MIS 180 Barra In Person Exam Study Guide 2024

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137 Terms

1

What is data? Provide and example

Data: Points of information

Ex: text, numbers, photos

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2

What is information? Provide an example

Data converted into meaningful and useful context

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3

What is business intelligence? Provide an example

information collected from multiple sources such as suppliers, customers, and competitors that analyzes patters, trends and relationships for strategic decision making

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4

What is a fact? What qualities does it have?

a statement that can be proven

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5

What is the difference between a useful fact and misleading fact?

Useful: Verifiable, relevant, credible

Misleading: Partial, redundant, requires extensive verifying

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6

What is triangulation?

Gathering information

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7

What is corroboration?

evidence that confirms or supports a statement

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8

What does "information literacy" mean?

The ability to find, evaluate, and use information effectively to achieve goals

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9

What is a relative address/reference in excel?

A cell reference that adjusts when copied or used with AutoFill

- "Drag down"

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10

What is an absolute address/reference in excel?

A cell reference that DOES NOT adjust when used with autofill

- "$"

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11

What is the proper format for a calculation if you want to add, subtract, divide, or multiply 2 numbers by referencing their cell reference?

= Cell A +,-,/,* Cell B

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12

What is the proper format/syntax for the IF function?

=IF(logical test, value if true, value if false)

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13

Which function would you use to sum a columns or row of 50 numbers? Given a range, what is the proper format? Be able to apply this to avg, max, and min

=SUM(G1:G50)

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14

What is the difference between a system and a process?

They effectively mean the same thing.

A structured collection of processes that work together to produce an outcome

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15

What are the 6 parts of any system?

1. Inputs

2. processes (that transform inputs)

3. Outputs

4. Controls

5. Feedback

6. Adjustment

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16

How do supersystems, systems, subsystems, and processes relate to each other?

Supersystem --> The greater system

System --> the general system

Subsystem --> systems within the system

<p>Supersystem --&gt; The greater system</p><p>System --&gt; the general system</p><p>Subsystem --&gt; systems within the system</p>
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17

What is interdependence? Provide an example

Parts that depend on each other

Ex: The food web

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18

What is synergy? Provide an example

Cooperative effort of complementary parts is greater than the sum of the individual parts

Ex: Automated packaging systems

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19

What is entropy/obsolesce? Provide an example

All systems fall apart over time if they don't adapt

Ex: Campfire, solid wood turns into ash, smoke, gasses

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20

What is optimization/sup-optimization? Provide an example

Subsystems often must optimize to enable the system to operate at maximum efficentcy

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21

What is an open system?

The transformation process set but inputs and outputs can vary

- designed to adapt and evolve

Ex: Algorithms

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22

What is a closed system?

A system where neither matter nor energy can enter or leave

Ex: TV Remote

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23

What are the functional parts of an enterprise and what do they do?

Hint: know "Internal View of an Enterprise" Slide

Sales - selling goods or services

Accounting - Records monetary transactions

Finance - tracks strategic financial issues

HR - Maintains policies for effective management

Marketing - supports sales by planning, pricing, and promoting goods and services

Operations Mgmt. - Manage the process of converting resources into goods and services

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24

What are stakeholders? Who are they for most enterprises?

Hint: Know "External View of Enterprises"

Those who benefit in someway from the operation of the company, which may not include owning stock

Ex: customers and suppliers

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25

Stakeholder vs shareholder

- a stakeholder is customer of a business

- a shareholder owns part of a company through stock ownership

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26

What are parts of a business information system and how do they work together? Provide examples

Data - audio, video, text, numbers

Hardware - clients, servers, robots

Software - operating systems, applications

Media - WiFi, cell networks, satellites

Procedures - Hiring, manufacturing, evaluating

People - Executives, HR, customers

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27

What are the 3 main problems when evaluating information? Provide an example

1. Information overload - we can access so much information

2. More variability in info quality - quality of information has become questionable

3. Information evaluation is hard - we tend to jump to conclusions

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28

What is Pro Concentration?

Information used to be of higher quality, with the abundance of information, the quality has diminsihed

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29

What is Pro Distribution?

Professional committees ensured their information was accurate, now anyone can post anything

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30

What does it mean when we are described as "cognitive misers"? What does it mean as a way of describing how humans make decisions about information?

