Showing posts with label SOLVED QUESTIONS. Show all posts
Showing posts with label SOLVED QUESTIONS. Show all posts

Saturday, 1 March 2014

REASONING AND ANALOGY SOLVED QUESTIONS

1) Complete the series.
6,9,13,18,24,31,?
a.)35
b.)30
c.)45
d.)39
Ans.:d.)
Explanation:
6
6+3=9
9+4=13
13+5=18
18+6=24
24+7=31
31+8=39

2) If  'WINNER' is written as 'YKPPGT'  then  'VICTOR' is written as ?
a.)UVMNREF
b.)XKEVQT
c.)QDWERS
d.)SCNMJK
Ans.:b.)
Reason:
V+2=X
I+2=K
C+2=E
T+2=V
O+2=Q
R+2=T

3) Find the missing number
2,4,3,6,4,8,5,?
a.)5
b.)7
c.)10
d.)9
Ans.:c.)
Explanation: 
2*2=4
3*2=6
4*2=8
5*2=10
Note carefully: 
When the first number '2' multiplied by '2' you get the second number as '4'
When the third number '3' multiplied by '2' you get the fourth number as '6'
When the fifth number '4' multiplied by '2' you get the sixth number as '8'
When the seventh number '5' multiplied by '2' you get the eigth number as '10'

4) Car is related to petrol. In the same way lorry is related to
a.)Fuel
b.)Diesel
c.)Petrol
d.)Oil
Ans.:b.)
Car generally runs on petrol and similarly Lorry generally runs on diesel.

5) Find the next number:
3,10,5,12,7,14,9,?
a.)12
b.)10
c.)16
d.)8
Ans.:c.)
Explanation:
3
3+7=10
10-5=5
5+7=12
12-5=7
7+7=14
14-5=9
9+7=16
Logic: Add 7 and subtract 5 consecutively.

6)  Zoology:Animals ::Mycology:?
a.)Skull
b.)Virus
c.)Fungi
d.)Algae
Ans.: c.)
Note: Zoology is the study of animals
Mycology is the study of fungi.

7) Carbondioxide:Extinguish  ::  Oxygen:?
a.)Isolate
b.)Foam
c.)Burn
d.)Cease
Ans.: c.)
Reason: Carbondioxide is used to extinguish fire whereas oxygen is used to burn fire. 

8) Pituitary:Brain  ::  Thyroid:?
a.)Liver
b.)Neck
c.)Mouth
d.)Stomach
Ans.: b.)
Pituitary is a gland of brain whereas Thyroid gland belongs to neck region. 

9) Cardiology:Heart  ::  Phycology:?
a.) Lungs
b.)Liver
c.)Algae
d.)Fungi
Ans.: c.)

10) Find the missing number:
15,22,36,?,85.
a.)45
b.)55
c.)57
d.)60
Ans.: c.)
Explanation:
15
15+7=22
22+14=36
36+21=57
57+28=85
Note: Add with multiples of '7' consecutively. 

11)  Find the number:
43,54,76,109,153,?
a.)209
b.)208
c.)221
d.)190
Ans.:b.)
Explanation:
43
43+11=54
54+22=76
76+33=109
109+44=153
153+55=208
Reason:Add with multiples of 11. 

12) Bee:Apiary :: Birds:?
Ans.: Aviary
Explanation: Apiary is the place where bees live
Aviary is the place where birds live.
12. 72,84,97,?,126
Ans.: 111
Explanation: 72
72+12=84
84+13=97
97+14=111

111+15=126

13)  Asia:Continent :: Gobi:?
Ans.: Desert
Note: Asia is a continent whereas Gobi is a largest desert in Asia.

14) Odometer:Speed :: Sphygmomanometer:?
Ans.: Blood pressure
Note: Odometer is used to measure speed. Similarly, Sphygmomanometer us used to measure blood pressure.

15) Ghemer:Rajasthan :: Kaima:?
Ans.: Bihar.
Ghemer is the folk dance of Rajasthan.
Kaima is the folk dance of Bihar.

JUNE 2013 SOLVED QUESTIONS

1) While estimating the cost of software, Lines of Code (LOC) and Function Points (FP) are used to measure which one of the following?
(A) Length of code
(B) Size of software
(C) Functionality of software
(D) None of the above
Ans.: B.)
 A famous software engineering question. Self explanatory.

