cisco

20 questions - analytical

40 questions - system concepts and c.





analytical section.



1.12 quantative questions

2.4 meanings

3.4 matching(like goat::rat)



1.what is the length of the largest diagonal in a cube of 1unit.

ans:2*sqrt(3).



2.if 0
ans:s>-1 and t>-1



3.one of the digits of a two digit number is 6,whose sum is half of there

product and whose product of the half of the reverse order number.what is

the number.

ans:63



4.how many times 0.01 is larger than (0.0001)*(0.0001)

ans:10**6.



5.a train of length 200mts is moving with a velocity of 100km/hr towards

east.a car is comming with a velocity of 72km/hr in the opposite

direction.how much time the car takes to cross the train.



6.canibalism-



7.humino::static

ans:human::--



8.concrete::abstract

ans:matter::mind



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9.elevator-above



10.ramesh,robert,ravi,rahul r doing newpaper business.....

ans:ramesh,either ravi/rahul



system concepts:



1.int a[5,6]

how much memory will be allocated



2.char p[6];

char *d[10];

ans:d=(char*)p



3.using LFU algorithm,how many page faults will occur of the pages r

1,2,1,3,4.

ans:1,4



4.in which layer the bridges r used.

a)data link layer

b)session layer

c)physical layer

d)network layer



5.#define d 10+10

main()

{ printf("%d",d*d);

}



6.in a complete binary tree if the number of levels r 4 then the number of

nodes will be,



7.if we delete a node from a balanced binary tree,how can we retain the

properties of balanced binary tree.

ans: by rotation at the nodes.



8.in a k-way search tree with N keys, the number of node/no. of leaves=



9.s->A0B

A->BB|1

B->AA|0

how many string can be constructed with length 5.



10.in which of the following regular expression the srting contains

atleast 2 concetive 1's.

ans:(0+10)*||(0+1)*

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11.int i,j=1;

for(i=0;i<10;i++);

{

j=j+1;

}

printf("%d %d",i,j);



ans:10 11



12.static char *i;

i=malloc(sizeof(char));

find the error;

ans:malloc returns void



13.virtual memory address capacity depends on—



14.main()

{ int i=1;

fork();

fork();

fork();

printf("%d",i);

}

how many times i will be printed

ans:8



15.question on threads



16.int i=0xaa

char *p;

p=(char *)i;

p=p>>4;

printf("%x",p);

ans:0x000000a;

17.union

{ char *p;

int i;

char b;

}

main()

{

--

p=(char*)malloc(8*sizeof(char));

}

what is the size of union?



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18.enum{sunday=-1,monday,...saturday}

printf("%d %d",sizeof(wednesday),wednesday);



19.struct x{

struct{

struct{

char ch;

} x;

}};

ans:definition wrong



20.struct *s;

s=(struct *)malloc(10*sizeof(struct)+90*sizeof(int));

free(s);

ans:total memory deallocated



21.one alogrithm is given:

ans:10395



22.func ()

{ int x=1;

if(x=1)

x=1000;

else

x=10;



return x;

}

what is the return value?

ans:1000