Wipro campus Drive

the first section has 15 questions and 15 min.to

answer them.they

are very simple. just have a look at the topics

mentioned.

don't bank on the answers provided.check them out for

yourself.

1.a+b/c*d what will be its postfix notation?

2. what will be the prefix notation of the above

___expression?

3. to represent hexadecimal number in binary how many

digit are

required?

ans : 4

4.decimal to octal conversertion?

5.unix is written in which language?

6.which generation of computer used LSI?

7.TCP/IP has how many layers? ans : 5

8and9 simple programs on c language?

10 which name is associated with punched cards?

ans: herman

hollerith

11 which program converts mnenomics into machine

language? ans :

assembler

12 what are the uses of the registers of the computer

used for?

13 one question from database.

14 which has a compiler ? ans:cobol

15 what is the size of an integer type data?one option

was

.depends on compiler.

16.area where program can be rewritten.

ans-Eprom.

17.program which can be read &written.

ans-prom.

18.how does the user communicates with the kernel.

ans-API.

19.Two ques. on binary to decimal.

(1)5.125

ans-101.001.

(2)17625

20.question on QUICK SORT

21.Best sorting is same as worst sorting (Ans: HEAP

SORT)

22.Last 8 bits are used for subnet masking for which

classes Ans:CLASS A,B,C

23.What is the tool which connects user and computer -

ANS: INTERPRETER

24.Question on access time and recovery time

25. Question on call by value,call by reference, call

by lvalue and rvalue

26. Question on Binary tree

27) Which of the following languages needs compiler

a. """This option i don't remember:) :)"""

b. LISP

c. COBOL

d. ORACLE

Ans. ORACLE

28) which of the following has the direct connection

with the

operating system?

Ans. Process Scheduler

29) Which of the following connects LANS with same

protocol?

Ans. BRIDGES

30) Octal equivalent of (176) base 10 is

Ans. 260

31) Dialouges Sharing is done in which layer of OSI?

Ans. Session layer

32) Arithmatic and Logic calculations are done in

which Register

of

the microprocessor?

Ans. Accumulator

33)Give the output of the C program..

main()

{

int i=10,j;

for(j=0;j<1;j++)

{

int i=20;

printf("%d",i);

}

printf("%d",i);

}

a. 10,10

b. 10,20

c. Garbage Value

d. Multiple declaration error

Ans. 10,20

34)Give the output of the C program..

main()

{

int i;

printf("%d",i);

}

extern int i=20;

a. 20

b. 0

c. Error

d. Garbage Value

Ans. Garbage Value

35.identify two level logic gate

1.nand

2.ex or

3.inverter

ans:nand

36.if there 6 inputs to or gate how many combination

possible

1.2

2.32

3.64

ans-64

37.Identify error

main()

{

int n=6;

print("%d",n)

;

}

ans -no error

38.a hexadecimal odumeter reads 53F.What is next

reading?

1.532

2.53f

3.530

ans-530

39.one question on lower triangular matrix.Don't

remember fully

40.one question on sparse matrix.SAme don't remember

41.Tcp/ip is

a)connectionless

b)connection oriented

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