c)12,17,22

d)16,21

e)syntax error

ans e or d

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