Karteikarten
Information Technology
Karten in diesem Stapel (37)
- 1DataRaw facts that occur in an organization
- 2Informationdata that has been converted into a form that is meaningful
- 3is to convert data into informationWhat is the goal of using Information Systems?
- 4Attributes or Fielda characteristic of a person, place, object, event, or idea
- 5File/Tablea collection of fields that describe a person, place, object, or idea
- 6Record/Observationis specific occurrence of a set of related fields.
- 7Databaseis a group of related files or tables. This is how the way data is stored affects the ability to create information from data.
- 8Organization is the reason why you can find data and how quickly you can find itHow does organization affect how you can extract value from data?
- 9Relational Databasecreating separate tables and relating them together.
- 10Redundancyshow the same data more than once in the related tables.
- 11common fieldsame field is stored in the related tables
- 12Entity Relationshipis the path from one table to another, based on shared attributes
- 13More info available non-redundant data consistent flexible with queries Easily findable5 Advantages of Databases
- 14Keyis the unique piece of data that identifies the record
- 15Primary Keyis a field or collection of fields whose values uniquely identify each record in a table
- 16Concatenated KeyMore than one/same primary key
- 17Foreign Keyfield that is found within a table that also appears as the primary key of another table
- 18Database Management Systemsoftware that lets us create databases and manipulate the data in them. Ex: tables, queries, forms, reports
- 19Data Normalizationlogical process used to model data and the logical relationships between data.
-Defines entities
- Identifies keys that identify different records - 20Hierarchical file OrganizationLots of Info
Redundant
Hard to get inside folders - 21Because with large amounts of data, it is easier to split them up and connect them togetherWhy is data kept in different tables in a database?
- 22They related by a common fieldHow are tables related together in a database?
- 23Limited amount of data-entry Redundant Data Hard to find valuesWhat are the disadvantages of Excel?
- 24Webpagea document that can be accessed through the internet and displays through a web browser
- 25HTMLHyper Text Markup Language
- 26URLThe address of a webpage.
Universal Resource Locator - 27Web Browsera software application for retrieving and presenting information
- 28Cascading Style SheetsWhat does CCS stand for?
- 29Make your own keys calculated fields should be numbers smallest amount of charactersRules for making tables and keys
- 30—Picture on html
- 31yahooWebsite on HTML
- 32MattBullet, unordered list
-Matt - 33Matt MerlinaOrdered, Number list
1. Matt
2. Merlina - 34Merlina He's the bestTerms with Descriptions
Merlina
He's the best - 35.......What doe the Head tags contain?
- 36—What tag starts a webpage?
- 37—What does the body contain?