Please share your views guys: -
1. A hierarchical memory system
that uses cache memory has cache access time of 50 nano seconds, main memory
access time of 300 nano seconds, 75% of memory requests are for read, hit ratio
of 0.8 for read access and the write-through scheme is used. What will be the
average access time of the system both for read and write requests ?
A. 157.5 n.sec.
B. 110 n.sec.
C 75 n.sec.
D. 82.5 n.sec
2: For switching from a CPU user
mode to the supervisor mode following type of interrupt is most appropriate
A. Internal interrupts
B. External interrupts
C. Software interrupts
D. None of the above
3: In a dot matrix printer the time to print a
character is 6 m:sec., time to space in between characters is 2 m.sec., and the
number of characters ina line are 200. The printing speed of the dot matrix printer
in characters per second and the time to print a character line are given by
which of the following options?
A. 125 chars/second and 0.8 seconds
B. 250 chars/second and 0.6 seconds
C. 166 chars/second and 0.8 seconds
D. 250 chars/second and 0.4 seconds
4: Match the following 8085
instructions with the flags:
List - I List - II
a. XCHG i. only carry flag is affected.
b. SUB ii. no flags are affected.
c. STC iii. all flags other than carry
flag are affected.
d. DCR iv. all flags are affected.
a b
c d
A. iv i iii
ii
B. iii ii i iv
C. ii iii i iv
D. ii iv i iii
5: How many times will the following loop be
executed?
LXI
B, 0007 H
LOP: DCX B
MOV
A,B
ORA
C
JNZ LOP
A. 05
B. 07
C. 09
D. 00
6: Specify the contents of the accumulator and
the status of the S, Z and CY flags when 8085 microprocessor performs addition
of 87 H and 79 H.
A. 11, 1 ,1 ,1
B. 10, 0 ,1 ,0
C. 01, 1, 0, 0
D. 00, 0, 1, 1
7: Location transparency allows :
I. Users to treat the data as if
it is done at one location.
II. Programmers to treat the data
as if it is at one location.
III. Managers to treat the data
as if it is at one location.
Which one ofthe following is
correct ?
A. I, II and III
B. I and II only
C. II and III only
D. II only
8: Which of the following is
correct?
I. Two phase locking is an
optimistic protocol.
II. Two phase locking is
pessimistic protocol
III. Time stamping is an
optimistic protocol.
IV. Time stamping is pessimistic
protocol.
A. I and III
B. II and IV
C. I and IV
D. II and III
9: ------------------ rules used
to limit the volume of log information that has to be handled and processed in
the event of system failure involving the loss of volatile information.
A. Write-ahead log
B. Check-pointing
C. Log buffer
D. Thomas
10: Let R = ABCDE is a relational scheme with
functional dependency set F = {A -> B, B ->C,AC -> D}. The attribute
closures of A and E are
A. ABCD, Ø
B. ABCD, E
C. ɸ , Ø
D. ABC, E
11: Consider the following statements:
I. Re-construction operation used
in mixed fragmentation satisfies commutative rule.
II. Re-construction operation
used in vertical fragmentation satisfies commutative rule
Which of the following is
correct?
A. I
B. II
C. Both are correct
D. None of the statements
are correct.
12: Which of the following is
false?
A. Every binary relation
is never be in BCNF.
B. Every BCNF relation is in
3NF.
C. 1 NF,2 NF, 3 NF and BCNF
are based on functional dependencies.
D. Multivalued Dependency
(MVD) is a special case of Join Dependency (JD)
13: Which of the following
categories of languages do not refer to animation languages?
A. Graphical languages
B. General-purpose languages
C. Linear-list notations
D. None of the above
14: Match the following:
List- I List- II
a. Tablet, Joystick i Continuous devices
b. Light Pen, Touch Screen ii.
