Chap 1

Question 1

5 components of a system

Answer 1

Hardware
Software
Data
Processes
People

Question 1

information tech

Answer 1

combination of hardware and software products and services

Question 2

system

Answer 2

set of related components that produce specific results

Question 3

what system is vital to operations?

Answer 3

mission-critical systems

Question 4

data vs information

Answer 4

data = basic facts that serve as raw material
information = data transformed into output

Question 5

moore’s law

Answer 5

transistors on an integrated circuit chip double about every 24 months

Question 6

EDS

Answer 6

electronic data systems - managed data centers for corporations

Question 7

what are the 6 e-commerce models?

Answer 7

B2C - business to customer
B2B - business to business
C2C - consumer to consumer
G2C - government to consumer
G2B - government to business
G2G - government-to-government

Question 8

business profile

Answer 8

high level overview of a company’s mission, functions, organization, products, services, etc.

Question 9

business process

Answer 9

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

Question 10

BPM

Answer 10

business process model

Question 11

BPMN

Answer 11

business process modeling notation

Question 12

enterprise computing

Answer 12

supports company-wide operations and data management requirements

Question 13

ERP

Answer 13

enterprise resource planning (systems) - provide cost-effective support for users and managers throughout company

Question 14

TP

Answer 14

transaction processing (systems) - processes data generated by day-by-day business operations

Question 15

MIS

Answer 15

management information systems

Question 16

RFID

Answer 16

radio frequency identification

Question 17

knowledge management

Answer 17

uses a knowledge base (large database that allows users to find information by entering keywords) and inference rules (identify data patterns and relationships)

Question 18

digital assistants

Answer 18

combinations of knowledge management systems and user productivity systems

Question 19

systems integration

Answer 19

combination of transaction processing, business support, knowledge management, and user productivity features

Question 20

top managers

Answer 20

develop long-range strategic plans

Question 21

middle managers and knowledge workers

Answer 21

middle managers - provide direction, resources, and performance feedback to supervisors and team leaders

knowledge workers - provide support for the organization’s basic functions

Question 22

supervisors and team leaders

Answer 22

oversee operational employees and carry out day-to-day functions

Question 23

operational employees

Answer 23

• rely on TP systems to enter and receive data they need to perform their jobs
• empowered to handle tasks/make decisions that were previously assigned to supervisors

Question 25

What is SDLC? What type of analysis is it?

Answer 25

Systems development life cycle - structured analysis 1. Plan/project initiation - objective, scope of project, present to upper management 2. Analysis - what do people want 3. Design - solution (logical and physical; construction/testing code) 4. Implementation - put into production 5. Support on information system 6. Keep iterating until set point or when limit reached

Question 26

What is object-oriented analysis?

Answer 26

A systems development style that combines data and processes as objects

Question 27

Agile methods

Answer 27

Iterative approach; build a series of prototypes and constantly adjust them to user requirements; spiral model

Question 28

Prototyping

Answer 28

Early working version of an information system

Question 29

What does CASE mean? What are they for?

Answer 29

Computer-aided systems engineering = computer aided software engineering; provides an overall framework; supports design methodologies; create diagrams + generate program code; most IT shops have multiple CASE tools

Question 30

What is uppercase and lowercase in terms of CASE tools?

Answer 30

Uppercase = front end Lowercase = back end CASE tools tend to favor one over the other

Question 31

Information Technology Departments

Answer 31

Application development Systems support and security User support Database administration Network administration Web support Quality assurance (QA)

Question 32

What does a systems analyst do?

Answer 32

Investigates, analyzes, designs, develops, installs, evaluates, and maintains a company’s information systems

Question 33

Roles of systems analyst

Answer 33

- acts as translators to managers and programmers - best line of defense in an IT disaster - good listening skills - seeks feedback from users to ensure that systems do not go off track - uses modeling, prototyping, and CASE tools

Question 34

What are the popular system development approaches?

Answer 34

Structured analysis, object-oriented analysis, and agile methods