4BCA4 - SYSTEM ANALYSIS & DATA PROCESSING
 

ELECTRONIC DATA PROCESSING

• Data, information, Data Processing & Structure
• Definitions
• Examples of Information & Data
• Need for Data Processing
• Factors Determining the methods of Data Processing
• Size & Type of Business
• Timing Aspects
• Link Between Applications
• Data Processing cycles, Methods & Application
• Data Processing stages
• Methods-manual, Semi Manual, Mechanical, Electronic
• Applications-System Development operation Administration
• The logical Model of a D.P. System
• Advantages and Drawbacks of Electronic data Processing
• Advantages-Speed, Accuracy, Flexibility, Automation, Storage Capacity, Security, Data Validation Checks
• Disadvantages- Expensive, Required Trained personnel Monotony
• Step Involving in computer systems & cost elements
• Requirement of computer systems & its necessary Equipment
• Cost Elements- Infra Structure facilities
• Investment in Management, Manpower Training & Security

FILE ORGANIZATION

• Elements and type of Files
• Define File, Logical Files & Physical Files
• Elements of a Computer Files (A) Data Items (B) Field (C) Record
• Type of files (a) Master files (b) Transaction files (c) Reference files (d) report riles (e) Security of backup file.
• File Processing Activities and Design Consideration
• Processing Activities Creation, Updating, Referencing, File Maintenance, File enquiry
• Online Processing, Batch Processing, Real time Processing (Translation Processing)
• Access Techniques Serial, Sequential, Direct, Indexed sequential
• File Organisation and Design
• Define file Organisation
• Methods of Organisation-Serial, Sequential, Indexed Sequential, Random
• File design Consideration-storage of data, record type, Fixed/variable length records, way of updation
  • Factors in the design- Storage devices, File access, File size, Cost of file, File Maintenance, File privacy.

SYSTEM ANALYSIS AND DESIGN

• Specific Phases in System Development
• Definition of System Analysis and Design
• Role of System Analysis
• The System Life Cycle-Stages
• Preliminary Survey Study
• Feasibility Study
• Investigations
• Analysis
• Design
• Implementation
• Maintenance and Review
• Area selection and problem definition
• Defining problem, Problem location, Types of problems
• Stages in Data Collection
• Feasibility Study
• The Purpose of feasibility study
• Meaning and Objective
• Feasibility consideration, Step in feasibility analysis.
• Feasibility report
• System Documentation and Communication
• Objective, Need, Characteristic of good Communication
• System Documentation
• System Implementation and Evaluation
• System Implementation
• Training of Staff
• Programming
• System Testing
• Master file conversion
• Change over Procedure
• Review and Maintenance
• The Evolution of Data processing General Development in Equipment

CONTROL IN EDP ENVIRONMENT

• Introduction to Organisation of EDP Department
• Meaning, Definition, Objective advantages and disadvantages, example of EDP deptt.
• System development & Procedure controls
• Various steps in system developments
• Procedure Control requirement, hardware/Processing and file input/output control
• Data Validation
• Data Collection Controls
• Validation checks input, output
• Main types of validation Checks
• Difference between Data Validation and Data Verification
• Processing, file & Library controls
• Computer Security
• Meaning and various methods of Software/Hardware security
• Prevention of Unauthorized use of software/Hardware, privacy
• Password, Audit trail, Viruses, Prevention of viruses, software/hardware
• Protect Voltage fluctuations, Dust etc.

SOFTWARE ENGINEERING

• Trends in Software Development
• The evolving role of Software
• In Industry Perspective
• Some initial Solutions
• Structured Methodologies
• Major Influencing Factors- Evolution of End-User computing, Emergence of CASE Tools, Use of Prototyping and 4GL Tools, Relational Database, Object Oriented programming, graphical User Interface
• Using the Methodology, Choosing the Right Methodology, Implementing a Methodology.
• What tools are available for Developing Software?
• Which Tools are you most likely to use ?
• Current generation of Software development tools

TEXT & REFERENCE BOOKS :

• DATA PROCESSING AND SYSTEM DESIGN By V.K. Kapoor - S.Chand & Co. New Delhi
• SYSTEM ANALYSIS & DESIGN By Elias M Award
  COMPUTERS TODAY By S.K. Basandra