Question1:-In a BST, the traversal type which would print the values in the nodes in sorted order is :-
A:-Preorder
C:-Postorder
D:-None of the above
Correct Answer:-
Option-B
Kerala PSC Computer Science
Saturday, October 17, 2020
144/2013 HSST
C:-Postorder
Question Paper Code: 17/2019/OL System Analyst/Programmer
Category Code: 021/2018
Exam: System Analyst/Programmer
Medium of Question: English
Date of Test 25-05-2019
Question21:-Let A, B and C are three finite sets. Find |A| if |A| = |B|, |A`uu`B| = 2a + 3b, and |A`nn`B| = b A:-a+2b
B:-2a+b C:-2a+2b
D:-a+b
Correct Answer:- Option-A
Question22:-Let X = {2, 3, 6, 12, 24, 48}, and ≤ be the partial order defined by X ≤ Y if X divides Y. Number of edges in the Hasse diagram of (X, ≤) is
A:-4
B:-6
C:-5
D:-8
Correct Answer:- Option-C
Question23:-A box contains 8 red and 6 yellow balls. The probability of drawing two balls of the same colour is A:-42/98
B:-43/95 C:-43/91
D:-None of the above Correct Answer:- Option-C
Question24:-A die is tossed. If the number is odd, what is the probability that the number is prime?
A:-1/3
B:-2/3
C:-4/3
D:-3/4
Correct Answer:- Option-B
Question25:-Let `P(K)=1+3+5..... +(2K-1)=3+K^2` . Then which of the following is true?
A:-Principle of mathematical induction can be used to prove the formula B:-P(1) is correct
C:-P(k) implies P(k+1) D:-None of the above
Correct Answer:- Option-C
Question26:-Three bags P, Q and R contains 20%, 40% and 40% of the total eggs produced in an industry. Past experience shows that 5%, 4% and 2% of the eggs contained in the respective bags are defective. If an egg was found to be defective, what is the the probability that the egg was from the bag P?
A:-10/36 B:-8/36 C:-10/34 D:-4/35
Correct Answer:- Option-C
Question27:-For the set {1, 2, 3, 4}, which of the following is true for the relation R = {(1,3), (1,4), (2,3),(2,4), (3,1), (4,1),
(4,2), (3,4), (3,2)}
A:-R is symmetric B:-R is transitive
C:-R is antisymmetric D:-None of the above
Correct Answer:- Option-D
Question28:-A correlation coefficient of 1 means that
A:-For every positive increase in one variable, there is a positive increase in a fixed proportion of the other variable B:-For every positive increase in one variable, there is a negative decrease in a fixed proportion of the other variable C:-For every positive increase in one variable, there is no change in a fixed proportion of the other variable
D:-There is no relation between the variables Correct Answer:- Option-A
Question29:-Multiple regression is used
A:-To predict scores on an independent variable from scores on multiple dependent variables B:-To predict scores on an dependent variable from scores on multiple dependent variables C:-To predict scores on an dependent variable from scores on multiple independent variables
D:-To predict scores on an independent variable from scores on multiple independent variables Correct Answer:- Option-C
Question30:-Which of the following is not true when conducting multiple regression?
A:-Data must be free from outliers for a multiple regression B:-Data must be heterogeneous for a multiple regression
C:-Multiple regression can be used to access linear relationships D:-Data must be normally distributed for multiple regression Correct Answer:- Option-B
Question31:-As compared to TTL, CMOS logic has A:-Higher speed of operation
B:-Higher power dissipation C:-Smaller physical size
D:-All of the above Correct Answer:- Option-C
Question32:-Pin 21 of 8086 microprocessor is used for the signal A:-READY
B:-ALE C:-RESET D:-QS1
Correct Answer:- Option-C
Question33:-Assume that the following jobs are to be executed on a single processor system
|
Job identifier |
CPU-Burst Time |
|
P1 |
4 |
|
P2 |
1 |
|
P3 |
8 |
|
P4 |
1 |
|
P5 |
2 |
The jobs are assumed to have arrived at time 0 and in the order P1, P2, P3, P4, P5. Calculate the departure completion time for job P1 if scheduling is round robin with time slice 1.
A:-4
B:-10
C:-12
D:-11
Correct Answer:- Option-D Question34:-The Banker's algorithm is used
A:-To prevent deadlock in operating systems B:-To detect deadlock in operating systems C:-To avoid deadlock in operating systems D:-All of the above
Correct Answer:- Option-C
Question35:-The performance of a digital computer improves when its RAM size increases. This is because A:-Size of virtual memory increases
B:-Number of page faults are less C:-Larger RAMS are very faster
D:-Number of segment faults are less Correct Answer:- Option-B
Question36:-Multiplier Quotient register is placed in A:-Main Memory
B:-CPU
C:-I/O Equipment D:-None of these
Correct Answer:- Option-B
Question37:-Which of the following is/are not true in contiguous allocation of disk space A:-Size of the file is to be declared in advance
B:-There is no external fragmentation
C:-Difficulty in finding space for a new file D:-Both 2 and 3
Correct Answer:- Option-B
Question38:-Interrupt latency for real time OS should be A:-Maximum
B:-Zero
C:-Minimal
D:-None of the above Correct Answer:- Option-C
Question39:-Which of the following is an invalid shell variables?
