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
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 regressions can be used to access linear relationships
D:-Data must be normally distributed for multiple regressions
Correct Answer: - Option-B
As compared to TTL, CMOS logic has
A:-Higher speed of operation
B:-Higher Power
C:-Smaller physical size
D:-All of the above
Correct Answer:- Option-C
Pin 21 of 8086 microprocessor is used for the signal
A:-READY
B:-ALE
C:-RESET
D:-QS1
Correct Answer:- Option-C
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
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
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
Multiplier Quotient register is placed in
A:-Main Memory
B:-CPU
C:-I/O Equipment
D:-None of these
Correct Answer:- Option-B
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
Interrupt latency for real time OS should be
A:-Maximum
B:-Zero
C:-Minimal
D:-None of the above
Correct Answer:- Option-C
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
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
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
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
:-What is the worst case complexity of quick sort?
A:-O(n log n)
B:-O(n)
C:-`O(n^2)`
D:-O(log n)
Correct Answer:- Option-C
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
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
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
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
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
What is the return type of malloc()?
A:-void*
B:-pointer of allocated memory type
C:-void**
D:-int*
Correct Answer:- Option-A
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Which of the following object displays prompt dialog in JavaScript?
A:-alert
B:-prompt
C:-document
D:-window
Correct Answer:- Option-D
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
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
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
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
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
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
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
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
Which among the following describes the DHCP Discover message?
It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast
It uses UDP as the Transport layer protocol
It uses TCP as the Transport layer protocol
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
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
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
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
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
Which of the following about UNIX socket programming is true?
When a TCP sender calls close(), the network stack immediately sends a FIN packet to its peer
send() on a TCP socket causes a sender to a generate a TCP/IP packet and send it out the appropriate network interface
accept() returns when the receiver completes the three-way TCP handshake
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
COCOMO stands for
A:-Consumed Cost Model
B:-Constructive Cost Model
C:-Common Control Model
D:-Composition Cost Model
Correct Answer:- Option-B
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
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
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
Alpha and Beta Testing are forms of
A:-Acceptance testing
B:-Integration testing
C:-System testing
D:-Unit testing
Correct Answer:- Option-A
Coupling and cohesion can be represented using a
A:-cause-effect graph
B:-dependence matrix
C:-structure chart
D:-SRS
Correct Answer:- Option-B
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
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
Bottom-up testing is not an effective way to reveal architectural design flaws.
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
Consider the following statements
When designing tests, if partitions are chosen perfectly, there is no point to testing boundary values near the edges of the partition.
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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