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Data Analytics > Data Analytics - A to D - Revision > Flashcards

Data Analytics - A to D - Revision Flashcards

1
Q

Absolute Referencing

A

Always referencing a specific cell in a spreadsheet that never changes $A$1

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2
Q

Accidental Threat

A

A threat with the potential to cause harm to data and information but is unintentional and unexpected (accident)

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2
Q

Access Log

A

Activities performed on a network, information system or web server

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3
Q

Access Restriction (permissions)

A

Limiting the user access to particular files or particular functions of an information system

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4
Q

Accuracy (Data Integrity)

A

Correctness, without errors

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5
Q

Acquisition

A

Gathering of Data - Surveys, questionnaires, observation, etc.

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6
Q

Algorithm

A

A calculation strategy (such as a method of finding out whether a year is a leap year or not for example)

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7
Q

APA (American Psychological Association)

A

A referencing method used to acknowledge intellectual property (APA7 is current model)

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8
Q

Analysis

A

The first stage of the problem solving methodology, where problems are defined

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9
Q

Analytic Coding

A

The means by which labels are applied to transcripts of text (coding whole qualitative sentences to one word)

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10
Q

Animated Visualization

A

A visualisation that shows the data story as a series of images

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11
Q

Annotate

A

To add comments to a document, live or otherwise

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12
Q

Annotated Diagram

A

A rough sketch of the screen (form, report, web page,) with written notes explaining the features in more detail

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13
Q

Asymetric Encryption

A

Using a public Key and a Private key to encrypt and decrypt the same message

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14
Q

Audit Trail

A

Establishing a Sequence of actions in an information system

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15
Q

Authenticity (Data Integrity)

A

Data is that genuine, original and considered trustworthy

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16
Q

Backing Up

A

Making a copy of the data; the copy is stored in a separate location to the original, and if the original data becomes corrupt or lost, the data is then retrieved from backup

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17
Q

Backup Strategy

A

a series of procedures about how a backup will occur

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18
Q

Bar Graph

A

Visual tool showing totals as bars; the bars do not need to be related to each other

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19
Q

Barrier Technique

A

Physical barrier to stop unauthorized people gaining access to hardware and software

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20
Q

bench test

A

a formal testing process to determine how the solution behaves with a range of data

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21
Q

biometric security

A

devices to check the unique biological characteristics of a person

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22
Q

Bluetooth

A

short range radio waves that transmit data among bluetooth-enabled devices

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23
Q

Boolean Data

A

a logical data type that can hold only two possible values - usually true/false, or yes/no, or 0/1

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24
Q

Brute Force Attack

A

Repetitive attempts at accessing an information system using a variation of possible usernames / passwords

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25
Q

Bubble Chart

A

Visual Tool showing numbers using circles to show their relatives sizes as well as their relative positions on the xy axis

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26
Q

Business Intelligence (BI)

A

Actionable knowledge attained from dashboard summaries of manipulated and analysed raw data

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27
Q

Calculated Field

A

A field in a database query that works out new fields based on existing fields, such as age from Date of Birth

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28
Q

Cell

A

Where a column and Row intersect in a spreadsheet; the same as a field in a database (A1, C8), etc.

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29
Q

Character (Char)

A

A single letter, number or symbol that is usually stored in 2 bytes (16 bits) of memory; a data type

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30
Q

Chart

A

A method of displaying data visually using symbols, sometimes known as a graph

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31
Q

Checking Authorisation Credentials

A

Checking a user level of access when accessing restricted areas

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32
Q

Cherry Picking

A

Selecting Data to serve preconceived ideas about the results; contradictory data is excluded from the sample

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33
Q

Citation

A

A reference to an information source

34
Q

Clarity (Data Integrity)

A

Something that is coherent and easily understood - also contributes to accuracy

35
Q

Clarity of Message

A

How well the typical user interprets the information presented to them

36
Q

Client/Server Network

A

How well typical users interpret the information presented to them

37
Q

Closed Question

A

A question that offers a limited range of possible answers

38
Q

Cloud

A

Storing data in a remote location, using an internet connection to transfer data

39
Q

Cloud computing

A

involves storing data in a remote location, using an internet connection to transfer data

40
Q

Colour Vision Deficiency (CVD)

