chapter6

• What is the title of Chapter 6 in "Systems Analysis and Design in a Changing World"?

  Systems Design
• How does systems design differ from systems analysis?

  Systems analysis describes "what" is required, while design tells "how" the system will be configured and constructed.
• What are the inputs and outputs of systems design?

  Documents and models
• What is the objective of design in systems development?

  To define, organize, and structure the components of the final solution as a blueprint for construction.
• What role does analysis play in the design process?

  Analysis provides the starting point for design.
• What is the significance of documenting analysis and design results?

  To coordinate the work involved in systems development.
• What is a key characteristic of design activities?

  Design activities correspond to components of the new system.
• What are the two key elements in the environment of systems design?

  Communications with external systems and conforming to an existing technology architecture.
• What is an application component?

  A well-defined unit of software that performs some function(s).
• What issues are involved in packaging application components?

  Scope and size, programming language, and build or buy decisions.
• Why is the user interface critical to users?

  It has a large impact on user productivity and requires heavy user involvement.
• What type of database technology is frequently used in current systems?

  Relational Database Management Systems (RDBMS).
• What is the purpose of integrity controls?

  To maintain the integrity of inputs, outputs, and data and programs.
• What are security controls designed to protect against?

  Threats, both internal and external.
• What is the objective of value limit controls?

  To check the range of inputs for reasonableness.
• What is the purpose of backup and recovery controls?

  To protect data and systems from catastrophes.
• What are the components of the fraud triangle?

  Opportunity, motive, and rationalization.

  
• What is the role of access controls in system security?

  To limit a person's ability to access servers, files, data, and applications.
• What is encryption?

  It is the method of altering data so it is unrecognizable.
• What is a digital signature?

  A technique where a document is encrypted using a private key.
• What does SSL stand for?

  Secure Sockets Layer.
• What is the purpose of Transport Layer Security (TLS)?

  It is an Internet standard equivalent to SSL for secure communications.
• What is the main focus of systems design activities?

  To describe the environment, design application components, user interface, database, and software classes and methods.
• What are the main activities involved in systems design?

  • Describe the environment
  • Design the application components
  • Design the User Interface
  • Design the database
  • Design the software classes and methods

  
• What are the types of controls in system security?

  • Integrity Controls
  • Input controls
  • Output controls
  • Backup and recovery
  • Fraud prevention
  • Security Controls
  • Access controls
  • Data encryption
  • Digital signatures and certificates
  • Secure transactions