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

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
by

1 Answer

Answer :

A) i-false, ii-false
by

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Last Answer : C) i-false, ii-true, iii-false, iv-false

State true or false. i) init() is called after start() in applet ii) applets are used for networking iii) inheritance is a part of Java Foundation Classes iv) final does not prevent inheritance A) i-true, ii-true, iii-false, iv-true B) i-false, ii-false, iii-false, iv-false C) i-true, ii-true, iii-true, iv-true D) i-true, ii-false, iii-false, iv-false

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Which of the following differentiates between overloaded functions and overridden functions ? (A) Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. (B) Overloading is a static or compile time binding and overriding is dynamic or runtime binding. (C) Redefining a function in a friend class is called overloading, while redefining a function in a derived class is called as overridden function. (D) Redefining a function in a derived class is called function overloading, while redefining a function in a friend class is called function overriding.

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Which one of the following is correct? (A) Java applets cannot be written in any programming language (B) An applet is not a small program. (C) An applet can be run on its own. (D) Applets are embedded in another applications.

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State true of false. i) We cannot make the function inline by defining a function outside the class. ii) A member function can be called by using its name inside another member function of the same class, this is known as nesting of member function. A) True, True B) True, False C) False, True D) False, False

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Which method will a web browser call on a new applet? A) main method B) destroy method C) execute method D) init method

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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-true, ii-true, iii-false, iv-true B) i-true, ii-false, iii-true, iv-false C) i-false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true

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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

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Last Answer : C) i-true, ii-false

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Can you allow a class to be inherited, but prevent the method from being overridden?

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Can you allow class to be inherited, but prevent the method from being overridden?

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Last Answer : Yes, just leave the class public and make the method sealed. 

What can you say about the following statements? I. XML tags are case-insensitive. II. In JavaScript, identifier names are case-sensitive. III. Cascading Style Sheets (CSS) cannot be used with XML. IV. All well-formed XML documents must contain a document type definition. (1) only I and II are false. (2) only III and IV are false. (3) only I and III are false. (4) only II and IV are false.

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Last Answer : Answer: Marks to all

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Last Answer : A) i-true, ii-true, iii-false, iv-true

State whether true or false. i) init( ) of servlet is called after a client request comes in ii) Servlets are ultimately converted into JSP A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true

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Last Answer : A) i-false, ii-false

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

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Last Answer : A) i-false, ii-false

State True or False. i) While overloading operators new operator can be overloaded. ii) The binary operator such as +, -, * and must explicitly return a value. A) True, True B) True, False C) False, True D) False, False

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State True or False i) A destructor never takes any argument nor does it return any value. ii) It releases memory space for future use. A) True, True B) True, False C) False, True D) False, False

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Last Answer : A) True, True

State whether true of false. i) A worm mails a copy of itself to other systems. ii) A worm executes a copy of itself on another system. A) True, False B) False, True C) True, True D) False, False

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Last Answer : C) True, True

State true of false. i) With paging, each process is divided into relatively small, fixed-size pages. ii) Segmentation provides for the use of pieces of varying size. A) Partition management B) Memory management C) Disk management D) All of the above

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State true or false. i) Unix, support multiple user process but only support one thread per process. ii) A java run time environment is an example of a system of one process with multiple threads. A) True, False B) True, True C) False, True D) False, False

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Last Answer : B) True, True

State whether true or false. i) Multithreading is useful for application that perform a number of essentially independent tasks that do not be serialized. ii) An example of multithreading is a database server that listens for and process numerous client request. A) i-True, ii-False B) i-True, ii-True C) i-False, ii-True D) i-False, ii-False

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Last Answer : B) i-True, ii-True

State whether the following statement is true. i) It takes less time to terminate a thread than a process. ii) Threads enhance efficiency in communication between different executing programs. A) i-True, ii-False B) i-True, ii-True C) i-False, ii-True D) i-False, ii-False

