Systems Planning

B2C and B2B

Ecommerce includes two main sectors

Projects

Objects possess characteristics

Deliverable

Result of each phase

Server Farm

a large concentration of servers working together

Horizontal System

a system, such as an inventory or a payroll application, that can be adapted for use in many different types of companies

Supply Chain

all the companies who provide materials, services, and functions needed to provide a product to a customer

Data Flow Diagram

because it uses various symbols and shapes to represent data flow, processing and storage.

Systems Planning Phase

begins with a formal request to the IT department, which describes problems or desired changes in an information system or a business process.

Systems Analysis Phase

build a logical model of the new system

Information System

combines technology, people, and data to provide support for business functions such as order processing, inventory control, human resources, accounting, and many more.

Data

consists of basic facts that are the system's raw materials

Hardware

consists of everything in the physical layer of the information system

Application Software

consists of programs that support day to day business functions and manages network operations

Information

data that has been transformed into output that is valuable to users

Processes

describe the tasks and business functions that users, managers, and IT staff members perform to achieve specific results

Business model

describes the information that a system must provide

Scalable

design can expand to meet new business requirements and volumes.

Vertical System

designed to meet the unique requirements of a specific business or industry.

Electronic Data Interchange

electronic commerce between two companies used a data sharing arrangement

Preliminary Investigation

evaluate an IT-related business opportunity or problem

Waterfall model

flows into next phase

Business Rules

generate the output

Empowerment

gives employees more responsibility and accountability

Modeling

graphical representation of a concept or process that systems developers ca analyze, test, and modify

Business Process Model

graphically displays one or more business, such as handling an airline reservation, filling a product order, or updating a customer account.

Legacy System

how a new system will interface with older systems

User Productivity Systems

include email, voice mail, video and web conferencing, word processing, automated calendars, database management, spreadsheets, desktop publishing, presentation graphics, company intranets, and integrated mobile computing systems.

Enterprise Application

include order processing systems, payroll systems, and company networks

Business Process Modeling Notation

includes standard shapes and symbols to represent events, processes, workflows, and more.

Enterprise Computing

information systems that support company wide operations and data management requirements

Users

inside and outside the company who will interact with the system, and IT staff members, such as systems analysts, programmers, and network administrators who develop and support the system.

Ecommerce

internet-based commerce

Business Process

is a specific set of transactions, events, and results that can be described and documented.

Prototype

is an early working version of an information system

Mission-Critical System

is one that is vital to a company's operations

Systems Design Phase

is to create a physical model that will satisfy all documented requirements for the system

Knowledge Base

large database that allows users to find information by entering keywords or questions in normal english phrases

Strategic Plans

long range plans which define the company's overall mission and goals

System Software

manages the hardware components, which can include a single computer or a global network with many thousands of clients

RAD

more like a compressed version of the entire process

App

on mobile devices, the users interact with the system

Business Profile

overview of a company's mission, functions, organization, products, services, customers, suppliers, competitors, constraints, and future direction

Stakeholders

people who have an interest system

Systems Development Life Cycle

plan, analyze, design, implement, and support an information system

System Design Specification

presented to management and users for review and approval

Transaction Processing Systems

process data generated by day to day business operations

Groupware

programs enable users to share data, collaborate on projects, and work in teams.

Business Support Systems

provide job-related information support to users at all levels of a company

Spiral Model

represents a series of iterations, or revisions, based on user feedback

Feasibility Study

reviews anticipated costs and benefits and recommends a course of action based on operational, technical, economic, and time factors.

System

set of related components that produces specific results

Systems Analysis and Design

step-by-step process for developing high-quality information systems.

Management Information Systems

system where managers are primary users

Enterprise Resource Planning

systems provide cost-effective support for users and managers throughout the company

JAD

team based fact finding

Radio Frequency Identification

technology which uses high-frequency radio waves to track physical objects

Systems Support and Security Phase

the IT staff maintains, enhances, and protects the system.

Informational Technology (IT)

the combination of hardware, software, and services that people use to manage, communicate, and share information

System Requirements Document

the deliverable for the systems analysis phase

Systems Implementation Phase

the new system is constructed

Software

the programs that control the hardware and produce the desired information or results

Moore's Law

theory that integrated circuit chip would double about every 24 months

Computer Aided Systems Engineering

uses powerful software to help systems analysts develop and maintain information systems

System Analyst

valued member of the IT department team who helps, plan, develop, and maintain information systems.

Requirements Modeling

where the analysts investigates business processes and documents what the new system must do to satisfy users.