Direct devices
c. Locator, Keyboard iii. Logical devices
d. Data Globe, Sonic Pen iv. 3D interaction wires
a
b c d
A. ii i
iv iii
B. i iv
iii ii
C. i ii
iii iv
D. iv iii
ii i
15: A technique used to
approximate halftones without reducing spatial resolution is known as ----
A. Halftoning
B. Dithering
C. Error diffusion
D. None of the above
16: Consider a triangle represented by A(0, 0),
B(1, 1), C(5, 2). The triangle is rotated by 45 degrees about a point P( -1,
-1). The co-ordinates of the new triangle obtained after rotation shall be
A. A'(-1, √2 -1), B'(-1,
2√2 - 1), C'((3/2)√2 - 1, (9/2)√2 - 1)
B. A'(√2 -1,- 1), B'( 2√2 -
1, -1), C'((3/2)√2 - 1, (9/2)√2 - 1)
C. A'(-1, √2 -1), B'(2√2 -
1, -1), C'((3/2)√2 - 1, (9/2)√2 - 1)
D. A'(-1, √2 -1), B'( 2√2 -
1, -1), C'((9/2)√2 - 1, (3/2)√2 - 1)
17. In Cyrus-Beck algorithm for
line clipping the value of t parameter is computed by the relation: (Here P1
and P2 are the two endpoints of the line, f is a point on the boundary, ni is
inner normal)
Answer is B
18: Match the following :
a. Cavalier Projection i. The direction of projection is
chosen so that there is no foreshortening of lines perpendicular to the xy plane.
b. Cabinet Projection ii. The direction of projection
is chosen so that lines perpendicular to the xy planes are foreshortened by half their lengths.
c. Isometric Projection iii.
The direction of projection makes equal angles with all of the principal
axis.
d. Orthographic Projection iv. Projections are characterized by the
fact that the direction of projection
perpendicular to the view
plane.
a b
c d
A. i iii iv
ii
B. ii iii i iv
C. iv ii iii
i
D. i ii iii
iv
19: Consider the following statements S1, S2 and
S3 :
S1 : In call-by-value, anything
that is passed into a function call is unchanged in the caller's scope when the
function returns.
S2: In call-by-reference, a
function receives implicit reference to a variable used as argument.
S3: In call-by-reference, caller
is unable to see the modified variable used as argument.
A. S3 and S2 are true
B. S3 and S1 are true.
C. S2 and S1 are true.
D. S1, S2, S3 are true.
20: How many tokens will be generated by the
scanner for the following statement?
x = x * (a+b) - 5;
A. 12
B. 11
C. 10
D. 7
21: Which of the following statements is not true?
A. MPI_lsend and MPI_Irecv
are non-blocking message passing routines of MPI.
B. MPI_lssend and MPI_Ibsend
are non-blocking message passing routines of MPI.
C. MPI_Send and MPI_Recv
are non-blocking message passing routines of MPI.
D. MPI_Ssend and MPI_Bsend
are blocking message passing routines of MPI.
22: The pushdown automation M = ( {q0, q1,
q2}',{a, b}, {0, 1}, δ, q0,0, {q0}) with
δ (q0, a, 0) = {(q1,10)}
δ (q1,a, 1) = {(q1,11)}
δ (q1,b, 1) = {(q2 , λ)}
δ(q2 , b, 1) = {(q2 , λ)}
δ (q2 , A, 0) = {(q0, λ)}
Accepts the language
A. L= {anbml
n,m >=0}
B. L= {anbnl
n >=0}
C. L= {anbml
n,m >0}
D. L= {anbnl
n >0}
23: Given two languages:
L1= {(ab)n,ak I n> k, k
>=0}
L2 = {an bm l n ≠ m}
Using pumping lemma for regular
language, it can be shown that
A. L1 is regular and L2 is not
regular.
B. L1 is not regular and L2 is
regular.
C. L1 is regular and L2 is
regular.
D. L1 is not regular and L2 is
not regular.
24: Regular expression for the complement of
language L = {an bm I n ≥ 4, m ≤ 3} is
A. (a + b)* ba(a + b)*
B. a* bbbbb*
C. (λ + a + aa + aaa)b* + (a +
b)* ba(a + b)*
D. None of the above
25: For n devices in a network,
____ , number of duplex-mode links are required, for a mesh topology.
A. n(n + 1)
B. n(n - 1)
C. n(n + 1) /2
D. n(n - 1)/2
26: How many characters per
second (7 bits + 1 parity) can be transmitted over a 3200 bps line if the
transfer is asynchronous? (Assuming 1 start bit and 1 stop bit)
A. 300
B. 320
C. 360
D. 400
27: Which of the following is not
a field in TCP header?
A. Sequence number
B. Fragment offset
C. Checksum
D. Window size
28: What is the propagation time
if the distance between the two points is 48,900 ? Assume the propagation speed
to be 2.4 x 108 metre/second in cable.
A. 0.5 ms
B. 20 ms
C. 50 ms
D. 200 ms
29: ----------- is a bit-oriented
protocol for communication over point-to-point and multipoint links.