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Last Answer : B) i-True, ii-True

State True or False. i) In spooling high speed device like a disk is interposed between running program and low-speed device in Input/output. ii) By using spooling for example instead of writing directly to a printer, outputs are written to the disk. A) i-True, ii-False B) i-True, ii-True C) i-False, ii-True D) i-False, ii-False

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Last Answer : B) i-True, ii-True

State True or False. i) Master Development Plan basically is a schedule of various applications to be comprised. ii) It consists of start and finish dates of a system analysis, design implementation and maintenance activities. A) i-True, ii-True B) i-False, ii-True C) i-True, ii-False D) i-False, ii-False

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Last Answer : A) i-True, ii-True

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Last Answer : A) True, True

State True or False. i) Binary search is used for searching in a sorted array. ii) The time complexity of binary search is O(logn). A) True, False B) False, True C) False, False D) True, True

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Last Answer : D) True, True

State True of False. i) Network is a graph that has weights or costs associated with it. ii) An undirected graph which contains no cycles is called a forest. iii) A graph is said to be complete if there is no edge between every pair of vertices. A) True, False, True B) True, True, False C) True, True, True D) False, True, True

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Last Answer : B) True, True, False

State true or false. i) An empty tree is also a binary tree. ii) In strictly binary tree, the outdegree of every node is either o or 2. A) True, False B) False, True C) True, True D) False, False

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Last Answer : C) True, True

State true of false. i) A node is a parent if it has successor nodes. ii) A node is child node if out degree is one. A) True, True B) True, False C) False, True D) False, False

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Last Answer : B) True, False

State true or false. i) The degree of root node is always zero. ii) Nodes that are not root and not leaf are called as internal nodes. A) True, True B) True, False C) False, True D) False, False

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Last Answer : C) False, True

State true or false i) A candidate key is a minimal super key. ii) A candidate key can also refer to as surrogate key. A) i-true, ii-false B) i-false, ii-true C) i-true, ii-true D) i-false, ii-false

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Last Answer : C) i-true, ii-true

State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False

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Last Answer : A) True, False

State true or false. i) Socks are a standard for circuit level gateways. ii) The NAT is used for small number of the hosts in a private network. A) True, False B) False, True C) True, True D) False, False

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Last Answer : D) False, False

State whether true or false. i) A connection oriented protocol can only use unicast addresses. ii) The anycast service is included in IPV6. A) True, True B) True, False

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Last Answer : i) A connection oriented protocol can only use unicast addresses.

State whether the following is True or False. i) In bus topology, heavy Network traffic slows down the bus speed. ii) It is multipoint configuration. A) True, True B) True, False C) False, True D) False, False

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Last Answer : A) True, True

Each method in a java class must have a unique name . A) Not necessary B) True C) False D) None of the above

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Last Answer : A) Not necessary

Given the following statements : (A) A class of languages that is closed under union and complementation has to be closed under intersection. (B) A class of languages that is closed under union and intersection has to be closed under complementation. Which of the following options is correct? (1) Both (A) and (B) are false. (2) Both (A) and (B) are true. (3) (A) is true, (B) is false. (4) (A) is false, (B) is true.

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Last Answer : (A) is true, (B) is false. 

Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. iv) We cannot refer their address. v) Constructors cannot virtual. A) Only i, ii, iii and v B) Only ii, iii, iv, and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

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Last Answer : D) All i, ii, iii, iv and v

Javascript and Java has similar name because ........... is/are true. (a) Javascripts syntax is loosely based on Java’s syntax (b) Javascript is stripped down version of Java (c) Java and Javascript are originated from Island of Java Codes : (A) (a) only (B) (a), (b) and (c) (C) (a) and (b) (D) (a) and (c)

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Last Answer : Answer: A

Which of the following is true about the characteristics of abstract data types? i) It exports a type. ii) It exports a set of operations A) True, False B) False, True C) True, True D) False, False

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Last Answer : C) True, True