RPSC Programmer Examination

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Questions and Answers

Which of the following best describes ‘Encapsulation’ in object-oriented programming?

The ability of a class to inherit properties from another class.

The process of creating multiple classes from a single abstract class.

Hiding the internal state of an object and requiring all interaction to be performed through an object's methods. (correct)

The ability to change the implementation of a function without affecting the class interface.

What is a key advantage of Byte Code in Java?

It is slower than native machine code.

It is larger in size compared to compiled code.

It allows Java applications to run on any platform with a Java Virtual Machine. (correct)

It is not portable across different operating systems.

Which programming paradigm emphasizes dividing a program into distinct modules or components?

Modular Design (correct)

Procedural Programming

Object-Oriented Programming

Functional Programming

What is a characteristic of effective software maintenance?

The ability to adapt software to changes in requirements without extensive restructuring. Signup and view all the answers

In Java, what does the term ‘this pointer’ refer to?

A keyword that denotes the current object within an instance method or constructor. Signup and view all the answers

Which of the following concepts refers to the ability of different classes to share a common interface while maintaining distinct behaviors?

Polymorphism Signup and view all the answers

Which of the following is an example of a formal program verification method?

Static code analysis Signup and view all the answers

What best defines maintainability in the context of software?

The ease with which a software product can be adapted to changes. Signup and view all the answers

What is the primary purpose of normalization in database design?

To ensure data accuracy and eliminate redundancy Signup and view all the answers

Which statement accurately defines the elements of the system development lifecycle?

It consists of planning, analysis, design, implementation, and maintenance Signup and view all the answers

What is the primary function of a transaction model in database management?

To maintain integrity and consistency during database operations Signup and view all the answers

Which of the following allows for a database to recover from a failure?

Recovery management Signup and view all the answers

What is the significance of using data dictionaries in system analysis and design?

They serve as a reference for data element definitions and relationships Signup and view all the answers

Which layer of the TCP/IP stack is responsible for providing host-to-host communication?

Transport layer Signup and view all the answers

In data communication, what does CSMA/CD stand for?

Carrier Sense Multiple Access with Collision Detection Signup and view all the answers

Which type of database model uses ER diagrams for conceptual data design?

Relational Database Signup and view all the answers

Study Notes

Rajasthan Public Service Commission Programmer Examination

The examination consists of two papers: Paper I and Paper II
Each paper is worth 100 marks and contains 100 multiple-choice questions
Each paper's duration is two hours
Negative marking applies: for each incorrect answer, one-third of the marks for that question are deducted

Paper I - Reasoning Test, Numerical Analysis, and General Knowledge

Reasoning: Problem-solving, Data Interpretation, Data Sufficiency, Logical Reasoning, and Analytical Reasoning
General Knowledge: Current Affairs concerning India and Rajasthan.
Data Base Management Systems:
- ER Diagram: Entity Relationship Diagram - used to model data and relationships between entities
- Data Models:
  - Relational Databases
  - Object-Oriented Databases
- Data Base Design:
  - Conceptual Data Base Design
  - Normalization
  - Data Types
  - Physical and Logical Databases
  - Data Abstraction and Data Independence
  - Data Aggregation and Relational Algebra
- Application Development using SQL:
  - Host Language interface
  - Embedded SQL Programming
  - Stored procedures, Triggers, and Views
  - Constraints assertions
- RDBMS Internals:
  - Physical Data Organization in Sequential, Indexed Random, and Hashed Files
  - Inverted and Multilist Structures
  - B Trees and B+ Trees
  - Query Optimization
  - Join Algorithms
- Transaction Processing
  - Concurrency Control
  - Recovery Management
  - Transaction Model Properties and State Serialisability
  - Lock-Based Protocols
  - Two-Phase Locking

Paper II - System Analysis and Design, Programming Concepts

System Analysis and Design
- System Concepts
  - System Definition and Characteristics
  - Elements and Boundaries
  - Types of System Development Lifecycle
  - Recognition of Needs
  - Feasibility Study
  - Prototyping
  - Role of System Analyst
- System Planning and Tools:
  - DFD (Data Flow Diagram)
  - Data Dictionary
  - Decision Trees
  - Structured Analysis and Decision Tables
  - IPO Charts
  - Structured Walkthrough
  - Input/Output Form Design
  - Requirement and Classification of Forms
  - Layout Considerations
  - Form Control
  - Object-Oriented Design Concepts and Methods
- Software Life Cycle:
  - Software Engineering Paradigms
- System Analysis:
  - Feasibility Study
  - Requirement Analysis
  - Cost-Benefit Analysis
  - Planning Systems
  - Analysis Tools and Techniques
- System Design:
  - Design Fundamentals
  - Modular Design
  - Data and Procedural Design
  - Object-Oriented Design
- System Development:
  - Code Documentation
  - Program Design Paradigms
  - Efficiency Consideration
- Verification, Validation, and Testing:
  - Testing Methods
  - Formal Program Verification
  - Testing Strategies
- Software Maintenance:
  - Maintenance Characteristics
  - Maintainability
  - Maintenance Tasks and Side Effects
Programming Concepts:
- Introduction:
  - Internet
  - Java as a tool for internet applications
  - Byte Code and its advantages
- Object-Oriented Programming and Design:
  - Review of Abstraction, Objects, and other basics
  - Encapsulation
  - Information Hiding
  - Method and Signature
  - Classes and Instances
  - Polymorphism
  - Inheritance
  - Exceptions and Exception Handling
  - Object Modeling
  - Coupling and Cohesion in object-oriented software
  - Object-Oriented Design - Process, Exploration and Analysis
- Java Programming Basics:
  - Variables and Assignments
  - Input and Output
  - Data Types and Expressions
  - Flow of Control
  - Local Variables
  - Overloading
  - Parameter Passing
  - this Pointer
- Java Object-Oriented Concepts:
  - Use of files for I/O
  - Formatting output with stream functions
  - Character I/O
  - Inheritance
  - Public and Private Members
  - Constructors for Initialization
  - Derived Classes
  - Flow of Control
  - Arrays - Programming with arrays
  - Arrays of classes
  - Arrays as function arguments
  - Strings
  - Multidimensional arrays
  - Arrays of strings
  - Vectors
  - Base classes
- Introduction to JSP, RMI, Java Applets, and Servlets
- Introduction to DotNet framework and visual programming interface

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Description

Prepare for the Rajasthan Public Service Commission Programmer Examination with this quiz focused on Paper I. Test your knowledge in reasoning, numerical analysis, and general knowledge, including current affairs from India and Rajasthan. Review key concepts in Database Management Systems such as ER Diagrams, data models, and database design principles.