A

An altered colour perception (red-green is the most common)

40
Q

Column

A

A vertical series of cells in a spreadsheet

40
Q

Code of Conduct

A

Set of conventional principles and expectations that is considered binding on any member of a particular group (board, etc)

41
Q

Column Graph

A

Visual tool showing numbers as vertical bars

42
Q

CSV (Comma Seperated Value)

A

A file format that stores data in tabular format in a plain text file

43
Q

Communication hardware

A

any device that transmits a signal across a communications system (like a modem)

44
Q

Comparison Infographic

A

An infographic that compares and constrasts two options - typically left or right, or top of bottom

45
Q

Completeness (Data Integrity)

A

The data has all the necessary parts

46
Q

Comprehensive management Plan

A

A file management strategy that includes storage, retrieval, backups, arching and security of documents

47
Q

Concurrent tasks

A

Project management - when more than one task is undertaken at the same time

48
Q

Conditional Formatting

A

A way of changing the appearance of data to reflect values and make patterns easier to see

49
Q

Consistency (Data integrity)

A

Treating data sets in the same way or ensuring that the appearance of items is formatted to look the same (contributed to accuracy as well)

50
Q

Constraint

A

Limitation on software solution - can be economic, legal, technical, social or usability related

51
Q

Contingency plan

A

a course of action designed to respond effectively to a significant event that may occur

52
Q

Continuous data protection (CDP)

A

Storage technology that can save real time data changes and enable data to be restored

53
Q

Controlled

A

When variables are maintained or unchanged, while other variables are changed

54
Q

Convention

A

The accepted way(s) that meets expectations when a format is used

55
Q

Cookie

A

A small file that a webserver stores on a users computer that contains data about the user (Password, email address, browsing preferences)

56
Q

Copyright

A

Legal Protection for intellectual property

57
Q

Correctness (data integrity)

A

An element of integrity to ensure that data is right

58
Q

Data

A

Raw, Unorganised facts, figures and symbol; data can also mean ideas or concepts before they have been refined.

59
Q

data cleansing

A

a process where inaccuracies in data gathering are detected and corrected either by changing or replacing or removing

60
Q

data deduplication

A

removing copies of (or redundant) data in a data set

61
Q

data dictionary

A

a design tool for working out table and field names and properties

62
Q

data integrity

A

ensuring that all data is trustworthy, which is achieved through accuracy, authenticity, correctness, reasonableness, relevance, and timeliness

63
Q

data source

A

where data can be found and downloaded

64
Q

data types

A

particular forms that an item of data can take, including numeric, character, date, boolean, etc.

65
Q

data visulisation

A

the presentation of data in a pictorial or graphical format

66
Q

database

A

software tool for storing and manipulating large sets of data

67
Q

deliberate threat

A

a threat to data or an information system that has been created on purpose

68
Q

descriptive coding

A

summarizing, in a word or noun, the basic meaning of a passage of qualitative data

69
Q

design brief

A

a document outlining what is required in a solution

70
Q

design

A

second stage of the problem solving methodology where designers ensure their work meets the requirements identified during analysis

71
Q

design idea

A

creative exploration of concepts prior to selection

72
Q

design principles

A

expectations around what needs to be considered when designing functionality and appearance

73
Q

design stage

A

a stage of the Problem Solving Methodology (PSM) determinig the way the problem will be solved

74
Q

DOI (Digital Object Identifier)

A

A unique alphanumeric string assigned by the international DOI Foundation - a persistent link to an internet location is assigned once a journal article is published

75
Q

Digital system

A

Hardware for Input, Output or storage and communication

76
Q

Dilemma

A

When there is a choice between two or more equally desirable options

77
Q

Disaster Recovery Plan

A

Details of the steps required to recover information systems in the event of damage or loss. Also a strategy to prepare for, survive from, recoverfrom a disaster

78
Q

Doxing

A

when a person has their private details published to expose their identity

79
Q

Dynamic data visualisation

A

A graphic representation of data that can be altered to show and change relationships between data sets

80
Q

Dynamic Verstaile Disk

A

DVD - a compact disk that can store about 4gb

81
Q

A dynamic Visualisation

A

A presentation that allows data to be updated (live), and the presentation is thus adjusted to show the most recent findings.

Data Analytics (4 decks)

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