Description : Find the false statement: (A) The relationship construct known as the weak relationship type was defined by Dey, Storey & Barron (1999). (B) A weak relationship occurs when two ... Ternary, Quaternary and Quintary relationships are shown through a series of application scenario's and vignette's
Last Answer : (C) Conceptual model is not accurate representation of "Universe of interest".
Description : Let us assume that you construct ordered tree to represent the compound proposition (~(p˄q))↔(~p˅~q). Then, the prefix expression and post-fix expression determined using this ordered tree are given as ........... and .......... ... ~p~q~˅↔ (C) ↔~˄pq˅ ~~pq, pq˄~p~ ~q˅↔ (D) ↔~˄pq˅ ~p~q, pq˄~p~~q˅↔
Last Answer : (B) ↔~˄pq˅ ~p~q, pq˄~p~q~˅↔
Description : Java Servlet i) is key component of server side java development ii) is a small pluggable extension to a server that enhances functionality iii) runs only in Windows Operating System iv) allows developers to customize any java ... & iv are true C) ii, iii & iv are true D) i, ii & iv are true
Last Answer : D) i, ii & iv are true
Description : A ………………. is an extension of an enterprise’s private intranet across a public Network such as the Internet across a public Network such as the Internet, creating a secure private connection. A) VNP B) VPN C) VSN D) VSPN
Last Answer : B) VPN
Description : Cohesion is an extension of: (A) Abstraction concept (B) Refinement concept (C) Information hiding concept (D) Modularity
Last Answer : (C) Information hiding concept
Description : ...............tag is an extension to HTML that can enclose any number of Javascript statements. (A)< SCRIPT> (B)< BODY> (C)< HEAD> (D)
Last Answer : Answer: A
Description : The major goal of inheritance in C++ is A) To facilitate the conversion of data types B) To help modular programming C) To facilitate the reusability of code D) To extend the capabilities of a class
Last Answer : D) To extend the capabilities of a class
Description : DML is provided for (A) Description of logical structure of database. (B) Addition of new structures in the database system. (C) Manipulation & processing of database. (D) Definition of physical structure of database system.
Last Answer : C) Manipulation & processing of database.
Description : Compute the value of adding the following two fuzzy integers: A = {(0.3,1), (0.6,2), (1,3), (0.7,4), (0.2,5)} B = {(0.5,11), (1,12), (0.5,13)} Where fuzzy addition is defined as μA+B(z) = maxx+y=z (min(μA(x), μB( ... ,18)} (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)}
Last Answer : (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)}
Description : State true or false for the following statements in Java. i) Java beans slow down software development process. ii) Java Servlets do not have built in multithreading feature. A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true
Last Answer : A) i-false, ii-false
Description : 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
Last Answer : (D) OLE
Description : Which of the following neural networks uses supervised learning? (A) Multilayer perceptron (B) Self organizing feature map (C) Hopfield network (1) (A) only (2) (B) only (3) (A) and (B) only (4) (A) and (C) only
Last Answer : (1) (A) only
Description : What is the best way to construct a class?
Last Answer : answer:Take a constructivist approach. Draw and build on their existing knowledge. They are coming to the class with some understanding of what they need this system to do. They have probably used ... as a group and individually. Provide some takeaway materials they can refer to after the class.
Description : The main feature of Carnot refrigeration cycle is that, it (A) Does not need the addition of external work for its functioning (B) Transfers heat from high temperature to low temperature (C) Accomplishes the reverse effect of the heat engine (D) None of these
Last Answer : (C) Accomplishes the reverse effect of the heat engine
Description : Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage. (A) 560 (B) 565 (C) 570 (D) 575
Last Answer : (A) 560
Description : The major shortcoming of waterfall model is (A) the difficulty in accommodating changes after requirement analysis. (B) the difficult in accommodating changes after feasibility analysis. (C) the system testing. (D) the maintenance of system.
Last Answer : (A) the difficulty in accommodating changes after requirement analysis.
Description : What is an abstract class?
Last Answer : A: An abstract class is a class that is declared abstract—it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed.
Description : Name some function of Scanner class.
Last Answer : A: next(), nextInt(), hasNextInt() etc.
Description : Name some function of StringTokenizer class.
Last Answer : A: nextToken(), countToken(), hasMoreTokens() etc.
Description : What are wrapper class?
Last Answer : A wrapper class is a class which wraps (encloses) around a data type and gives it an object appearance. Wherever, the data type is required as an object, this object can be used.
Description : What is a class variable?
