CIS 6.2

what is erroneous or flawed data.

dirty data

what is tools move beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more.

data visualization

Every department had its own method for recording data so when trying to share information, data did not match and users did not get the data they really needed.

Inconsistent Data Definitions

What describes technologies that allow users to "see" or visualize data to transform information into a business perspective?

data visualization

what describes technologies that allow users to "see" or visualize data to transform information into a business perspective.

data visualization

Users could not get the data they needed; what was collected was not always useful for intended purposes.

Inadequate Data Usefulness

what processes and manages algorithms across many machines in a computing environment.

distributed computing

what is a process that extracts data from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse.

extraction, transformation, and loading

What is the first block created in the blockchain?

genesis block

What is a function that converts an input of letters and numbers into an encrypted output of a fixed length? / The blocks unique identifier like a fingerprint

hash

What is the ability for a blockchain ledger to remain a permanent, indelible, and unalterable history of transactions?

immutability

What simply means unchangeable?

immutability

What presents the results of data analysis, displaying the patterns, relationships, and trends in a graphical format?

infographics

What is a way to validate transactions and achieve the distributed consensus?

proof-of-stake

Many firms complete data ___________ audits to determine the accuracy and completeness of its data.

quality

_______ data is data that has not been processed for use.

raw

What identifies the primary location where data is collected?

source data

A data map is a technique for establishing a match, or balance, between the source data and the ______ data warehouse.

target

A data ________ is a logical collection of data, gathered from many different operational databases, that supports business analysis activities and decision-making tasks.

warehouse

What determines the accuracy and completeness of its data?

Data quality audits

What is a type of digital currency in which a record of transactions is maintained and new units of currency are generated by the computational solution of mathematical problems and which operates independently of a central bank?

Bitcoin

What tracks corporate metrics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis?

Business intelligence dashboards

Select two terms that describe the process for weeding out, fixing, or discarding inconsistent, incorrect, or incomplete data.

Data cleansing Data scrubbing

Select the statement that accurately describes a situation in which there is too much data to properly understand or make use of it.

Data rich and information poor

What moves beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more?

Data visualization tools

Most data stored in operational databases did not allow users direct access; users had to wait to have their queries or questions answered by MIS professionals who could code SQL.

Ineffective Direct Data Access

Managers need to perform cross-functional analysis using data from all departments, which differed in granularities, formats, and levels.

Lack of Data Standards

Which of the following are problems associated with dirty data? (Choose all that apply)

Non-formatted data Duplicate data Incorrect data

The data, if available, were often incorrect or incomplete. Therefore, users could not rely on the data to make decisions.

Poor Data Quality

What is a requirement to define an expensive computer calculation, also called mining, that needs to be performed in order to create a new group of trustless transactions on the distributed ledger or blockchain?

Proof-of-work

Which of the following are answers to tough business questions BI can answer? (Choose all that apply)

Where is the business going? Where is the business now? Where has the business been?

What occurs when the user goes into an emotional state of over analyzing (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome?

analysis paralysis

what occurs when the user goes into an emotional state of over analyzing (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome. In the time of big data, analysis paralysis is a growing problem.

analysis paralysis

A data _________ is a business analytics specialist who uses visual tools to help people understand complex data.

artist

A _________ is a type of distributed ledger, consisting of blocks of data that maintain a permanent and tamper-proof record of transactional data

blockchain

What is formed by linking together blocks, data structures containing a hash, previous hash, and data?

blockchain

The problem of being data rich and information poor results from an inability to turn business data into ______.

business intelligence

A(n) ______ can compare two or more datasets to identify patterns and trends.

comparative analysis

_________ monitoring occurs when a company keeps tabs of competitor's activities on the web using software that automatically tracks all competitor website activities such as discounts and new products.

competitive

Business intelligence ________ track corporate metrics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis.

dashboard

Transactional data sender, receiver, number of coins

data

What is the collection of data from various sources for the purpose of data processing?

data aggregation

What is a process that weeds out and fixes or discards inconsistent, incorrect, or incomplete data?

data cleansing

What is the common term for the representation of multidimensional data?

data cube

what is the common term for the representation of multidimensional data.

data cube

what is a storage repository that holds a vast amount of raw data in its original format until the business needs it.

data lake

What is a technique for establishing a match, or balance, between the source data and the target data warehouse?

data map

What contains a subset of data warehouse data?

data mart

what is an individual item on a graph or a chart.

data point

What is an organized collection of data?

data set

Data-driven _______ management is an approach to business governance that values decisions that can be backed up with verifiable data.

decision

What records classified and summarized transactional data?

ledger

Hash of the previous block in the blockchain

previous hash