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CIS > Chap 1 > Flashcards

Chap 1 Flashcards

1
Q

5 components of a system

A

Hardware
Software
Data
Processes
People

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1
Q

information tech

A

combination of hardware and software products and services

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2
Q

system

A

set of related components that produce specific results

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3
Q

what system is vital to operations?

A

mission-critical systems

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4
Q

data vs information

A

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

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5
Q

moore’s law

A

transistors on an integrated circuit chip double about every 24 months

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6
Q

EDS

A

electronic data systems - managed data centers for corporations

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7
Q

what are the 6 e-commerce models?

A

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

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8
Q

business profile

A

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

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9
Q

business process

A

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

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10
Q

BPM

A

business process model

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11
Q

BPMN

A

business process modeling notation

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12
Q

enterprise computing

A

supports company-wide operations and data management requirements

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13
Q

ERP

A

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

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14
Q

TP

A

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

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15
Q

MIS

A

management information systems

16
Q

RFID

A

radio frequency identification

17
Q

knowledge management

A

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

18
Q

digital assistants

A

combinations of knowledge management systems and user productivity systems

19
Q

systems integration

A

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

20
Q

top managers

A

develop long-range strategic plans

21
Q

middle managers and knowledge workers

A

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

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

22
Q

supervisors and team leaders

A

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

23
Q

operational employees

A
  • 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
24
Q
A
25
Q

What is SDLC? What type of analysis is it?

A

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

26
Q

What is object-oriented analysis?

A

A systems development style that combines data and processes as objects

27
Q

Agile methods

A

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

28
Q

Prototyping

A

Early working version of an information system

29
Q

What does CASE mean? What are they for?

A

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

30
Q

What is uppercase and lowercase in terms of CASE tools?

A

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

31
Q

Information Technology Departments

A

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

32
Q

What does a systems analyst do?

A

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

33
Q

Roles of systems analyst

A
  • 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
34
Q

What are the popular system development approaches?

A

Structured analysis, object-oriented analysis, and agile methods

CIS (4 decks)

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