A:-india_15 B:-_15_india C:-15_india
D:-Both 2 and 3
Correct Answer:- Option-C
Question40:-The output of the following shell programming is var_1 = good
Readonly var_1 var_1= morning echo $var_1 exit 0
A:-good
B:-morning
C:-program will generate an error message D:-none of the above
Correct Answer:- Option-A
Question41:-The time complexity of building a heap with 'n' elements is A:-O(n)
B:-O(log n)
C:-`O(n^2)`
D:-O(n log n)
Correct Answer:- Option-A
Question42:-Which of the following is false regarding AVL trees?
A:-AVL tree is more balanced than binary search tree
B:-AVL tree is more space efficient than binary search tree C:-AVL tree is more time efficient than binary search tree D:-None of the above
Correct Answer:- Option-B
Question43:-What is the worst case complexity of quicksort?
A:-O(n log n)
B:-O(n)
C:-`O(n^2)`
D:-O(log n)
Correct Answer:- Option-C
Question44:-Which data structure can be used to efficiently implement dijkstra's algorithm?
A:-Double ended queue B:-Priority queue
C:-Stack
D:-Binary search tree Correct Answer:- Option-B
Question45:-Which data structure is well suited for separate chaining?
A:-Singly linked list B:-Doubly linked list C:-Circular linked list
D:-Binary trees
Correct Answer:- Option-B
Question46:-In the following code, how many times the program will print "Hello"?
#include<stdio.h> int main()
{
printf("Hello"); main();
return 0;
}
A:-Infinite times B:-32767 times C:-65535 times
D:-till stack overflows Correct Answer:- Option-D
Question47:-What will be output if you will compile and execute the following c code? #include "string.h"
void main()
{
printf("%d%d",sizeof("program"),strlen("program")); getch();
}
A:-8 7
B:-7 8
C:-8 8
D:-7 7
Correct Answer:- Option-A
Question48:-Predict the outputs of following C program. int main()
{
int x = -20; while (x++ !=1); printf("%d", x); return 0;
}
A:-2
B:-1 C:--1
D:-infinite
Correct Answer:- Option-A
Question49:-What is the return type of malloc()?
A:-void*
B:-pointer of allocated memory type C:-void**
D:-int*
Correct Answer:- Option-A
Question50:-What does the following declaration mean? int (*ptr)[20];
A:-ptr is array of pointers to 20 integers
B:-ptr is a pointer to an array of 20 integers C:-ptr is an array of 20 integers
D:-None of these
Correct Answer:- Option-B
Question51:-If class C is derived from another class B which is derived from class A, which class will have minimum level of abstraction?
A:-Class A B:-Class B C:-Class C
D:-All have same level of abstraction Correct Answer:- Option-C
Question52:-Which of the following statement is false?
A:-An abstract class is a class which cannot be instantiated
B:-Creation of an object is not possible with abstract class but it can be inherited C:-An abstract class can contain only Abstract method
D:-None of these
Correct Answer:- Option-D
Question53:-Which is the necessary condition for virtual function to achieve late binding?
A:-Virtual function is to be accessed with direct name
B:-Virtual functions is to be accessed using base class object only C:-Virtual function is to be accessed using pointer or reference
D:-Virtual function is to be accessed using derived class object only Correct Answer:- Option-C
Question54:-Operator overloading is
A:-Making c++ operator works with objects B:-Giving new meaning to existing operator C:-Adding operation to the existing operators D:-All the above
Correct Answer:- Option-C
Question55:-What are all the operators that cannot be overloaded?
A:-Scope Resolution (::) B:-Member Selection (.) C:-New operator (new) D:-Both 1 and 2
Correct Answer:- Option-D
Question56:-Which two of the following methods are defined in class Thread?
A:-Start and wait B:-Start and run C:-Wait and notify D:-Start Only
Correct Answer:- Option-B
Question57:-Which of these class object cannot be used to form a dynamic array in JAVA?
A:-ArrayList B:-Map
C:-Vector
D:-ArrayList and Vector Correct Answer:- Option-B
Question58:-Predict the output of the following code
public class Check
{
public static void main(String args[])
{
String s1 = "test";
String s2 = new String(s1);
System.out.println(s1==s2);
}
}
A:-true B:-false C:-0
D:-test
Correct Answer:- Option-B
Question59:-In java applet programs, the applet life cycle functions are called in which order?
