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Software Companies Placement Papers- -Free Download

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key constraints are .....for...
(a) secondary key
(b) primary key
(c) foreign key
.
If a sinusoidal signal of 1100Hz is flat top sampled at a rate of 1800Hz,& this signal is passed through an ideal LPF with cutoff 1KHZ,the o/p contains the following frequency components: (This question was repeated again in the same paper

TRAP is _____interrupt
(a)synchronus
(b)asynchronus
(c)hardware

When the instruction RST is executed, the control jumps to location:
(a)0020
(b)0024
(c)0028
(d)none of the above

A memory cell in static Random Access Memory is made up of:
(a)6 mos transistors---ans
(b)1 mos transistor and 1 capacitor
(c)4 mos transistors and 2 capacitors

Worst case algorithm is meant for the case
(a)when sometimes favourable
(b)when worst unfavourable
.
A semaphore with negative count n(s=n) has how many processes in the Q?
(a)0
(b)n
(c)n+1
(d)n-1

If in a PCM system the no of bits used is increased from n to n+1,the signal-to-noise ratio improves by
(a)3dB
(b)6dB
(c)20ndB
(d)24ndB

2 trains of length 110m & 90 m travelling at 45kmph & 50 kmph respectively..when will they pass each other?
(a)144mins
(b)102mins
.
From a circular sheet of radius 10cm , 40% is cut off & from the remaining portion a cone is constructed, what is the ratio of the radius of the cone to its height?

If a vessel contains 56 litres of a mixture of milk & water in the ratio 3:2..what amount of water should be added to make the ratio 4:5?

2 pipes fill a cistern in 12 mins,pipe A is 3 times faster than pipe b...if only pipe B has to fill the cistern ,how long will it take?
(a)1hour
(b)2hours
.
#define ADD(X,Y) X+Y
main()
{
#undef ADD(X,Y);
fun();
}
fun()
{
int y=ADD(3,2);
printf("%d",y);
}
o/p?
Runtime error(linker error): _add undefined in module
Which of the following is illegal
(a)void v;
(b)void *v;
(c)void **v;
(d)all are legal
#define int INTEGER/*line1*/
#define INTEGER int/*line 2*/
main()
{
INTEGER p=10;/*line 5*/
printf("%d",p);
}
o/p?
(a) compiler error at line 1
(b) compiler error at line 2
(c) compiler error at line 5
(d) No error,prints 10
ans:c
main()
{
int counter=1;
for(;;)
{
counter++;
if(counter>9)
break;
}
}
in the above program
(a)error b'coz for should have parameters
(b)error bcoz 2 semicolons in a for loop are invalid
(c)no error,loop is executed once
(d) no error ,loop is executed 10 times
main()
{
char str={'H','E','L','L','O','\0'}
printf("%s/n",str+1);
}
o/p?
(a)prints ELLO
(b)prints HELLO
(c)prints ILLO (i.e.'H' is incremented by 1)

The average temperature for monday,wednesday,thursday was 46 o C.the average temperature fortuesday,wednesday,thursday,friday was 48(some no)..if temp on monday was 42 o C,what is the temperature on tuesday?
(a)32
(b)36
(c)37
(d)3....

The average marks of 12 students was found to be......(some no)...it was later found that while entering the data , it had been entered as 74 instead of 50...and 20 instead of 24(nos are not the same)...what is the correct average?

If a lady bought a house & sold it at 25% more than what she had paid after 3 years, she has to pay 50%tax on the gain...If C is the cost price,(gain=s.P-c.p),what tax did she have to pay?


Some no of men(given)..complete a work in (given) no of days...after (some no) of days ..some more(given no) men join them,they will finish the work in how many days?

If a car travels from A to B at a speed of 'x' kmph & travels back from B to A at 4/5th the speed,then the total distance travelled in terms of percentage of x is?
(a)2400km
(b)3600km

A question on malloc
int *p;
p=malloc(sizeof(int)*5);
if malloc returned the address 1000;the value of p+1 is
(a)1002
(b)1004

cascade amplifier is:
(a)a common emitter stage followed by a common base stage
(b)a common base followed by emitter follower
ge
A network has 7 nodes & 5 independent loops,the no of branches=?
(a)11
(b)14
(
Many nodes transmit at the same time .....collision occurs...retransmit.....what is this called?