2) A good software design must have
(A) High module coupling, High module cohesion
(B) High module coupling, Low module cohesion
(C) Low module coupling, High module cohesion
(D) Low module coupling, Low module cohesion
Ans.: C.)
Frequently asked question in the exam.Shortcut: Always remember Coupling = Low and Cohesion = High.

3) How many times the word 'print' shall be printed by the following program segment?
for(i=1, i≤2, i++)
for(j=1, J≤2, J++)
for(k=l, k≤2, k++)
printf("print/n")
(A) 1        
(B) 3
(C) 6
(D) 8
Ans.: D.)
Trick: There are 3 for loops and each for loop remains true till '2' times before the condition fails.

Therefore, 2^3=8.

4)  Which of the following is not a type of Database Management System?
(A) Hierarchical
(B) Network
(C) Relational
(D) Sequential
Ans.: D.)
Very basic question

5) Cyclometric complexity of a flow graph G with n vertices and e edges is
(A) V(G) = e+n-2
(B) V(G) = e-n+2
(C) V(G) = e+n+2
(D) V(G) = e-n-2
Ans.: B.)
Software engineering question. Particularly used in Software testing. The formula was designed by Mccabe.
Note: In Dec 2013 exam, UGC may ask who developed Cycometric complexity.
Be alert.

6) Which normal form is considered as adequate for usual database design ?
(A) 2NF     
(B) 3NF
(C) 4NF
(D) 5NF
Ans.: B.)
an ideal Database design is possible through 3NF.

7) Manager's salary details are to be hidden from Employee Table. This Technique is called as
(A) Conceptual level Datahiding
(B) Physical level Datahiding
(C) External level Datahiding
(D) Logical level Datahiding
Ans.: A.)
Explanation: Generally, when we say employee table, It includes the personal details of the employee. But salary of an employee is something that  describes the things of significance to an organization.Therefore, hiding things of utmost significance is called as Conceptual Data hiding.

8) Which of the following addresses is used to deliver a message to the correct application program running on a host?
(A) Port
(B) IP
(C) Logical
(D) Physical
Ans.: A.)

9) In classful addressing, the IF address 190.255.254.254 belongs to
(A) Class A
(B) Class B
(C) Class C
(D) Class D
Ans.: B.)
Explanation:

Class
Address Range
Class A
0.0.0.0
Class B
128.0.0.0
Class C
192.0.0.0
Class D
224.0.0.0
Class E
240.0.0.0
Trick: 0-127 -Class A
128-191-Class B
192-223- Class C
224-239-Class D
240-above- Class E

10) In IPv4 header, the field is needed to allow the destination host to determine which datagram a newly arrived fragments belongs to.
(A) identification
(B) fragment offset
(C) time to live
(D) header checksum
Ans.: A.)
Information: An IPV4 requires 32 bit address field IPV6 requires 128 bit address field

11) For a B-tree of height h and degree t, the total CPU time used to insert a node is
(A) O(h log t)
(B) O(t log h)(C) O(t2h)
(D) O(th)
Ans.: D.)

12) The time complexity to build a heap with a list of n numbers is
(A) O(log n)
(B) O(n)
(C) O(n log n)
(D) O(n2)
Ans.: B.)
Binary search: O(logn)
Merge sort: O(nlogn)
Quick sort: O(nlogn)
Selecton sort: O(n)
Insertion sort: O(n*n)

13) Consider the following statements for priority queue:

S1 : It is a data structure in which the intrinsic ordering of the elements does determine the result of its basic operations.
S2: The elements of a priority queue may be complex structures that are ordered on one or several fields.
Which of the following is correct?
(A) Both S1 and S2 are incorrect.
(B) S1 is correct and S2 is incorrect.
(C) SI is incorrect and S2 is correct.
(D) Both S1 and S2 are correct.
Ans.: D.)

14) The task of correcting and pre processing data is called as
(A) Data streaming
(B) Data cleaning
(C) Data mining
(D) Data storming
Ans.: B.)