A:-start(), init(), paint(), destroy(), stop()
B:-init(), run(), start(), stop(), destroy()
C:-init(), start(), paint(), stop(), destroy()
D:-start(), run(), paint(), destroy(), stop() Correct Answer:- Option-C
Question60:-The three notion of java virtual machine are A:-class, object, variable
B:-specification, implementation, instance C:-primitive, referential, user defined
D:-byte code, object code, executable Correct Answer:- Option-B
Question61:-Collection of entities that have the same attributes are called A:-Domain
B:-Value set C:-Entity set D:-Entity type
Correct Answer:- Option-D
Question62:-Which of the following key is related with referential integrity constraint?
A:-Primary key B:-Candidate key C:-Foreign key D:-Super key
Correct Answer:- Option-C
Question63:-Consider the following table of data r(R) of the relation schema R(XYZ)
X Y Z
x1 y1 z1 x2 y1 z1 x3 y2 z1
Which of the following functional dependency sets are valid A:-X->Y, Y->Z, Z->X
B:-X->Y, X->Z, Y->Z
C:-Both 1 and 2
D:-None of the above Correct Answer:- Option-B
Question64:-The SQL aggregate function that returns number of values in a given column is A:-count( )
B:-count(*)
C:-sum( )
D:-All of the above Correct Answer:- Option-A
Question65:-Which of the following construct returns true if a given tuple is not present in the subquery A:-exists
B:-not present C:-not exists
D:-none of the above Correct Answer:- Option-C
Question66:-What will be the output of the following query?
CREATE EmployeeView VIEW AS SELECT nothing FROM Employee WHERE ID < 100 A:-EmployeeView will be created with no columns
B:-EmployeeView will be created with column nothing C:-Syntax error
D:-None of the above Correct Answer:- Option-C
Question67:-Consider a relation A with m rows and relation B with n rows. How many rows will be generated if A × B is performed?
A:-m
B:-m + n C:-m - n D:-m * n
Correct Answer:- Option-D
Question68:- is the statement which specifies when the trigger is to be executed.
A:-From B:-Where C:-When
D:-None of the above Correct Answer:- Option-C
Question69:-Which of the following is true about Atomicity?
A:-Smallest unit of transaction
B:-Either all of its operations are executed or none C:-Atleast one of the operation should be executed D:-All of the above
Correct Answer:- Option-B
Question70:-Which of the following differentiates Two-Phase Locking with Strict Two-Phase Locking in Concurrency control?
A:-Release locks after usage B:-Release locks at commit C:-Cascading aborts
D:-None of the above Correct Answer:- Option-B
Question71:-The middle layer of a three layer client/server architecture is called A:-Presentation layer
B:-Application layer C:-Database layer
D:-None of the above Correct Answer:- Option-B
Question72:-Which of the following element in CSS allows authors to use external style sheets in their pages?
A:-position B:-span
C:-extern D:-link
Correct Answer:- Option-D
Question73:-Which of the following object displays prompt dialog in JavaScript?
A:-alert
B:-prompt
C:-document D:-window
Correct Answer:- Option-D
Question74:-A technology for locating information in an XML document is A:-xPath
B:-XSL
C:-MathML
D:-All of the above Correct Answer:- Option-A
Question75:-The method used in PHP to transfer binary data from client to server is A:-GET
B:-POST
C:-Both 1 and 2
D:-None of the above Correct Answer:- Option-B
Question76:-The directive used to specify information needed by ASP.NET to process an ASPX file A:-Page
B:-Register C:-Import D:-Master
Correct Answer:- Option-A
Question77:-Which object in AJAX applications manage asynchronous interaction with the server?
A:-HttpURLConnection B:-HttpRequest
C:-XMLHttpRequest D:-All of the above
Correct Answer:- Option-C
Question78:-Cross-Site Scripting attacks are normally initiated by A:-Web Client
B:-Web Server C:-Both 1 and 2
D:-None of the above Correct Answer:- Option-A
Question79:-Which of the following in ASP.NET is a data source control method?
A:-ExecuteReader B:-SqlDataReader C:-SqlCommand D:-SqlConnection
Correct Answer:- Option-D
Question80:-Which of the following function is used to exit from a PHP Script?
A:-exit( )
B:-die( )
C:-both 1 and 2
D:-none of the above Correct Answer:- Option-C
Question81:-Which one among the following is a private IP address?
A:-11.0.0.1
B:-168.172.29.41
C:-172.15.24.33
D:-192.168.24.40
Correct Answer:- Option-D
Question82:-Which layer in the TCP/IP stack is equivalent to the Transport layer in the OSI model?