A. Stop-and-wait
B. HDLC
C. Sliding window
D. Go-back-N
30: Which one of the following is
true for asymmetric-key cryptography?
A. Private key is kept by the
receiver and public key is announced to the public.
B. Public key is kept by the
receiver and private key is announced to the public.
C. Both private key and public
key are kept by the receiver.
D. Both private key and public
key are announced to the public.
31: Any decision tree that sorts
n elements has height.
A. Ω (n)
B. Ω(lg n)
C. Ω(n lg n)
D. Ω(n2)
32: Match the following .
List- I List - II
a. Bucket sort i. O(n3/gn)
b. Matrix chain
multiplication ii. O(n3)
c. Huffman codes iii. O(nlgn)
d. All pairs shortest paths iv. O(n)
a b
c d
A. iv ii
i iii
B. ii iv
i iii
C. iv ii
iii i
D. iii ii
iv i
33: We can show that the clique
problem is NP-hard by proving that
A. CLIQUE ≤ P 3-CNF SAT
B. CLIQUE ≤ P VERTEX_COVER
C. CLIQUE ≤ P SUBSET_SUM
D. None of the above
34: Dijkstra algorithm, which . solves the
single-source shortest--paths problem, is a ----, and the Floyd-Warshall
algorithm, which finds shortest paths between all pairs of vertices, is a ___
A. Greedy algorithm,
Divide-conquer algorithm
B. Divide-conquer algorithm,
Greedy algorithm
C. Greedy algorithm,
Dynamic programming algorithm
D. Dynamic programming
algorithm, Greedy algorithm
35: Consider the problem of a
chain <A1, A2, A3> of three matrices. Suppose that the dimensions of the
matrices are 10 x 100, 100 x 5 and 5 x 50 respectively. There are two different
ways of parenthesization : (i) ((A1 A2)A3) and (ii) (A1(A2 A3)) Computing the
product according to the first parenthesization is _
times faster in comparison to the second parenthesization.
A. 5
B. 10
C. 20
D. 100
36: Suppose that we have numbers
between 1 and 1000 in a binary search tree and we want to search for the number
365. Which of the following sequences could not be the sequence of nodes
examined ?
A. 4, 254,403, 400,332,346,
399, 365
B. 926,222,913,246,900,260,364,365
C. 927,204,913,
242,914,247,365
D. 4,401,389,221,268,
384,383, 280,365
37: Which methods are utilized to
control the access to an object in multi-threaded programming?
A. Asynchronized methods
B. Synchronized methods
C. Serialized methods
D. None of the above
38:
Answer is (A)
39: Converting a primitive type
data into its corresponding wrapper class object instance is called
A. Boxing
B. Wrapping
C. Instantiation
D. Autoboxing
40: The behaviour of the
documerit elements in XML can be defined by
A. Using document object
B. Registering appropriate event handlers
C. Using element object
D. All of the above
41: What is true about UML
stereotypes ?
A. Stereotype is used for extending the UML language .
B. Stereotyped class must be abstract
C. The stereotype indicates that the UML element cannot be changed
D. UML profiles can be stereotyped for backward compatibility
42: Which method is called first
by an applet program?
A. start()
B. run()
C. init()
D. begin()
43: Which one of the following is
not a source code metric?
A. Halstead metric
B. Function Point Metric
C. Complexity metric
D. Length metric
44: To compute function points
(FP), the following relationship is used FP = Count - total x (0.65 + 0.01
x ∑(Fi))where Fi (i = 1 to n) are value
adjustment factors (VAF) based on n questions. The value of n is
A. 12
B. 14
C. 16
D. 18
45: Assume that the software team
defines a project risk with 80% probability of occurrence of risk in the
following manner:
Only 70 percent of the software
components scheduled for reuse will be integrated into the application arid the
remaining functionality will have to be custom developed: If 60 reusable
components were planned with average component size as ' 100 LOC and software
engineering cost for each LOC as $ 14, then the risk exposure would be
A. $ 25,200
B. $ 20,160
C. $ 17,640
D. $ 15,120
46: Maximum possible value of
reliability is
A. 100
B. 10
C. 1
D. 0
47: 'FAN IN' of a component A is
defined as
A. Count of the number of components that can call, or pass
control, to a component A
B. Number of components
related to component A
C. Number of components
dependent on component A
D. None of the above
48: Temporal cohesion means
A. Coincidental cohesion
B. Cohesion between
temporary variables
C. Cohesion between local
variables
D. Cohesion with respect
to time
49: Various storage devices used
by an operating system can be arranged as follows in increasing order of
accessing speed:
A. Magnetic tapes → magnetic disks → optical disks → electronic disks → main memory →
cache → registers
B. Magnetic tapes → magnetic
disks → electronic disks → optical disks → main memory → cache → registers
C. Magnetic tapes → electronic disks → magnetic disks → optical
disks → main memory → cache → registers
D. Magnetic tapes → optical disks → magnetic disks →electronic
disks → main memory → cache → registers
50: How many disk blocks are
required to keep list of free disk blocks in a 16 GB hard disk with 1 kB block
size using linked list of free disk blocks? Assume that the disk block number
is stored in 32 bits.