15) Repository of information gathered from multiple sources, storing under unified scheme at a single site is called as
(A) Data mining
(B) Meta data
(C) Data warehousing
(D) Database
Ans.: C.)

16) A test contains 100 true/false questions. How many different ways can a student answer the questions on the test, if the answer may be left blank also.
(A) 100P2    
(B) 100C2     
(C) 2100    
 (D) 3100 
Ans.: D.)
Reason: A question can be answered True or False or Left Blank. So there are 3 possibilities. So the answer is 3^100.

17) How many edges must be removed to produce the spanning forest of a graph with N vertices, M edges and C connected components?
(A) M+N-C
(B) M-N-C
(C) M-N+C
(D) M+N+C
Ans.: C.)

18) In substitution, a character in the plaintext is always changed to the same character in the ciphertext, regardless of its position in the text.
(A) polyalphabetic
(B) monoalphabetic
(C) transpositional
(D) multialphabetic
Ans.: B.)

19) The mv command changes
(A) the inode
(B) the inode-number
(C) the directory entry
(D) both the directory entry and the inode
Ans.: C.)

20) The relation "divides" on a set of positive integers is ________
(A) Symmetric and transitive
(B) Anti symmetric and transitive
(C) Symmetric only
(D) Transitive only
Ans.: B.)

21) COCOMO stands for
(A) Composite Cost Model
(B) Constructive Cost Model
(C) Constructive Composite Model
(D) Comprehensive Construction Model
Ans.: B.)

Wednesday, 26 February 2014

SOLVED QUESTIONS OF PREVIOUS EXAMS

1) Encryption and Decryption is the responsibility of Layer.
(A) Physical
(B) Network
(C) Application
(D) Datalink
Ans.: c.)
Networking related.
Encryption is typically done at this level too, although it can be done on the application, session, transport, or network layers.

2) Software Configuration Management is the discipline for systematically controlling
(A) the changes due to the evolution of work products as the project proceeds.
(B) the changes due to defects (bugs) being found and then fixed.
(C) the changes due to requirement changes
(D) all of the above
Ans.: d.)
Software engineering concept.


3) Which one of the following is not a step of requirement engineering ?
(A) Requirement elicitation
(B) Requirement analysts
(C) Requirement design
(D) Requirement documentation
Ans.: c.)STEPS IN REQUIREMENT ENGINEERING:
—  Requirements inception
—  Requirements identification
—  Requirements analysis and negotiation
—  Requirements specification
(Software Requirements Specification)
—  System modeling
—  Requirements validation
—  Requirements management


4) The student marks should not be greater than 100. This is
(A) Integrity constraint
(B) Referential constraint
(C) Over-defined constraint
(D) Feasible constraint
Ans.: a.)
Rdbms concept
Easy question.
Note: Integrity means to ensure accuracy and consistency of data


5) GO  BOTTOM  and  SKIP-3 commands are given one after another in a database file of 30 records. It shifts the control to
(A) 28th record      (B) 27th record
(C) 3rd record       (D) 4th record
Ans.: b.)
Simple logical question. Go to the last record and leave the last 3 recrods, therefore, the control will be shifted to 27th record. 


6) An ER Model includes
I.   An ER diagram portraying entity types.
II.  Attributes for each entity type
III. Relationships among entity types.
IV.  Semantic integrity constraints that reflects the business rules about data not captured in the ER diagram.
(A) I, II, III & IV   (B) I&IV
(C) I, II & IV        (D) I & III
Ans.: a.)
Rdbms concept



7) What does the following declaration mean ?
int (*ptr) [10];
(A) ptr is an array of pointers of 10 integers.
(B) ptr is a pointer to an array of 10 integers.
(C) ptr is an array of 10 integers.
(D) none of the above.
Ans.: b.)
Simple question.
Related to c language.



8) Which of the following operators can not be overloaded in C+ + ?
(A) *     (B) + =
(C) = =     (D) ::
Ans.: d.)
Very simple.



9) allows to create classes which are derived from other classes, so that they automatically include some of its "parent's" members, plus its own members.
(A) Overloading
(B) Inheritance
(C) Polymorphism
(D) Encapsulation
Ans.: b.)
OOPS concept.