A:-Application B:-Host-to-Host C:-Internet
D:-Network Access Correct Answer:- Option-B
Question83:-Which among the following describes the DHCP Discover message?
i. It uses FF:FF:FF:FF:FF:FF as
a layer 2 broadcast
ii. It uses UDP as the Transport
layer protocol
iii. It uses TCP as the Transport
layer protocol
iv.
It does not use a layer 2 destination address A:-i only
B:-i and ii C:-iii and iv D:-iv only
Correct Answer:- Option-B
Question84:-Among the following IP address classes, which one provides a maximum of only 254 host addresses per network ID?
A:-Class A B:-Class B C:-Class C D:-Class D
Correct Answer:- Option-C
Question85:-You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address?
A:-Class A, Subnet 172.16.13.0, Broadcast address 172.16.13.127 B:-Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.127 C:-Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.255 D:-Class B, Subnet 172.16.0.0, Broadcast address 172.16.255.255 Correct Answer:- Option-B
Question86:-You have an interface on a router with the IP address of 192.168.192.10/29. Including the router interface, how many hosts can have IP addresses on the LAN attached to the router interface?
A:-32
B:-30
C:-8
D:-6
Correct Answer:- Option-D
Question87:-The number of unique substitution boxes in DES after the 48 bit XOR operation are A:-4
B:-6
C:-8
D:-12
Correct Answer:- Option-C
Question88:-For `p=11` and `q=17`, choose `e=7`. Find the plain text for the Cipher text 11 using the RSA algorithm A:-88
B:-111
C:-122
D:-143
Correct Answer:- Option-A
Question89:-Which of the following is true about HTTP headers and connection management?
A:-All HTTP responses must either close a connection or include a Content-Length:header to signify to end of a HTTP response body
B:-The Host : field in HTTP allows the same web server to server content for multiple domains
C:-When transferring many small Web objects, the only performance difference between persistent and non-persistent HTTP connections is related to connection establishment
D:-HTTP headers have a fixed size Correct Answer:- Option-B
Question90:-Which of the following about UNIX socket programming is true?
i. When a TCP sender calls
close(), the network stack immediately sends a FIN packet to its peer
ii. send() on a TCP socket causes
a sender to a generate
a TCP/IP packet
and send it out the appropriate network
interface
iii. accept() returns when the
receiver completes the three-way TCP handshake
iv.
The return value of recv() specifies the number of
bytes read from a socket, or if the socket was closed or an error was
encountered
A:-i only B:-i and ii
C:-iii and iv D:-iv only
Correct Answer:- Option-C Question91:-COCOMO stands for
A:-Consumed Cost Model B:-Constructive Cost Model C:-Common Control Model D:-Composition Cost Model Correct Answer:- Option-B
Question92:-Which of the following is not defined in a good Software Requirement Specification (SRS) document?
A:-Functional Requirement
B:-Nonfunctional Requirement C:-Goals of implementation
D:-Algorithm for software implementation Correct Answer:- Option-D
Question93:-Software process and improvement are assessed by A:-ISO 9000
B:-ISO 9001
C:-SPICE (ISO/IEC15504)
D:-Both 2 and 3
Correct Answer:- Option-D
Question94:-CMM model in Software Engineering is a technique of A:-Develop the software
B:-Improve the software process C:-Improve the testing process D:-All of the above
Correct Answer:- Option-B
Question95:-Alpha and Beta Testing are forms of A:-Acceptance testing
B:-Integration testing C:-System testing
D:-Unit testing
Correct Answer:- Option-A
Question96:-Coupling and cohesion can be represented using a A:-cause-effect graph
B:-dependence matrix C:-structure chart
D:-SRS
Correct Answer:- Option-B
Question97:-The tests that run every night during the project development or before a programmer checks in any changes to the global repository are normally characterized as
A:-Integration tests B:-Regression tests C:-Validation tests D:-System tests
Correct Answer:- Option-B
Question98:-Which of the following reason is valid ones for choosing a top-down process?
A:-Developers can present a demo of the project to the management faster than using a bottom-up process B:-A top-down process is more time consuming because of the unit tests
C:-In a top-down design, if an error is detected its always because a lower-level module is not meeting its specifications (because the higher-level ones are already been tested)
D:-A top-down process makes it possible to detect performance problems faster Correct Answer:- Option-A
Question99:-Consider the following statements
(i) Bottom-up testing is not an
effective way to reveal architectural design
flaws.
(ii)
Top-down testing can be time-consuming, because you
need to write stubs for many modules. A:-Only (i) is true
B:-Only (ii) is true
C:-Both (i) and (ii) are true D:-Both (i) and (ii) are false Correct Answer:- Option-C
Question100:-Consider the following statements
(i)
When designing tests, if partitions are chosen
perfectly, there is no point to testing boundary values near the edges of the partition.
