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stuff ni jas > unit 3 his second shift > Flashcards

unit 3 his second shift Flashcards

1
Q

what are informtation systems?

A

Arrangement of data, processes, people, and information technology that interact to collect, process, store, and provide as output the information needed to support an organization

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2
Q

true or false: we transmit data

A

false, we od not transmit data, data in the repository is not transmitted, it is stored

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3
Q

what are health information systems?

A

system that captures, stores, manages, or transmits information related to the health of individuals

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4
Q

what is information technology?

A

combination of computer technology with data and communications technology

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5
Q

define the way we learn about the world, interpret what we see and apply our knowledge to effect change whether through our actions or using technology

A

models in IT

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6
Q

what are the components of information technology?

A

hardware
software
telecommunications
networks
databse
people
procedures

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7
Q

what is the most salient component in IT and why is that so?

A

people because they make the hardware

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8
Q

collective term for computer programs which are sets of instructions to computer hardware

A

software

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9
Q

what are the general categories of software?

A

system software
application software

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10
Q

collections of interrelated data shared by many units
contribute to efficiency and productivity

A

database

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11
Q

true or false: data is stored in electrical language, must be interpreted before transmitted

A

true

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12
Q

what is data?

A

raw facts
building blocks of information
formatted for storage, processing and presentation

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13
Q

what is knowledge?

A

defines relationships among data

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14
Q

what is information?

A

from processing data
requires applying knowledge to reveal meaning

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15
Q

what are the data interpretation requirements?

A

database
knowledge base
ontology
rules of inference

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16
Q

what is the database in the interpretation requirements?

A

collection of data and its associated model

17
Q

what is the knowledge base in the interpretation requirements?

A

collection fo rules that can be thought of a database containing elements of knowledge

18
Q

what is ontology?

A

set of concepts understood in a knowledge base and how these concepts are arranged meaningfully

19
Q

what are rules of inference?

A

specify how a knowledge base can be applied to a database

20
Q

information systems professionals and users

A

people

21
Q

Rules for achieving optimal and secure operations in data processing

A

procedures

22
Q

analyze organizational information needs, design and construct information systems, write computer programs, operate hardware, maintain software

A

people

23
Q

include priorities in dispensing software applications nad security measures

A

procedures

24
Q

what is telecommunications?

A

communication over distance
communication of bits representing many forms of data and information

25
Q

combination of devices connected through one of the communications media

A

networks

26
Q

what are the types of networks?

A

LAN (router to computer)
WAN (router to www)
MAN (data to university)
PAN

27
Q

what are the types of information systems?

A

operations support systems
management support systems
specialized processing systems

28
Q

what are the roles of an operation support system?

A

processing business transactions
controlling industrial processes
supporting enterprise communications and collaborations
updating corporate databases efficiently

29
Q

what is the role of management support systems?

A

provides information and support for decision making by all types of managers

30
Q

what is the role of specialized processing systems?

A

supports either operations or management applications

31
Q

what is the systems development life cycle (SDLC)?

A

phase 1 - planning
phase 2 - analysis
phase 3 - design
phase 4 - implementation
phase 5 - support

32
Q

what is the logical structure in which records are stored within a database and the method used to establish relationships among the records?

A

database model

33
Q

what are the types of database models?

A

hierarchical model
network model relational model
relational model
object-oriented model

stuff ni jas (20 decks)

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