SAD - W2-3

Data

consists of raw, unorganized, and unprocessed facts

Information

data that has been processed, organized, and contextualized so that it becomes meaningful and useful for decision-making

Combination of hardware, software, and telecommunications systems that support business operations, improve productivity, and helps in decision making.

Information Technology

A group of elements that are integrated with the common purpose of achieving an objective.​

System

It is the wider environment or the overarching system that contains, manages, and influences multiple subsystems.

Supersystem

a smaller component or an elemental part of a larger system. It is designed to perform a specific, dedicated task that contributes to the ultimate goal of the overall system

Subsytem

Automation Boundary

Tasked performed by computers

Tasks performed by people

Manual boundary

Physical System - Open Loop

blindly execute actions without verification (like a basic mechanical kitchen timer). IPO

Conceptual Systems - Close Loop

analyze output feedback against a target to self-correct automatically.

Integrated set of components for collecting, storing, processing data, and delivering information and digitalized products

Information System

components of hardware

Hardware, Software, Data, People, Procedures, Network/Communications

Asystem that records, processes, and stores an organization's routine day-to-day business transactions. It ensures that daily operations run efficiently and accurately.​

• Ex. Payroll System, Online Booking Systems

Transaction Processing Systems (TPS)

A system that collects data from TPS and generates routine reports to help middle managers monitor and control business operations.​

• Ex. Monthly Sales Report, Inventory Reports​

Management Information Systems (MIS)

A computer-based system that helps managers make semi-structured or non-routine decisions by analyzing data and providing different scenarios.​

• Ex. Sales Forecasting, Budgeting, Weather Forecast​

Decision Support Systems (DSS)

A system designed for top executives that provides summarized information, trends, and dashboards for strategic decision-making.​

• Ex. Company Performance Dashboards​

Executive Support Systems (ESS)

A system that improves office productivity by automating routine office tasks and facilitating communication.​

• Ex. Word Processing, Email, Video Conferencing​

Office Automation Systems (OAS)

A system that captures, organizes, stores, and shares knowledge within an organization to improve learning and decision-making.​​

Ex. Employee Training Portals​

Knowledge Management Systems (KMS)​

An AI-based system that mimics the knowledge and reasoning of human experts to solve complex problems and provide recommendations.​​

• Ex. Medical Diagnostic Systems, Loan Approval Systems​

Expert Systems (ES)

A system that helps organizations manage customer interactions, improve customer service, and increase sales and customer retention.​

• Ex. Salesforce CRM​

Customer Relationship Management System (CRMS)

A system that manages the flow of goods, services, information, and finances from suppliers to customers.​

Ex. Warehouse management, logistics tracking​

Supply Chain Management System (SCMS)

An integrated information system that manages and connects an organization's core business processes using a single centralized database.​

• Ex. Microsoft Dynamic 365

Enterprise Resource Planning System (ERPS)

What is SAD

process of studying, planning, creating, and implementing information systems to solve business problems and improve organizational performance.​

This involves understanding and examining an existing system or business problem.

What problem needs to be solved?

System Analysis

This is the key Activities of System Analysis

• Identifying problems and opportunities ​

• Gathering user requirements ​

• Analyzing business processes ​

• Evaluating current systems

• Determining what the new system should do

True

This involves creating the blueprint for the new system based on the requirements identified during analysis.​

How will the solution be developed?

System Design

This is the key Activities of System Design

• Designing system architecture ​

• Creating database structures ​

• Designing user interfaces ​

• Defining input, processing, and output methods ​

• Planning security and controls ​

True

professional who analyzes an organization's business needs and designs or recommends information system solutions to improve efficiency, productivity, and problem-solving. They act as a bridge between business users and the technical development team.​

System Analyst

responsible for studying existing business processes, identifying problems, gathering user requirements, and helping design and implement information systems that meet organizational needs.​

System Analyst

Tasks of a Systems Analyst​

• Analyze existing systems and business processes.​

• Gather and document user requirements.​

• Identify problems and recommend solutions.​

• Design system specifications and workflows.​

• Communicate with users, managers, and developers.​

• Assist in system testing and implementation.​

• Prepare system documentation and user manuals.​

• Provide support and recommend system improvements.

True

Skills of a System Analyst​

• Analytical and critical thinking​

• Problem-solving skills​

• Communication and interpersonal skills​

• Knowledge of business processes​

• Understanding of databases and information systems​

• Basic programming and software development knowledge​

• Project management and documentation skills

True

This is the key Activities of System Analysis

• Designing system architecture ​

• Creating database structures ​

• Designing user interfaces ​

• Defining input, processing, and output methods ​

• Planning security and controls ​

False

This is the key Activities of System Design

• Identifying problems and opportunities ​

• Gathering user requirements ​

• Analyzing business processes ​

• Evaluating current systems

• Determining what the new system should do

False

Skills of a Systems Analyst​

• Analyze existing systems and business processes.​

• Gather and document user requirements.​

• Identify problems and recommend solutions.​

• Design system specifications and workflows.​

• Communicate with users, managers, and developers.​

• Assist in system testing and implementation.​

• Prepare system documentation and user manuals.​

• Provide support and recommend system improvements.

False

Skills of a System Analyst​

• Analytical and critical thinking​

• Problem-solving skills​

• Introvert

• don’ have knowledge of business processes​

• Understanding of databases and information systems​

• Basic programming and software development knowledge​

• Project management and documentation skills

False

Importance of a System Analyst

• The system meets user requirements. ​

• Business processes become more efficient. ​

• Development costs and errors are minimized. ​

• Communication between users and developers is clear and effective.​​

True

which is not a skill of a System Analyst?

Gaming and Prompting Skills

Importance of a System Analyst

• The system meets user requirements. ​

• Business processes become more efficient. ​

• Development costs and errors are maximized. ​

• Communication between users and developers is confusing.

False

True