Last Answer : A: Instance variables having the keyword ‘static’ before it is a class variable. For every object there is just one copy of the variable made.
Description : Can a package be called as a class?
Last Answer : A: Yes, Package is actually a class present in java.lang package.
Description : What is a class?
Last Answer : A: A class is a blueprint or prototype from which objects are created.
Description : State true of false. i) Public can only be assigned to class ii) Protected protects a statement iii) Protected method is never accessible outside the package iv) Friendly variable may be accessible outside class A) i- ... -false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true
Last Answer : C) i-false, ii-true, iii-false, iv-false
Description : Each method in a java class must have a unique name . A) Not necessary B) True C) False D) None of the above
Last Answer : A) Not necessary
Description : State true or false. i) Jpanel is a class included in awt package. ii) Anonymous classes are mostly used for event handling. iii) Names of anonymous classes must be unique iv) JOptionPane is an inner class A) i-false ... ) i-false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true
Description : Using which keyword we can access value of the instance variables and class variables of that class inside the method of that class itself. A) super B) final C) this D) either super or this
Last Answer : C) this
Description : Data input is A) an abstract class defined in java.io B) a class we can use to read primitive data types C) an interface that defines methods to open files. D) an interface that defines methods to read primitive data types.
Last Answer : D) an interface that defines methods to read primitive data types.
Description : The concept of multiple inheritance is implemented in Java by A) extending two or more classes B) extending one class and implementing one or more interfaces C) implementing two or more interfaces D) both B and C
Last Answer : D) both B and C
Description : Which of the following methods belong to the string class? A) length( ) B) compare To ( ) C) equals ( ) D) All of them
Last Answer : D) All of them
Description : The class string belongs to ................... package. A) java.awt B) java.lang C) java.applet D) java.string
Last Answer : B) java.lang
Description : The class at the top of exception class hierarchy is .......................... A) ArithmeticException B) Throwable C) Class D) Exception
Last Answer : B) Throwable
Description : ...................... of a remotely accessible object must implement ................ A) all methods, RemoteException B) class, RemoteException C) class, RemoteInterface D) all methods, RemoteInterface
Last Answer : C) class, RemoteInterface
Description : State true or false for Java Program. i) Data members of an interface are by default final ii) An abstract class has implementations of all methods defined inside it. A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true
Last Answer : C) i-true, ii-false
Description : State true or false for Java Program. i) All class variables are instance variables ii) All protected methods are friendly methods A) i-false, ii-false B) i-false, ii-true
Last Answer : B) i-false, ii-true
Description : The out object is an object encapsulated inside the ................. class, and represents the standard output device. A) standard B) local C) globlal D) system
Last Answer : D) system
Description : State true of false. i) AWT is an extended version of swing ii) Paint( ) of Applet class cannot be overridden A) i-false, ii-false B) i-false,ii-true C) i-true, ii-false D) i-true, ii-true
Description : When a program class implements an interface, it must provide behavior for A) two methods defined in that interface B) any methods in a class C) only certain methods in that interface D) all methods defined in that interface
Last Answer : D) all methods defined in that interface
Description : All java classes are derived from A) java.lang.Class B) java.util.Name C) java.lang.Object D) java.awt.Window
Last Answer : D) java.awt.Window
Description : Native – protocol pure Java converts ……….. into the ………… used by DBMSs directly. A) JDBC calls, network protocol B) ODBC class, network protocol C) ODBC class, user call D) JDBC calls, user call
Last Answer : A) JDBC calls, network protocol
Description : Which is the root class of all AWT events A) java.awt.ActionEvent B) java.awt.AWTEvent C) java.awt.event.AWTEvent D) java.awt.event.Event
Last Answer : B) java.awt.AWTEvent
Description : …………. Is the process of creating new classes, called derived classes from existing classes called base class. A) Inheritance B) Encapsulation C) Polymorphism D) Overloading
Last Answer : A) Inheritance
Description : A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor
Last Answer : B) Copy Constructor
Description : A ………………. Is a class whose instances themselves are classes. A) Subclass B) Abstract Class C) Meta Class D) Object Class
Last Answer : C) Meta Class
Description : Which of the following is/ are the characteristics of friend function. A) It is not in the scope of the class to which it has been declared as friend. B) It can invoke like a normal function without the help of any object. C) Usually, it has the objects as arguments. D) All of the above.
Last Answer : D) All of the above.
Description : State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False
Last Answer : B) True, False
Description : Which of the following keywords are used to control access to a class member? A) default B) break C) protected D) goto
Last Answer : C) protected