We tend to solve problems in the easiest or simplest way possible. Can lead to negligence or skipping of crucial information

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31

Bias vs Perspective? How does this affect your judgement

Bias: Prejudice in favor of one thing; unfair

Perspective: A particular attitude to one thing; not fair or unfair

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32

How do humans deal with information overload?

Filtering (using heuristics) and withdrawal (disconnection)

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33

How would you evaluate information in terms of its "usefulness" and "believability"?

Accurate, complete, consistent, timely, relevant, meaningful, accessable

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34

What is disinformation? Provide examples

The intentional creation and transmission of known false information

Ex: NYT and "12 Russian Agents Indicted in Mueller Investigation"

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35

Who are the biggest players in the Search Engine Market?

Google - Web browsing

Amazon - Products

Etsy - Arts and crafts

Indeed - Jobs

Yelp - Businesses/Restaurants

YouTube - video

Zillow - Real Estate

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36

What is the state of the internet?

The internet is evolving with AI, 5G, cloud, IoT, and cybersecurity challenges.

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37

How does a search engine work with:

Spider/bot

Database

User

Spider - computer application whose purpose is to find and index content on the web - pull relevant results to what you are looking for

Database - contains links and some summary content

User - people and programs who are trying to find a page/information

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38

How does a search engine populate its database?

A spider/bot gathers information and gathers it for the user

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39

When a user conducts a search, what are they actually doing?

Users are using a database, not the web directly

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40

Why is the job of a search engine difficult?

We rely on natural language while the computer relies on indexed language. It must bridge the gap

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41

What is a general search engine?

Contains a broad range of information

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42

What is a vertical search engine?

A focused search engine

Ex: Amazon is a search engine for products

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43

What does "vertical" mean in business?

Focused

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44

What is a URL?

A link to a web page

Stands for Uniform Resource Locator

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45

What is the surface web?

Sites and pages that the search engines know about and index for users to find

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46

What is the deep web?

Sites and pages behind firewalls that cannot be indexed by engines

Casual user often does not even know these sites exist

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47

What is the dark web?

Pages that are encrypted and aren't visible to anyone without special access

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48

Know the functions and defintions of computer hardware

CPU/Processor, clock speed/GHz, RAM (Primary storage), Hard Drive (Secondary Storage), ROM (read only memory) (stores BIOS and basic information), Input/Output devices

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49

When should you spend the money on more expensive computer equipment?

When the task you are doing is worth this investment!

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50

Bit

Short for binary digit

smallest element of data

0 = off, 1 = on

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51

Byte

Group of 8 bits

represents 1 character or number

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52

What is an Operating System?

Works between hardware and apps

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53

What is an application?

An "app", a program that does something the user wants to do

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54

Why do humans create applications?

Does something the user wantes

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55

What are the most common types of programming languages?

Java, Pyth, C#, and Visual Basic

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56

What is source code?

Code written by the programmer

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57

What is object code?

Code that the computer can understand

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58

What does open source refer to?

Original source code that is free to the public

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59

Why would a company use open source over proprietary applications?

Customizable, purchase what you want, specific tailoring

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60

Why would a company use proprietary applications over open source?

Prebuilt, less skill required, less time to research, simpler installation

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61

What is a General Purpose Application?

An application that can be used for a range of purposes

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62

What is a Functional Application for a business?

A software program designed to support a specific business function

Ex: Accounting software

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63

What are the 3 ways businesses aquire software?

Build, Buy, Rent

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64

Why would a business choose a certain way to acquire a software?

Build - custom to needs

Buy - convenient

Rent - Pay as you go, non permanent

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65

What is a business strategy?

The overall vision and goals for the enterprise's future

- planning, large scale, "what" and "why"

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66

What is a business tactic?

A set of specific actions that execute the enterprise's strategy

- doing, smaller scale, "how", shorter time frame

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67

What are the performance metrics?

Critical Success Factors (CSF), Key Performance Indicators (KPI), Benchmarking, Return on Invsetment (ROI)

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68

What does CSF measure?

The steps companies take to acheive their goals and objectives to implement their strategies

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69

What does KPI measure?

Quantifiable metrics that are used to evaluate progress towards a CSF goal

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70

What does Benchmarking measure?

Quantifiable metrics a company uses to evaluate how well their doing in comparison to a baseline

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71

What does ROI measure?

A specific financial KPI

<p>A specific financial KPI</p>
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72

What is the value chain and why is it useful?