A. 1024 blocks
B. 16794 blocks
C. 20000 blocks
D. 1048576 blocks
(Isme kuch to galat hai.)
51: Consider an imaginary disk
with 40 cylinders. A request come to read a block on cylinder 11. While the
seek to cylinder 11 is in progress, new requests come in for cylinders 1, 36,
16, 34, 9 and 12 in that order. The number of arm motions using shortest seek
first algorithm is
A. 111
B. 112
C. 60
D. 61
52: An operating system has 13
tape drives. There are three processes PI, P2 & P3.1 Maximum requirement of
PI is 11 tape drives, P2 is 5 tape drives and P3 is 8 tape drives. Currently,
PI is allocated 6 tape drives, P2 is allocated 3 tape drives and P3 is
allocated 2 tape drives. Which of the following sequences represent a safe
state?
A. P2 P1 P3
B. P2 P3 P1
C. P1 P2 P3
D. P1 P3 P2
53: Monitor is an Interprocess
Communication (IPC) technique which can be described as
A. It is higher level
synchronization primitive and is a collection of procedures, variables, and
data structures grouped together in a special package.
B. It is a non-negative
integer which apart from initialization can be acted upon by wait and signal
operations
C. It uses two primitives, send and receive which are system calls
rather than language constructs.
D. It consists of the IPC
primitives implemented as system calls to block the process when they are not
allowed to enter critical region to save CPU time.
54: In a distributed computing
environment, distributed shared memory is used which is
A. Logical combination of
virtual memories on the nodes.
B. Logical combination of
physical memories on the nodes.
C. Logical combination of
the secondary memories on all the nodes.
D. All of the above
55: Equivalent logical expression
for the Well Formed Formula (WFF), ~(∀ x)F[x] is
A. (∀ x) ~F[x]
B. ~( ∃ x) F[x]
C. ( ∃ x)~ ( F[x])
D. (∀ x)F[x]
56: An A * algorithm is a
heuristic search technique which
A. is like a depth-first
search where most promising child is selected for expansion
B. generates all successor nodes and computes an estimate of
distance (cost) from start node to a goal node through each of the successors.
It then chooses the successor with shortest cost.
C. saves all path lengths (costs) from start node to all generated
nodes and chooses shortest path for further expansion.
D. None of the above
57: The resolvent of the set of
clauses (A v B, ~ A v D, C v ~B) is
A. A v B
B. C v D
C. A v C
D. A v D
58: Match the following:
a. Script i. Directed graph with
labelled nodes for graphical representation of knowledge
b. Conceptual Dependencies ii. Knowledge about objects and events
is stored in record-like structures consisting
of slots and slot values.
c. Frames iii.
Primitive concepts and rules to represent natural language statements
d. Associative Network iv. Frame like structures
used to represent stereotypical patterns for commonly
occurring events in terms of actors, roles, props and scenes
a b
c d
A. iv ii i
iii
B. iv iii ii
i
C. ii iii iv
i
D. i iii
iv ii
59: Match the following
components of an expert system :
a. I/O interface i. Accepts user's
queries and responds to question through I/O interface
b. Explanation module ii. Contains facts and rules about the
domain
c. Inference engine iii. Gives the user,the ability to
follow inferencing steps at any time during consultation
d. Knowledge base iv. Permits the user to communicate
with the system in a natural way
a b
c d
A. i iii iv ii
B. iv iii i ii
C. i iii ii iv
D. iv i iii
ii
60: A computer based information
system is needed :
I. as it is difficult for
administrative staff to process data.
II. due to rapid growth of
information and communication technology.
III. due to growing size of
organizations which need to process large volume of data.
IV. as timely and accurate
decisions are to be taken.
Which of the above statement(s)
is/are true?
