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