(ii)
Glass-box tests designed for one implementation are
valid to use when testing another implementation. A:-Only (i) is true
B:-Only (ii) is true
C:-Both (i) and (ii) are true D:-Both (i) and (ii) are false Correct Answer:- Option-C
Question21:-Let A, B and C are three finite sets. Find |A| if |A| = |B|, |A`uu`B| = 2a + 3b, and |A`nn`B| = b A:-a+2b
B:-2a+b C:-2a+2b
D:-a+b
Correct Answer:- Option-A
Question22:-Let X = {2, 3, 6, 12, 24, 48}, and ≤ be the partial order defined by X ≤ Y if X divides Y. Number of edges in the Hasse diagram of (X, ≤) is
A:-4
B:-6
C:-5
D:-8
Correct Answer:- Option-C
Question23:-A box contains 8 red and 6 yellow balls. The probability of drawing two balls of the same colour is A:-42/98
B:-43/95 C:-43/91
D:-None of the above Correct Answer:- Option-C
Question24:-A die is tossed. If the number is odd, what is the probability that the number is prime?
A:-1/3
B:-2/3
C:-4/3
D:-3/4
Correct Answer:- Option-B
Question25:-Let `P(K)=1+3+5..... +(2K-1)=3+K^2` . Then which of the following is true?
A:-Principle of mathematical induction can be used to prove the formula B:-P(1) is correct
C:-P(k) implies P(k+1) D:-None of the above
Correct Answer:- Option-C
Question26:-Three bags P, Q and R contains 20%, 40% and 40% of the total eggs produced in an industry. Past experience shows that 5%, 4% and 2% of the eggs contained in the respective bags are defective. If an egg was found to be defective, what is the the probability that the egg was from the bag P?
A:-10/36 B:-8/36 C:-10/34 D:-4/35
Correct Answer:- Option-C
Question27:-For the set {1, 2, 3, 4}, which of the following is true for the relation R = {(1,3), (1,4), (2,3),(2,4), (3,1), (4,1),
(4,2), (3,4), (3,2)}
A:-R is symmetric B:-R is transitive
C:-R is antisymmetric D:-None of the above
Correct Answer:- Option-D
Question28:-A correlation coefficient of 1 means that
A:-For every positive increase in one variable, there is a positive increase in a fixed proportion of the other variable B:-For every positive increase in one variable, there is a negative decrease in a fixed proportion of the other variable C:-For every positive increase in one variable, there is no change in a fixed proportion of the other variable
D:-There is no relation between the variables Correct Answer:- Option-A
Question29:-Multiple regression is used
A:-To predict scores on an independent variable from scores on multiple dependent variables B:-To predict scores on an dependent variable from scores on multiple dependent variables C:-To predict scores on an dependent variable from scores on multiple independent variables
D:-To predict scores on an independent variable from scores on multiple independent variables Correct Answer:- Option-C
Question30:-Which of the following is not true when conducting multiple regression?
A:-Data must be free from outliers for a multiple regression B:-Data must be heterogeneous for a multiple regression
C:-Multiple regression can be used to access linear relationships D:-Data must be normally distributed for multiple regression Correct Answer:- Option-B
Question31:-As compared to TTL, CMOS logic has A:-Higher speed of operation
B:-Higher power dissipation C:-Smaller physical size
D:-All of the above Correct Answer:- Option-C
Question32:-Pin 21 of 8086 microprocessor is used for the signal A:-READY
B:-ALE C:-RESET D:-QS1
Correct Answer:- Option-C
Question33:-Assume that the following jobs are to be executed on a single processor system
|
Job identifier |
CPU-Burst Time |
|
P1 |
4 |
|
P2 |
1 |
|
P3 |
8 |
|
P4 |
1 |
|
P5 |
2 |
The jobs are assumed to have arrived at time 0 and in the order P1, P2, P3, P4, P5. Calculate the departure completion time for job P1 if scheduling is round robin with time slice 1.
A:-4
B:-10
C:-12
D:-11
Correct Answer:- Option-D Question34:-The Banker's algorithm is used
A:-To prevent deadlock in operating systems B:-To detect deadlock in operating systems C:-To avoid deadlock in operating systems D:-All of the above
Correct Answer:- Option-C
Question35:-The performance of a digital computer improves when its RAM size increases. This is because A:-Size of virtual memory increases
B:-Number of page faults are less C:-Larger RAMS are very faster
D:-Number of segment faults are less Correct Answer:- Option-B
Question36:-Multiplier Quotient register is placed in A:-Main Memory
B:-CPU
C:-I/O Equipment D:-None of these
Correct Answer:- Option-B
Question37:-Which of the following is/are not true in contiguous allocation of disk space A:-Size of the file is to be declared in advance
B:-There is no external fragmentation
C:-Difficulty in finding space for a new file D:-Both 2 and 3
Correct Answer:- Option-B
Question38:-Interrupt latency for real time OS should be A:-Maximum
B:-Zero
C:-Minimal
D:-None of the above Correct Answer:- Option-C
Question39:-Which of the following is an invalid shell variables?