(c)collision.....enforcement

If the characteristic impedance of a transmission line is 50ohms,at 1 end the impedance is +j50 ohms,the VSWR =?
(a)0
(b)infinity
(c)+j
(d)+1
Minimum no of NAND gates required to realize the boolean eqn: Z=ABC?
(a) 4
(b) 6

It has been found that mercury poisoning due to industrial pollution causes Hobson's disease. An island R is completely away from modern industry.People here follow subsistence agriculture method. A high % of people in Island R are affected by Hobsons disease.From the above paragraph, we can deduce
(i) there must be another reason for Hobson's disease other than mercury posoning
(ii) mercury poisoning can be due to other reasons than industrial pollution
(iii)....
(a) i only
(b)ii only
(c) i ,ii, iii
(d) i and ii
fun()
{
int counter=1;
counter++;
if(counter>10)
fun();
}...(some program similar to this one). the program will be executed infinetely--ans
Which of these are legal?
i.a pointer to a function
ii.a pointer to a structure
ii.pointer to union
(a)i only
(b)i and ii
(c)i,ii &iii
(d)ii &iii
Union..
{
int ivalue;
char lvalue;
struct boo
{
int ivalue;
char lvalue;
}databook;
};
(a)error as struct within union is not allowed
(b)error as struct members have same name as union members
(c)...
(d).....
How many stacks are there in DOS?
(a)1 stack
(b)2 stacks
(c)3 stacks
(d)...
What is the o/p?
main()
{
char arr[5]={'a','a','b','c','d','e'};
printf("%s",arr);
}


What is a Real-Time System ?

What is the difference between Hard and Soft real-time systems ?

What is a mission critical system ?

What is the important aspect of a real-time system ?

Explain the difference between microkernel and macro kernel.

Give an example of microkernel.Why paging is used ?

Which is the best page replacement algo and Why ?

What is software life cycle ?

How much time is spent usually in each phases and why Which one do U want to work if selected in Honeywell ?

Which are the different types of testing ?

What is a distributed system ?

Some questions about CSP.

Which languages do yo uknow ?

What are the differences between Pascal and C.

Questions from Compiler construction and Lisp.

Which are the different computer architecture?

What is the requirement in MIMD ?

What is the difference between RISC and CISC processors ?

Difference between loosely coupled and tightly coupled systems ?

What is an open system?


Paper Pattern

100 questions : 100 minutes.
The questions were from many subjects.
They are DBMS - 10 to 15 questions (Dont remember in exact figures)
C and DS - 10 to 15
Microprocessors - 10 to 15
Computer networks (the same no:)
Operating systems
General Aptitude 20 questions.

There was no verbal or verbal reasoning and any GDs

Some questions I remember:
1) A relation to be in 3rd normal form is in _ normal form

2) How can u increase ports of a microprocessor? (8251,8255,8253 and 1 more option)

3) What is 8253?(USART,DMA,programmable interrupt controller and one more)

4)8255?

5)How many bits microprocessor was first developed?(8 bit)

6)In a 3 bit instruction middle bit is (operand ,operator n ................)

7)Which of the following is IPv6 addressing?

8)In Which of the following layers SMTP is used?

9)About transport layer

10)To select records from a relation where primary key is ename and ename starts with "p"

11)small c logical questions

12)apti mostly from profit and loss

13)1 heights and distance prob

14)1 prob on true discount

15)Brouter is hybrid of?

The aptitude questions are really very easy u can solve them easily.
There was an overall cutoff of 52 marks ofcoz they didnt announce officially.
Coming to technicals you must be through with ur basics. All basics.
Frends I have got sleected in the written test.Next day i had interview.

About interview.
2 techinical rounds
the questions were like

1st technical (1 person)

1) Rate ur self in C and DS and C++
2) About linked lists(programs)
3) About sortings(logics)
4) About Normalization.
5) y do we need denormalization?
6) What are bitfeilds in C?
7) Probrams of linear search and binary search.

for somebody they asked about there project also but they didnt ask me.

2nd technical (A 2 member Panel)

1) C and Ds questions.(enum types)
2) Difference between structure and Union
3) Linked lists declarations
4) Difference between C and Java(coz i mentioned Java in my resume)
5) Say Some thing about data structures
6) What r oops principles?
7) How does an OS manage memory?
8) About AWI(java)
9) Regarding garbage collection.
10) Can we clear memory explicitly?If so how?Write a stmt for such an action.
11) exceptions
and many more.

I had my HR on the very same day.
It was kool. They asked me
Say me about ur academic profile
1) Difference between CSE and IT?
2) Why honeywell?
3) Package u desire?
4) Have u attended any other compnaies?
5) Family background?
6) Willingness to relocate and sign for bond?
7) R you ready to work in Madurai
8) Highest position u desire for?

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