unit 3 his second shift

Question 1

what are informtation systems?

Answer 1

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

Question 2

true or false: we transmit data

Answer 2

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

Question 3

what are health information systems?

Answer 3

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

Question 4

what is information technology?

Answer 4

combination of computer technology with data and communications technology

Question 5

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

Answer 5

models in IT

Question 6

what are the components of information technology?

Answer 6

hardware
software
telecommunications
networks
databse
people
procedures

Question 7

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

Answer 7

people because they make the hardware

Question 8

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

Answer 8

software

Question 9

what are the general categories of software?

Answer 9

system software
application software

Question 10

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

Answer 10

database

Question 11

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

Answer 11

true

Question 12

what is data?

Answer 12

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

Question 13

what is knowledge?

Answer 13

defines relationships among data

Question 14

what is information?

Answer 14

from processing data
requires applying knowledge to reveal meaning

Question 15

what are the data interpretation requirements?

Answer 15

database
knowledge base
ontology
rules of inference

Question 16

what is the database in the interpretation requirements?

Answer 16

collection of data and its associated model

Question 17

what is the knowledge base in the interpretation requirements?

Answer 17

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

Question 18

what is ontology?

Answer 18

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

Question 19

what are rules of inference?

Answer 19

specify how a knowledge base can be applied to a database

Question 20

information systems professionals and users

Answer 20

people

Question 21

Rules for achieving optimal and secure operations in data processing

Answer 21

procedures

Question 22

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

Answer 22

people

Question 23

include priorities in dispensing software applications nad security measures

Answer 23

procedures

Question 24

what is telecommunications?

Answer 24

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

Question 25

combination of devices connected through one of the communications media

Answer 25

networks

Question 26

what are the types of networks?

Answer 26

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

Question 27

what are the types of information systems?

Answer 27

operations support systems management support systems specialized processing systems

Question 28

what are the roles of an operation support system?

Answer 28

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

Question 29

what is the role of management support systems?

Answer 29

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

Question 30

what is the role of specialized processing systems?

Answer 30

supports either operations or management applications

Question 31

what is the systems development life cycle (SDLC)?

Answer 31

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

Question 32

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

Answer 32

database model

Question 33

what are the types of database models?

Answer 33

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