REC

 

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
c)both a & b;
d)none

ans b

42)main()
{
int i;
i=2300*10+20+1900*0;
printf("%d",i);
}
a)0
b)-320000
c)230020


ans c


43)main()
{
int arr[5]={2,4};
printf("%d %d %d n",arr[2],arr[3],arr[4]);

}

44)main()
{
struct e{
char name[20];
int a;
float b;
};
struct e ast={"Hell"};
print("%d %f n",ast.a,ast.b);
}

45) what is the depth of a tree?
46. what is LAN?
47. what does modem do?
48. which data structure is not dynamic?

the aptitude section has 30 questions in 25 min.I
can't give you
the exact questions but tell you the pattern.
1. Rearranging the jumbled sentences in right order -
2. QUESTIONS each containing around 4 sentences
3. Pick the odd one out - 3 QUESTIONS
4. Passage questions-2
5. Series question -1 : 1,2,6,15,31,_ Ans:56
6. Antonyms (opposites): - 2
7. Analogies : - 2
8. Sentence completion - 2
9. Coding -2 Question .
for Ex-if OCTOBER IS something like 2367589
then TOBOCER IS ..........
10.ccdic corresponds to delhi then bombay corresponds
to

11.many questions on reading comprehension.(LOOK UP
BARRON AS WELL
AS IMS
CAT MATERIAL)

12.ANALYTICS
like
1.CACTUS GROW IN DESERTS
2.CACTUS HAVE THICK LEAVES.
3.DESERT PLANT HAVE THICK LEAVES.
does the third sentence concludes the first two.