Description : A package is a collection of A) classes B) interfaces C) editing tools D) classes and interfaces
Last Answer : D) classes and interfaces
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 : A ____ is a namespace for organizing classes and interfaces in a logical manner. Placing your code into ______makes large software projects easier to manage. This section explains why this is useful and ... provided by the Java Platform: a) Inheritance b) Object c) Package d) None of These
Last Answer : c) Package
Description : Why did you write java.util package? (only if you use classes like Scanner or StringTokenizer)
Last Answer : A: To include the functions of the Scanner or StringTokenizer class from the java.util package.
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
Last Answer : C) i-false, ii-true, iii-false, iv-false
Description : The reasons leading to popularity of client-server systems are: A) More powerful workstations on LANs B) Needed for graphical user interfaces of end users. C) Remove computing load for presentation services from the system managing a shared database resource. D) All
Last Answer : D) All
Description : Consider a project with the following functional units : Number of user inputs = 50 Number of user outputs = 40 Number of user enquiries = 35 Number of user files = 06 Number of external interfaces = 04 ... average, the function points for the project will be (A) 135 (B) 722 (C) 675 (D) 672
Last Answer : (D) 672
Description : Which of the following is/are correct with reference to Abstract class and interface ? (a) A class can inherit only one Abstract class but may inherit several interfaces. (b) An Abstract class can provide complete and default ... true (C) Both (a) and (b) are true (D) Neither (a) nor (b) is true
Last Answer : Answer: C
Description : What do you mean by cloud in cloud computing? A. Data exchanged among grid nodes. B. Provides tools to monitor and distribute the number of licenses. C. Provides logical view of data. D. Set of hardware, software, network, storage, services and interfaces.
Last Answer : Set of hardware, software, network, storage, services and interfaces.
Description : ........... a record means a new record to the file. A) Amending B) Updating C) Editing D) Appending
Last Answer : D) Appending
Description : SPSS a. Statistics package for the social science b. Software package for system development c. Software package for editing d. None of the above
Last Answer : a. Statistics package for the social science
Description : Which among the following is the first step of Research Process? a) Review of Literature b) Collection of Data c) Editing and Coding d) Selection of a problem
Last Answer : d) Selection of a problem
Description : What is the default java package?
Last Answer : A: java.lang
Description : Can a package be called as a class?
Last Answer : A: Yes, Package is actually a class present in java.lang package.
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
Description : ............... package is used by compiler itself. So it does not need to be imported for use. A) java.math B) java.awt C) java.applet D) java.lang
Last Answer : D) java.lang
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 : In a java program, package declaration .................... import statements. A) must precede B) must succeed C) may precede or succeed D) none
Last Answer : A) must precede
Description : …………… can be defined as data that has been processed into a form that is meaningful to the recipient and is of real or perceived value in current or prospective decisions. A) Information B) Data collection C) Internal data D) Sample data
Last Answer : A) Information
Description : A graph is a collection of nodes, called ………. And line segments called arcs or ……….. that connect pair of nodes. A) vertices, edges B) edges, vertices C) vertices, paths D) graph node, edges
Last Answer : A) vertices, edges
Description : In RDBMS, Data is presented as a collection of ............ A) Table B) Attributes C) Relations D) Entities
Last Answer : C) Relations
Description : The …………………………. Is a collection of protocols designed by Internet Engineering Task Force(IETF) to provide security for a packet at the Network level. A) IPsec B) Netsec C) Packetsec D) Protocolsec
Last Answer : A) IPsec
Description : This is a global collection of high-powered computer that are connected together with cables, telephone lines, microwave dishes, satellites etc. A) Arpanet B) Internet C) Network
Last Answer : B) Internet
Description : Images tend to be very large collection of data. The size of memory required for a 1024 by 1024 image in which the colour of each pixel is represented by a n-bit number, (in an 8 bit machines) is (A) n × 8 MB (B) n / 8 MB (C) (1024 × 1024) / 8 MB (D) 1024 MB
Last Answer : (B) n / 8 MB
Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n
Last Answer : (A) less than 1
Description : Superficially the term object-oriented , means that, we organize software as a (A) collection of continuous objects that incorporates both data structure and behaviour. (B) collection of ... and behaviour. (D) collection of objects that incorporates both discrete data structure and behaviour.
