-
an lead compensator zero is at Z=Zc, pole is at P=Pc then the following is
correct
a. Pc > Zc, pc< 0, zc< 0
b.
c.
-
gain margin of g(s)h(s)=1/s(s+k);
a. sqrt(1+k2)
b. 0
c. infinity
d. 1
-
machestor code does not
improves
a. clock recovery
b. bandwidth efficiency
c.
-
possion distribution is used for
a. used in FSM
b.
c.used for queuing delay system of mutually identical events of arrival
d. both a and c
-
no.of filpflops for mod 11 counter
a. four
b. five
c.
-
no.of filpflops for mod 11 counter
a. four
b. five
c.
-
if even parity is used for parity generation, what is the hamming distance
(simple fig is given) ans:2
-
the code set is {00000,00111,11100,11011} what is the error detecting and
correcting capability?
ans:2,1
-
operational amp characteristics following is
correct:
1. input impedance is 0
2. output impedance is infinity
3. input impedance is infinity
4. gain is infinity which combinations are correc
-
band pass signal having frequencies 2.5k and 4.5k?give the sampling freq
a. 9k
b. 4k
c. 4.5k
d. 7k
-
definition of avalanche diode multiplication
-
more no of ripples are present in the diagram?which is
correct
a. lower order filter
b. high order filter
c.
-
If CPU have one interrupt pin and on to connect with external devices with
some priority? which type of the following is used?
a. parallel priority interrupt
b. daisy chain
c. RS filpflop
d.
-
one megabit file transfer, serially on 9600 baud one start bit and two stop
bits, then how much time it takes (approx)
a. 4 hours
b. 2 hours
c. 20 minutes
d. 2 minute
-
IEEE 802.5 is ans: TOKEN RING
-
Code sequence is given what is the error correcting distance
-
bit stuffing used in HDLC Protocol for ans: b is correct(read on text
book)
-
If "AaBbCc" is passed to the char
char x(*a)
{
a[0]?x(a+1):1;
printf("%c",a[0]);
return 1;
} what will be the output?
-
f(*p)
{
p=(char *)malloc(6);
p="hello";
return;
}
main()
{
char *p="bye";
f(p);
printf("%s",p);
}
what is the o/p? ans:bye
-
when the program counter is incremented in the instruction cycle
a. fetch cycle
b. int cycle
c. execuation cycle
d.
-
two sorted lists of n elements will take at least fine the order of
complexity?
a. 2n
b. n/2
c. square(n)
-
logic diagram is given? find the expression ans: OR gate
-
question on JAVA string ans: string ends without a null character
-
cache access time is 100ns. main memory access time is 1000ns, hit ratio is
.9, find mean access time?
ans :200ns
-
which is not suitable to find out IP address ans:ARP
-
about deadlock condition
-
convert 41.6875 into binary
-
read about IP AND IPX
-
read about NFS
-
DHCP is
a. for routing
b. for network address
conversion
c. for diagnosis
d.
-
execution phase can be
a. pipelined
b. no parallelism is possible
c. vector processing
d.
-
In public key algorithm , A wants to send message to B ..... which key is
used
a. A public key
b. A private key
c. B public key
d. B private key
-
to prevent replay attacks in transmission
a. symmetric encoding
b. Asymmetric encoding
c. for every exchange, key should be changed
-
irtual functionality is used in C++
a. dynamic binding
b. if the derived func is present but base class not
present
c.
-
if there are n nodes in a binary tree, how many null pointers are there
ans:n+1;
-
if heap sort contains n elements, no of comparsions required are
a. log(n)
b. height of heap sort
c.
d.
-
question on ICV(integrity check)
-
which of the following is efficient in terms of space
a. insertion sort
b. quick sort
c. selection
d. both a and c
-
in 32 bit representation, the range of numbers in 2's complement form
ans :-2 to the power of 31 to 2 to the power of 31 minus 1
-
about normalization
-
socket is implemented in TCP Layer. which of the following is related to TCP
layer
ans: port number
-
in reentrant procedure, which should be not used for passing
parameters?
a. passed by reg
b. by direct
c. by indirect
d. by stack
-
flow control is used for
a. congestion at receiver
b.
c.
d.
-
flow control is used for a. congestion at receiver
b.
c.
d.
-
5 questions on DBMS are there
-
in global static variable , declartion in a file
a. localization of scope
b. persistance of the value through out the
file
c.
d.
-
in sorted table contains elements , which of the searching is false
a. hash table
b. binary searching
-
in demand paging overhead of context switching is more due to
a. copy processes from disk to memory
b. viceversa
c. to get associative table
d. swapping to the disk
-
when write through is better than write back(related to cache memory)
-
which is false when normalization is used?can't express
-
I :verification: are we doing right product
II: validation:are we doing product right
a.
i and ii are
true
b. i and ii are false
c. i true and ii false
d. i false and ii true
-
A table contains less than 10 elements which one is fastest
a. bubble sort
b. selection sort
c. quick sort
-
about subroutine, precondition is false. what about post
condition
a. post condition is not defined
b. post condition is always true
c.
d.
-
When static variables are used, which one of the following is not possible?
a. dynamic run time
b.
c.
-
in product of x and y,
if(x=0|y=0)
y=1;
else
y=0;
(not cleared)
what is cyclometric complexity?
a. 3
b. 2
c. 1
d. 0
-
CREATE TABLE NEW AS SELECT BIG FROM EMP
The above SQL statement is correct or not?
(question is not cleared)
-
path testing is
a. white box
b. black box
c. installation test
d. environment
test
-
program is given?
above algorithm represents what type of search?
a. binary search
b. interpolation search
c. sequential search
d. (may be "b" is correct);
-
if x->y in a relation R, x1 and x2 are in x, y1 and y2 are in y (question
not cleared), about functional dependancy
a.x1=x2 and y1=y2
b.
c.
-
in a down loading from website ,which one is correct? ans: check the byte
code and indicate the error, if any.
-
about UDP one Address is given but that is not the state table what will it
do the packet
a. packet is discarded
b. packet is sent to ethernet server
c. packet is sent to other address
d.
-
in associated memory for fast accessing which one is
used
a. single linked list
b. double "
c. hash table
d.