A:-india_15 B:-_15_india C:-15_india
D:-Both 2 and 3
Correct Answer:- Option-C
Question40:-The output of the following shell programming is var_1 = good
Readonly var_1 var_1= morning echo $var_1 exit 0
A:-good
B:-morning
C:-program will generate an error message D:-none of the above
Correct Answer:- Option-A
Question41:-The time complexity of building a heap with 'n' elements is A:-O(n)
B:-O(log n)
C:-`O(n^2)`
D:-O(n log n)
Correct Answer:- Option-A
Question42:-Which of the following is false regarding AVL trees?
A:-AVL tree is more balanced than binary search tree
B:-AVL tree is more space efficient than binary search tree C:-AVL tree is more time efficient than binary search tree D:-None of the above
Correct Answer:- Option-B
Question43:-What is the worst case complexity of quicksort?
A:-O(n log n)
B:-O(n)
C:-`O(n^2)`
D:-O(log n)
Correct Answer:- Option-C
Question44:-Which data structure can be used to efficiently implement dijkstra's algorithm?
A:-Double ended queue B:-Priority queue
C:-Stack
D:-Binary search tree Correct Answer:- Option-B
Question45:-Which data structure is well suited for separate chaining?
A:-Singly linked list B:-Doubly linked list C:-Circular linked list
D:-Binary trees
Correct Answer:- Option-B
Question46:-In the following code, how many times the program will print "Hello"?
#include<stdio.h> int main()
{
printf("Hello"); main();
return 0;
}
A:-Infinite times B:-32767 times C:-65535 times
D:-till stack overflows Correct Answer:- Option-D
Question47:-What will be output if you will compile and execute the following c code? #include "string.h"
void main()
{
printf("%d%d",sizeof("program"),strlen("program")); getch();
}
A:-8 7
B:-7 8
C:-8 8
D:-7 7
Correct Answer:- Option-A
Question48:-Predict the outputs of following C program. int main()
{
int x = -20; while (x++ !=1); printf("%d", x); return 0;
}
A:-2
B:-1 C:--1
D:-infinite
Correct Answer:- Option-A
Question49:-What is the return type of malloc()?
A:-void*
B:-pointer of allocated memory type C:-void**
D:-int*
Correct Answer:- Option-A
Question50:-What does the following declaration mean? int (*ptr)[20];
A:-ptr is array of pointers to 20 integers
B:-ptr is a pointer to an array of 20 integers C:-ptr is an array of 20 integers
D:-None of these
Correct Answer:- Option-B
Question51:-If class C is derived from another class B which is derived from class A, which class will have minimum level of abstraction?
A:-Class A B:-Class B C:-Class C
D:-All have same level of abstraction Correct Answer:- Option-C
Question52:-Which of the following statement is false?
A:-An abstract class is a class which cannot be instantiated
B:-Creation of an object is not possible with abstract class but it can be inherited C:-An abstract class can contain only Abstract method
D:-None of these
Correct Answer:- Option-D
Question53:-Which is the necessary condition for virtual function to achieve late binding?
A:-Virtual function is to be accessed with direct name
B:-Virtual functions is to be accessed using base class object only C:-Virtual function is to be accessed using pointer or reference
D:-Virtual function is to be accessed using derived class object only Correct Answer:- Option-C
Question54:-Operator overloading is
A:-Making c++ operator works with objects B:-Giving new meaning to existing operator C:-Adding operation to the existing operators D:-All the above
Correct Answer:- Option-C
Question55:-What are all the operators that cannot be overloaded?
A:-Scope Resolution (::) B:-Member Selection (.) C:-New operator (new) D:-Both 1 and 2
Correct Answer:- Option-D
Question56:-Which two of the following methods are defined in class Thread?
A:-Start and wait B:-Start and run C:-Wait and notify D:-Start Only
Correct Answer:- Option-B
Question57:-Which of these class object cannot be used to form a dynamic array in JAVA?
A:-ArrayList B:-Map
C:-Vector
D:-ArrayList and Vector Correct Answer:- Option-B
Question58:-Predict the output of the following code
public class Check
{
public static void main(String args[])
{
String s1 = "test";
String s2 = new String(s1);
System.out.println(s1==s2);
}
}
A:-true B:-false C:-0
D:-test
Correct Answer:- Option-B
Question59:-In java applet programs, the applet life cycle functions are called in which order?