10)  _________ is often used to prove the correctness of a recursive function.
(A) Diagonaliization
(B) Communitivity
(C) Mathematical Induction
(D) Matrix Multiplication
Ans.: c.)


11) Which of the following derivations does a top-down parser use while parsing an input string ? The input is scanned from left to right.
(A) Leftmost derivation
(B) Leftmost derivation traced out in reverse
(C) Rightmost derivation traced out in reverse
(D) Rightmost derivation
Ans.: a.)
Compiler design.



12) The process of assigning load addresses to the various parts of the program and adjusting the code and data in the program to reflect the assigned addresses is called    ____________
(A) Symbol resolution
(B) Parsing
(C) Assembly
(D) Relocation
Ans.: d.)
Operating systems
program relocatability refer to the ability to load and execute a program into an arbitrary place in memory



13) Active X controls are Pentium binary programs that can be embedded in ____________
(A) Word pages
(B) URL pages
(C) Script pages
(D) Web pages
Ans.: d.)
Windows programming
ActiveX is a loosely defined set of technologies developed by Microsoft in 1996 for sharing information among different applications
Example:  Internet Explorer's Flash player is an ActiveX control. 



14) Match the following :
List-I                                                       List - II
a. Wireless Application Environment      i.    HTTP      
b. Wireless Transaction Protocol           ii.    IP
c. Wireless Datagram Protocol             iii    Scripts
d. Wireless                                          iv.    UDP
Codes :      
     a     b     c    d
(A) ii    iv     i    iii
(B) iv    iii     ii    i
(C) iv    iii     i    ii
(D) iii    i     iv    ii
Ans.: d.)
Mobile computing



15) Which of the following is widely used inside the telephone system for long-haul data traffic ?
(A) ISDN
(B) ATM
(C) Frame Relay
(D) ISTN
Ans.: b.)
Networks



16) The document standards for EDI were first developed by large business house during the 1970s and are now under the control of the following standard organisation :
(A) ISO
(B) ANSI
(C) ITU-T
(D) IEEE
Ans.: b.)
ANSI (American National Standards Institute)
Current trends and technologies



17) Electronic Data Interchange Software consists of the following four layers :
(A) Business application, Internal format conversion, Network translator, EDI envelope
(B) Business application, Internal format conversion, EDI translator, EDI envelope
(C) Application layer, Transport layer, EDI translator, EDI envelope
(D) Application layer, Transport layer, IP layer, EDI envelope
Ans.: d.)
Current trends and technologies



18) Linux operating system uses
(A) Affinity Scheduling
(B) Fair Preemptive Scheduling
(C) Hand Shaking
(D) Highest Penalty Ratio Next
Ans.: b.)
OS



19) The VLF and LF bauds use propagation for communication.
(A) Ground          (B) Sky
(C) Line of sight   (D) Space
Ans.: a.)
Mobile computing



20) Data Integrity control uses  
(A) Upper and lower limits on numeric data.
(B) Passwords to prohibit unauthorised access to files.
(C) Data dictionary to keep the data
(D) Data dictionary to find last access of data
Ans.: d.)
RDBMS concept

Tuesday, 25 February 2014

SOLVED QUESTIONS OF PREVIOUS EXAMS

Which layer of OS I reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network ?
(A) Physical    (B) Data-link
(C) Transport    (D) Application
Ans.: c.)
Networks
The start and stop bits are used in serial communication for
(A) error detection
(B) error correction
(C) synchronization
(D) slowing down the communication
Ans.: c.)
Synchronization is the coordination of events to operate a system in unison
________is a type of transmission impairment in which the signal looses strength due to the resistance of the transmission medium.
(A) Attenuation  (B) Distortion
(C) Noise     (D) Decibel
Ans.: a.)
a. Indexed Addressing               i. is not used when an operand is moved from memory into a register or from a register to memory.
b. Direct Addressing                 ii. Memory address is computed    by adding up two registers plus an (optional) offset.
c. Register Addressing               iii. Addressing memory by giving a register plus a content offset.
d. Base-Indexed Addressing      iv. can only be used to access global variables whose address is known at compile time.
Codes :  
    a    b   c    d
(A) ii    i   iv   iii
(B) ii    iv  i    iii
(C) iii    iv  i    ii
(D) iii    i   iv   ii
Ans.: c.)
Microprocessor
Synchronization is achieved timing device called a_______which generates a periodic train of ________.
(A) clock generator, clock pulse
(B) master generator, clock pulse
(C) generator, clock
(D) master clock generator, clock pulse  
Ans.: a.)  
What   will   be   the   output   of  the following logic diagram ?
(A) x OR   y
(B) x AND  y
(C) x XOR  y
(D) X XNOR y
Ans.: c.)
Digital logics
Explanation:
x
y
-
X

