Data Information and Attributes – Information Technology

Data Information and Attributes

This lesson includes definitions and explanation of data, information, attributes, values and some other topics.


Information

Defined simply, ____ is the stuff we want to consume


Attributes

Information types have ____ associated with them. These can be optional or a requirement for that type of information. For example, Facebook requires the person type to have a name and gender. But birthday is optional.


Values

Attributes have ____. For example, on Facebook the person type has an attribute called “name.” In my account the name attribute has a value of “Bob Boiko.”


Item

An information ____ is one complete set of values.


Lifecycle

The ____ of information is the way information is originated, used and finally retired.


Created

Information is ____. It is originated in some way either by being created from scratch or acquired from somewhere else.


Stored

Information is ____ in databases or other information repositories.


Organized

Information is ____ so that it can be found again when it is needed.


Displayed

Information is ____ so that people can see and use it


Retired

Information is ____ when it is no longer immediately useful to people


Author

You can _____ it (type it in from scratch), or, for non-text information record it in some other way.


Acquire

You can ____ it from somewhere else (for example, from another database) This is what happens with UW’s registration system.


Table

The info type is the ____


Column

The ____ names are the attributes.


Row

So, one ____ equals one information item.


Indexing

The first way we organize is by ____ (alphabetical and/or numerical lists of names).


Link

The second way to organize information is to ____ it to other pieces of information.


Sequences

A third way to organize information is by ____. For example Facebook can put your friends in order, indicating that you should look at one friend before another.


Hierarchies

The fourth choice for organization is ____, or outlines.


Identifier

Your identity on the Net, all the data that is collected about who you are, is tied together with an ____. It is a unique token, a string, a picture, or something else that is specific only to you.


Sequential numbers

We can use ____ as identifiers if we never go backwards or reuse numbers.


Random numbers

We can use ____ as identifiers if you have a high enough maximum identifier number


Directory

Many other identifiers on the Web are assured to be unique by the use of a ____. Someone in charge of keeps a list of all the ids people have chosen.


Data mined

What does it mean for you to be “____”? It means that someone is collecting information about you and drawing conclusions from it.


Anonymized

If in the process of data mining the data collected on you is ____ it cannot be tied back to your true identity.


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