Cartões: Chapter 1 - Introduction to Systems Analysis and Design | Quizlet

Information Technology (IT)

The combination of hardware, software, and services people use to manage, communicate, and share information.

Systems Analysis and Design

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

Information System

Combines technology, people, and data to provide support for business functions.

Systems Analyst

Member of the IT department who helps plan, develop, and maintain information systems.

System

A set of related components that produces specific results.

Mission-Critical System

One that is vital to a company's operations.

Data

It consists of basic facts that are a system's raw material.

Information

Data that has been transformed into output that is valuable to users.

Hardware

Consists of everything in the physical layer of the information system.

Moore's Law

In 1965, Gordon Moore predicted that the number of transistors on an integrated circuit chip would double every 24 months.

Software

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

System Software

It manages the hardware components, which can include a single computer or a global network.

Application Software

It consists of programs that support day-to-day business functions and provide users with the information they need.

Enterprise Applications

They include order processing systems, payroll systems, and company communications networks.

Horizontal System

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

Vertical System

Designed to meet the unique requirements of a specific business or industry, such as an online retailer, a medical practice, or an auto dealership.

Legacy System

Older systems.

Stakeholders

People who have interest in an information system.

Users (End Users)

People inside and outside the company who will interact with the system.

Ecommerce (Electronic Commerce)

Internet-based commerce.

B2C (Business-to-Consumer)

One of two broad commerce categories.

B2B (Business-to-Buisness)

One of two broad commerce categories.

Electronic Data Interchange (EDI)

Electronic commerce between two companies where a computer-to-computer data transfer happens.

Business Process

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

Business Process Model (BPM)

A graphic display of one or more business processes, such as handling an airline reservation, filling a product order, or updating a customer account.

Business Process Modeling Notation (BPMN)

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

Enterprise Resource Planning (ERP)

Systems that provide cost-effective support for users and managers throughout the company.

Transaction Processing Systems (TP)

Systems that process data generated by day-to-day business.

Business Support Systems

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

Management Information Systems (MIS)

Systems that replaced business support systems where computers are providing valuable informations and managers are the primary users.

Radio Frequency Identification (RFID)

A data acquisition system which uses high-frequency radio waves to track physical objects.

Knowledge Base

A large database used by knowledge management systems.

Inference Rules

Logical rules that identify data patterns and relationships.

User Productivity Systems

Systems that are aimed at improving productivity. Examples include, email, voicemail, video and web conferencing, word processing, automated calendars, database management, spreadsheets, desktop publishing, presentation graphics, company intranets, and integrated mobile computing systems.

Strategic Plans

Plans that define a company's overall mission and goals.