Last Answer : (C) collection of discrete objects that incorporates both data structure and behaviour.
Description : The distributed system is a collection of (P) and communication is achieved in distributed system by (Q) , where (P) and (Q) are : (A) Loosely coupled hardware on tightly ... message passing ,respectively. (D) Loosely coupled software on tightly coupled hardware and file sharing, respectively.
Last Answer : (C) Tightly coupled software on loosely coupled hardware and message passing ,respectively.
Description : Given the following statements: (a) Strategic value of data mining is time stamping (b) Information collection is an expensive process in building an expert system. Which of the following options is correct ? (A) Both (a) and (b) ... true (C) (a) is true, (b) is false (D) (a) is false, (b) is true
Last Answer : (B) Both (a) and (b) are true
Description : ................. is subject oriented, integrated, time variant, non-volatile collection of data in support of management decisions. (A) Data mining (B) Web mining (C) Data warehouse (D) Database Management System
Last Answer : (C) Data warehouse
Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m
Last Answer : Answer: 1
Description : Which one of the following statements is incorrect ? (A) Pareto analysis is a statistical method used for analyzing causes, and is one of the primary tools for quality management. (B) Reliability of ... (D) In white-box testing, the test cases are decided from the specifications or the requirements.
Last Answer : (D) In white-box testing, the test cases are decided from the specifications or the requirements.
Description : In graphic package what is Paint environment and paint tools and their functions?
Last Answer : What is the answer ?
Description : What is StringTokenizer or Scanner and examples of similar classes (if you used it)
Last Answer : A: StringTokenizer or Scanner is a class which splits up any given string into tokens separated by delimiters.
Description : State any two IOException classes.
Last Answer : A: EOFException and FileNotFoundException.
Description : The .................. and .................... classes are abstract classes that support reading and writing of byte streams. A) reader, writer B) inputstream, outputstream C) objectinputstream, objectoutputstream D) none
Last Answer : B) inputstream, outputstream
Description : 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- ... C) i-true, ii-true, iii-true, iv-true D) i-true, ii-false, iii-false, iv-false
Last Answer : B) i-false, ii-false, iii-false, iv-false
Description : In JDBC ........................ imports all Java classes concerned with database connectivity. A) javax.sql.* B) java.mysql.* C) java.sql.* D) com.*
Last Answer : C) java.sql.*
Description : Inner classes are A) anonymous classes B) nested classes C) sub classe
Last Answer : B) nested classes
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 : …………. 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 ………………. 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 : The friend functions are used in situations where A) We want to exchange data between classes B) We want to have access to unrelated classes C) Dynamic binding is required D) We want to create versatile overloaded operators.
Last Answer : A) We want to exchange data between classes
Description : …………. Refer to the names of variables, functions, arrays, classes etc. created by the programmer. A) Keywords B) Identifiers C) Constraints D) Strings
Last Answer : B) Identifiers
Description : C++ has the name ………………….. before it was changed to C++. A) Improved C B) Integrated C C) C with classes D) C with Simula
Last Answer : C) C with classes
Description : Equivalence partitioning is a .................. method that divides the input domain of a program into classes of data from which test cases can be derived. (A) White-box testing (B) Black-box testing (C) Orthogonal array testing (D) Stress testing
Last Answer : (B) Black-box testing
Description : .................. 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
Last Answer : (B) Inheritance
Description : All the classes necessary for windows programming are available in the module : (A) win.txt (B) win.main (C) win.std (D) MFC
Last Answer : (A) win.txt
Description : Consider the two class classification task that consists of the following points: Class C1: [1 1.5] [1 -1.5] Class C2: [-2 2.5] [-2 -2.5] The decision boundary between the two classes using single perceptron is given by: (A) x1+x2+1.5=0 (B) x1+x2-1.5=0 (C) x1+1.5=0 (D) x1-1.5=0
Last Answer : (C) x1+1.5=0