A. I and II
B. III and IV
C. II and III
D. II and IV
61: Given the recursively enumerable language (LRE),
the context sensitive language (LCS) the recursive language (LREC)
the context free language (LCF) and deterministic context free
language (LDCF) The relationship between these families is given by
A. LCF ⊆ LDCF
⊆ LCS ⊆ LRE ⊆ LREC
B. LCF ⊆ LDCF
⊆ LCS ⊆ LREC ⊆ LRE
C.
LDCF ⊆ LCF ⊆ LCS
⊆ LRE ⊆ LREC
D. LDCF ⊆ LCF
⊆ LCS ⊆ LREC ⊆ LRE
62: Match the following:
List- I
List -II
a. Context free grammar i. Linear bounded automaton
b. Regular grammar ii. Pushdown automaton
c. Context sensitive grammar iii. Turing machine
d. Unrestricted grammar iv. Deterministic finite automaton
a
b c d
A. ii iv
iii i
B. ii iv
i iii
C. iv i
ii iii
D. i iv
iii ii
63: According to pumping lemma
for context free languages:
Let L be an infinite context free
language, then there exists some positive integer m such that any w ∈ L with I w I ≥ m can be decomposed as w = u v x y z
A. with I vxy I ≤ m such that uvi xyi z ∈ L for all i = 0,1,2
B. with I vxy I ≤ m and I
vy I ≥ 1 such that uvi xyi z ∈ L for all
i = 0,1,2,.....
C. with I vxy I ≥ m and I vy
I ≤ 1 such that uvi xyi z ∈ L for all
i = 0,1,2,.....
D. with I vxy I ≥ m and I vy
I ≥ 1 such that uvi xyi z ∈ L for all
i = 0,1,2,.....
64: Given two spatial masks
The Laplacian of an
image at all points (x,y) can be implemented by convolving the image with spatial
mask. Which of the following can be used as the spatial mask?
A. Only S1
B. Only S2
C. Both S1 and S2
D. None of these
65: Given a simple image of size 10 x 10 whose
histogram models the symbol probabilities and is given by
The first order estimate of image
entropy is maximum when
A. a = 0, b = 0, c = 0, d =
1
B. a = 1/2, b =1/2, c=0, d=0
C. a = 1/3, b =1/3, c=1/3, d=0
D. a = 1/4, b =1/4, c=1/4, d=1/4
66: Answer is (A)
67: If an artificial variable is
present in the ,'basic variable' column of optimal simplex table, then the
solution is
A. Optimum
B. Infeasible
C. Unbounded
D. Degenerate
68: The occurrence of degeneracy
while solving a transportation problem means that
A. total supply equals total
demand
B. total supply does not
equal total demand
C. the solution so
obtained is not feasible
D. none of these
69:
A. 5
B. 11
C. 13
D. 15
70: Consider the following
statements about a perception:
I. Feature detector can be any
function of the input parameters.
II. Learning procedure only
adjusts the connection weights to the output layer.
Identify the correct statement
out of the following:
A. I is false and II is false
B. I is true and II is false
.
C. I is false and II is true
D. l is true and II is
true.
71: A ---------- point of a fuzzy
set A is a point x ∈ X at which µA(x) = 0.5
A. Core
B. Support
C. Cross-over
D. α - cut
72: Match the following learning
modes w.r.t. characteristics of available information for learning :
a. Supervisead i. Instructive information on desired
responses explicitly specified by a teacher.
b. Recording ii. A priori design information for
memory storing
c. Reinforcement iii.
Partial information about desired responses, or only "right" or
"wrong" evaluative information
d. unsupervised iv. No information about desired
responses
a b
c d
A. i ii
iii iv
B. i iii
ii iv
C. ii iv
iii i
D. ii iii
iv i
73: Which of the following
versions of Windows O.S. contain built-in partition manager which allows us to
shrink and expand pre-defined drives?
A. Windows Vista
B. Windows 2000
C. Windows NT
D. Windows 98
74: A Trojan horse is
A. A program that performs a legitimate function that is known
to an operating system or its user and also has a hidden component that can be
used for nefarious purposes like attacks on message security or impersonation.
B. A piece of code that can attach itself to other programs in the
system and spread to other systems when programs are copied or transferred
C. A program that spreads to
other computer systems by exploiting security holes like weaknesses in
facilities for creation of remote processes
D. All of the above
75: Which of the following computing models is not
an example of distributed computing environment?
A. Cloud computing
B. Parallel computing
C. Cluster computing
D. Peer-to-peer computing