Looks at all of the inputs and what the enterprise does to add value to the output, helps grow

<p>Looks at all of the inputs and what the enterprise does to add value to the output, helps grow</p>
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73

What does SWOT stand for and how is it used?

Strengths, weaknesses, opportunities, threats

Used to identify features of the overall business that need management attention

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74

What is a customer facing process?

A process that results in a product or service that is received by an external customer

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75

What is a business facing process?

Invisible to the external customer but essential to the effective management of the business

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76

What are the Functional Business Areas?

All of the functions from earlier +

IT - the use of hardware, software, and other resources to process, store, and share data

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77

What is structured data?

Facts, questionnaire/survey, data points

Easier for businesses to process because it requires less filtering

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78

What is unstructured data?

Emails, voice messages, texts, video/photo, "stuff"

Harder for businesses to process due to ambiguity

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79

What do people mean by "Big Data"?

The name given to the incredibly huge collection of data captured from the world

"the internet of things"

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80

What are th5 "V"'s?

Velocity - the speed at which data is gathered and stored

Variety - the kinds of new data

Volume - the quantity of data being gathered and stored

Veracity - the quality of the data

Value - what you can do with the data

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81

Why should businesses use database management systems to store data instead of 1 big Excel sheet? List 3 reasons

Database systems are DESIGNED to store data and make it accessible, a big spreadsheet can lead to redundancies

1. Data is centrally accessible

2. Data quality and access is managed by professionals

3. Everyone can access the data they need

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82

What are the qualities of high quality data?

Accurate

Complete

Consistent

Timely

Accessible

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83

What do the qualities of poor data management mean? What do they mean?

  • Data Redundancy 📂📂 – You have multiple copies of the same worksheet in different folders.

  • Data Inconsistency – One notebook says the test is on Friday, another says it’s on Monday.

  • Data Isolation 🔒 – Your homework is locked in different lockers, making it hard to find.

  • Data Insecurity 🚪 – lots of access points which makes entry and corruption easier

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84

What is the name of the activity or technique that clients and IT do together to create an understanding of the data requirements for the database?

Data modeling

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85

What is the difference between a database and a database management system?

Database: refers to a set of files of stored data; static

Database management system: includes the database AND the applications that let people use the database

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86

What are the parts of a database management system?

Media - wired and wireless connections among devices

Procedures - policies developed by the people who use data that is embedded in software, human policies and practice

Networks - connect databases with applications and devices

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87

Why are these advantages of having a database management system: data are located centrally, data quality is controlled, data is accessible, data are easier to maintain

Centrally: 1 point of access

Quality Controlled: reliable information

Accessible: easy to access

Maintenance: no convolutions and easier to manage

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88

In a relational data base, what do these terms mean: Data value, field, record, file/table, database, SQL

Data value: an actual piece of information

Field: the smallest meaningful type of data

File/Table: collection of related records

Rocord: A row in a table containing related data

Database: Collection of files/tables

SQL: the standard language for accessing and manipulating databases

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89

What does it mean to populate a database?

Adding data to a database with values

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90

What is a primary key in a relational database? How is it used?

A key identifier used to access a specific piece of data.

Specifies fields you want to report on

Ex: "Alex Biebel, 888-888-8888"

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91

What is a foreign key? How is it used?

A primary key of 1 table that appears as a field in another table

Connects 2 or more tables

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92

What does a basic, correctly formed SQL query look like?

Select

From

Where

Order by

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93

How do primary and foreign keys work together to link data from different tables?

links columns and rows to reference other tables in order to extract informaiton

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94

What is a structured decision?

A decision that is routine and repetitive

Ex: A --> B --> C

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95

What is a semi structured decision?

A decision for which some parts are known and unknown

Ex: What price should we give our new product?

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96

What is an unstructured decision?

A decision that is novel and lacks an agreed upon, well understood procedure

- we don't know what we don't know

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97

What is a decision?

a choice made from available alternatives

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98

What is a problem?

a matter regarded as unwelcome or harmful and needing to be dealt with

outcome: a process that leads to a different situation

- urgent

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99

What is an opportunity?

a set of circumstances that makes it possible to do something different

outcome: a realization of a possible action

- not very urgent

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100

What is a paradox?

A self-contradictory statement that when explained MAY PROVE to be true

Outcome: a change in how you see reality which leads to a different or opposite action

Ex: "If you use fewer words, you sound more intelligent"

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