A:-start(), init(), paint(), destroy(), stop()
B:-init(), run(), start(), stop(), destroy()
C:-init(), start(), paint(), stop(), destroy()
D:-start(), run(), paint(), destroy(), stop() Correct Answer:- Option-C
Question60:-The three notion of java virtual machine are A:-class, object, variable
B:-specification, implementation, instance C:-primitive, referential, user defined
D:-byte code, object code, executable Correct Answer:- Option-B
Question61:-Collection of entities that have the same attributes are called A:-Domain
B:-Value set C:-Entity set D:-Entity type
Correct Answer:- Option-D
Question62:-Which of the following key is related with referential integrity constraint?
A:-Primary key B:-Candidate key C:-Foreign key D:-Super key
Correct Answer:- Option-C
Question63:-Consider the following table of data r(R) of the relation schema R(XYZ)
X Y Z
x1 y1 z1 x2 y1 z1 x3 y2 z1
Which of the following functional dependency sets are valid A:-X->Y, Y->Z, Z->X
B:-X->Y, X->Z, Y->Z
C:-Both 1 and 2
D:-None of the above Correct Answer:- Option-B
Question64:-The SQL aggregate function that returns number of values in a given column is A:-count( )
B:-count(*)
C:-sum( )
D:-All of the above Correct Answer:- Option-A
Question65:-Which of the following construct returns true if a given tuple is not present in the subquery A:-exists
B:-not present C:-not exists
D:-none of the above Correct Answer:- Option-C
Question66:-What will be the output of the following query?
CREATE EmployeeView VIEW AS SELECT nothing FROM Employee WHERE ID < 100 A:-EmployeeView will be created with no columns
B:-EmployeeView will be created with column nothing C:-Syntax error
D:-None of the above Correct Answer:- Option-C
Question67:-Consider a relation A with m rows and relation B with n rows. How many rows will be generated if A × B is performed?
A:-m
B:-m + n C:-m - n D:-m * n
Correct Answer:- Option-D
Question68:- is the statement which specifies when the trigger is to be executed.
A:-From B:-Where C:-When
D:-None of the above Correct Answer:- Option-C
Question69:-Which of the following is true about Atomicity?
A:-Smallest unit of transaction
B:-Either all of its operations are executed or none C:-Atleast one of the operation should be executed D:-All of the above
Correct Answer:- Option-B
Question70:-Which of the following differentiates Two-Phase Locking with Strict Two-Phase Locking in Concurrency control?
A:-Release locks after usage B:-Release locks at commit C:-Cascading aborts
D:-None of the above Correct Answer:- Option-B
Question71:-The middle layer of a three layer client/server architecture is called A:-Presentation layer
B:-Application layer C:-Database layer
D:-None of the above Correct Answer:- Option-B
Question72:-Which of the following element in CSS allows authors to use external style sheets in their pages?
A:-position B:-span
C:-extern D:-link
Correct Answer:- Option-D
Question73:-Which of the following object displays prompt dialog in JavaScript?
A:-alert
B:-prompt
C:-document D:-window
Correct Answer:- Option-D
Question74:-A technology for locating information in an XML document is A:-xPath
B:-XSL
C:-MathML
D:-All of the above Correct Answer:- Option-A
Question75:-The method used in PHP to transfer binary data from client to server is A:-GET
B:-POST
C:-Both 1 and 2
D:-None of the above Correct Answer:- Option-B
Question76:-The directive used to specify information needed by ASP.NET to process an ASPX file A:-Page
B:-Register C:-Import D:-Master
Correct Answer:- Option-A
Question77:-Which object in AJAX applications manage asynchronous interaction with the server?
A:-HttpURLConnection B:-HttpRequest
C:-XMLHttpRequest D:-All of the above
Correct Answer:- Option-C
Question78:-Cross-Site Scripting attacks are normally initiated by A:-Web Client
B:-Web Server C:-Both 1 and 2
D:-None of the above Correct Answer:- Option-A
Question79:-Which of the following in ASP.NET is a data source control method?
A:-ExecuteReader B:-SqlDataReader C:-SqlCommand D:-SqlConnection
Correct Answer:- Option-D
Question80:-Which of the following function is used to exit from a PHP Script?
A:-exit( )
B:-die( )
C:-both 1 and 2
D:-none of the above Correct Answer:- Option-C
Question81:-Which one among the following is a private IP address?
A:-11.0.0.1
B:-168.172.29.41
C:-172.15.24.33
D:-192.168.24.40
Correct Answer:- Option-D
Question82:-Which layer in the TCP/IP stack is equivalent to the Transport layer in the OSI model?
A:-Application B:-Host-to-Host C:-Internet
D:-Network Access Correct Answer:- Option-B
Question83:-Which among the following describes the DHCP Discover message?
i. It uses FF:FF:FF:FF:FF:FF as
a layer 2 broadcast
ii. It uses UDP as the Transport
layer protocol
iii. It uses TCP as the Transport
layer protocol
iv.