-
y
     -
x.y
 -
xy
     -     -
(xy) + (xy)
0
0
1
1
0
0
0
0
1
1
0
0
1
1
1
0
0
1
1
0
1
1
1
0
0
0
0
0


The essential difference between traps and interrupts is
(A) traps are asynchronous and interrupts are synchronous with the program.
(B) traps are synchronous and interrupts are asynchronous with the program.
(C) traps are synchronous and interrupts are asynchronous with the I/O devices.
(D) None of these.
Ans.: b.)
DLF
Which of the following is not true with respect to a trackball and/or spaceball ?
I.   A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom. 
II.  Unlike the trackball a spaceball does not actually move. 
III. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom.
(A)  I & II    (B)    II & III
(C)  II only    (D)    III only
Ans.: d.)
Windows
Which of the following statement(s) is (are) true ?
I.   Two successive translations are additive.
II.  Two successive rotations are additive.
III. Two successive scaling operations are multiplicative.
(A) I and II
(B) I and III
(C) II and III
(D) All the above
Ans.: d.)
Computer Graphics

 In Unix, how do you check that two given strings a and b are equal ?
(A) test $a -eq $b
(B) test Sa -equal $b
(C) test $a = Sb
(D) Sh -C test $a = = $b
Ans.: c.)
Unix 
To place a sound into a word document, following feature of windows is used :
(A) Clip board
(B) Task switching
(C) C Win App
(D) OLE
Ans.: d.)
Windows
Translation Look-aside Buffer (TLB) is
(A) a cache-memory in which item to be searched is compared one-by-one with the keys.
(B) a cache-memory in which item to be searched is compared with all the keys simultaneously.
(C) an associative memory in which item to be searched is compared one-by-one with the keys.
(D) an associative memory in which item to be searched is compared with all the keys simultaneously.
Ans.: d.)
OS
Simplest way of deadlock recovery is
(A) Roll back
(B) Preempt resource
(C) Lock one of the processes
(D) Kill one of the processes
Ans.: a.)
OS
The directory structure used in Unix file system is called
(A) Hierarchical directory
(B) Tree structured directory
(C) Directed acyclic graph
(D) Graph structured directory
Ans.: a.)
Unix
Possible thread states in Windows 2000 operating system include :
(A) Ready, running and waiting
(B) Ready, standby, running, waiting, transition and terminated
(C) Ready, running, • waiting, transition and terminated
(D) Standby, running, transition and terminated
Ans.: b.)
Windows

 When data and acknowledgement are sent in the same frame, this is called as
(A) Piggy packing
(B) Piggy backing
(C) Back packing
(D) Good packing
Ans.: b.)
Piggybacking is a bi-directional data transmission technique in the network layer (OSI model).
Network question.
 
Using the RSA public key crypto system, if p = 13, q = 31 and d = 7, then the value of e is
(A) 101  (C) 105
(B) 103  (D) 107
Ans.: b.)
Network security and cryptography
 FAN IN of a component A is defined as
(A) Number of components that can call or pass control to component A.
(B) Number of components that are called by component A.
(C) Number of components related to component A.
(D) Number of components dependent on component A.
Ans.: a.)
Fan-in is the number of inputs a gate can handle
Fan out is the number of gate inputs you can connect to a gate output
The relationship of data elements in a module is called
(A) Coupling
(B) Modularity
(C) Cohesion
(D) Granularity
Ans.: c.)
Software engineering
cohesion refers to the degree to which the elements of a module belong together. the tendency to stick together

Testing of software with actual data and in actual environment is called
(A) Alpha testing
(B) Beta testing
(C) Regression testing
(D) None of the above
Ans.: b.)
Software testing concept.
Beta testing is a part of acceptance test.