It does not use a layer 2 destination address A:-i only
B:-i and ii C:-iii and iv D:-iv only
Correct Answer:- Option-B
Question84:-Among the following IP address classes, which one provides a maximum of only 254 host addresses per network ID?
A:-Class A B:-Class B C:-Class C D:-Class D
Correct Answer:- Option-C
Question85:-You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address?
A:-Class A, Subnet 172.16.13.0, Broadcast address 172.16.13.127 B:-Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.127 C:-Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.255 D:-Class B, Subnet 172.16.0.0, Broadcast address 172.16.255.255 Correct Answer:- Option-B
Question86:-You have an interface on a router with the IP address of 192.168.192.10/29. Including the router interface, how many hosts can have IP addresses on the LAN attached to the router interface?
A:-32
B:-30
C:-8
D:-6
Correct Answer:- Option-D
Question87:-The number of unique substitution boxes in DES after the 48 bit XOR operation are A:-4
B:-6
C:-8
D:-12
Correct Answer:- Option-C
Question88:-For `p=11` and `q=17`, choose `e=7`. Find the plain text for the Cipher text 11 using the RSA algorithm A:-88
B:-111
C:-122
D:-143
Correct Answer:- Option-A
Question89:-Which of the following is true about HTTP headers and connection management?
A:-All HTTP responses must either close a connection or include a Content-Length:header to signify to end of a HTTP response body
B:-The Host : field in HTTP allows the same web server to server content for multiple domains
C:-When transferring many small Web objects, the only performance difference between persistent and non-persistent HTTP connections is related to connection establishment
D:-HTTP headers have a fixed size Correct Answer:- Option-B
Question90:-Which of the following about UNIX socket programming is true?
i. When a TCP sender calls
close(), the network stack immediately sends a FIN packet to its peer
ii. send() on a TCP socket causes
a sender to a generate
a TCP/IP packet
and send it out the appropriate network
interface
iii. accept() returns when the
receiver completes the three-way TCP handshake
iv.
The return value of recv() specifies the number of
bytes read from a socket, or if the socket was closed or an error was
encountered
A:-i only B:-i and ii
C:-iii and iv D:-iv only
Correct Answer:- Option-C Question91:-COCOMO stands for
A:-Consumed Cost Model B:-Constructive Cost Model C:-Common Control Model D:-Composition Cost Model Correct Answer:- Option-B
Question92:-Which of the following is not defined in a good Software Requirement Specification (SRS) document?
A:-Functional Requirement
B:-Nonfunctional Requirement C:-Goals of implementation
D:-Algorithm for software implementation Correct Answer:- Option-D
Question93:-Software process and improvement are assessed by A:-ISO 9000
B:-ISO 9001
C:-SPICE (ISO/IEC15504)
D:-Both 2 and 3
Correct Answer:- Option-D
Question94:-CMM model in Software Engineering is a technique of A:-Develop the software
B:-Improve the software process C:-Improve the testing process D:-All of the above
Correct Answer:- Option-B
Question95:-Alpha and Beta Testing are forms of A:-Acceptance testing
B:-Integration testing C:-System testing
D:-Unit testing
Correct Answer:- Option-A
Question96:-Coupling and cohesion can be represented using a A:-cause-effect graph
B:-dependence matrix C:-structure chart
D:-SRS
Correct Answer:- Option-B
Question97:-The tests that run every night during the project development or before a programmer checks in any changes to the global repository are normally characterized as
A:-Integration tests B:-Regression tests C:-Validation tests D:-System tests
Correct Answer:- Option-B
Question98:-Which of the following reason is valid ones for choosing a top-down process?
A:-Developers can present a demo of the project to the management faster than using a bottom-up process B:-A top-down process is more time consuming because of the unit tests
C:-In a top-down design, if an error is detected its always because a lower-level module is not meeting its specifications (because the higher-level ones are already been tested)
D:-A top-down process makes it possible to detect performance problems faster Correct Answer:- Option-A
Question99:-Consider the following statements
(i) Bottom-up testing is not an
effective way to reveal architectural design
flaws.
(ii)
Top-down testing can be time-consuming, because you
need to write stubs for many modules. A:-Only (i) is true
B:-Only (ii) is true
C:-Both (i) and (ii) are true D:-Both (i) and (ii) are false Correct Answer:- Option-C
Question100:-Consider the following statements
(i)
When designing tests, if partitions are chosen
perfectly, there is no point to testing boundary values near the edges of the partition.
(ii)
Glass-box tests designed for one implementation are
valid to use when testing another implementation. A:-Only (i) is true
B:-Only (ii) is true
C:-Both (i) and (ii) are true D:-Both (i) and (ii) are false Correct Answer:- Option-C
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