Chapter 11/2 Terms Flashcards
Aka database software; users create a computerized database; add, modify, and delete data in the database; sort and retrieve data from the database; and create forms and reports from the data in the database
DBMS (data base management system)
a combination of oen or more related characters or bytes and is the smallest unit of data a user accesses
field
a group of related fields
record
a named collection of stored data, instructions, or information that can contain text, images, audio, and video
file
sama data, different locations, wastes time and encourages mistakes. Each time information in list is updated, multiple lists need to be updated
data redundancy
specifies the kind of data a field in a database can contain and how the field is used
data types
term used by users of relational databases for record
row
a database that stores data in tables that consist of rows and columns
relational database file
a request for specific data from a database
query
term used by users of relational databases for file
table
aka data entry form; a window on the screen that provides areas for entering or modifying data in a database
forms
aka report generator; allows users to design a report on the screen, retrieve data into the report design, and then display or print the report
report writer
aka data modeler; focuses on the meaning and usage of data
database analyst
requires a more technical inside view of the data
database administrator (DBA)
procedures that keep data current
database file maintenance
agency of the U.S. Department of Defense whose goal was to build a network that:
(1) allowed scientists at different physical locations to share information and work together on military and scientific projects
(2) could function even if part of the network was disabled or destroyed by a disaster such as a nuclear attack
ARPANET
an international community where Member organizations, a full-time staff, and the public work together to develop Web standards. Led by Web inventor Tim Berners-Lee and CEO Jeffrey Jaffe
world wide web consortium
a broadband modem that sends and receives digitial data over the CATV netowrk
cable modem
broadband internet connection that uses a dish-shaped atenna on a building, to communicate with a tower location via radio signals
fixed wireless
1 thousand bytes
kilobyte
a text-based name that corresponds to the IP address of a server that hosts a website
domain name
a worldwide collectin of electronic documents
world wide web
a worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individuals
internet
each electronic document on the web, can contain text, graphics, audio, and video
web page
a collection of related webpages, which are stored on a web server
website
software the enables users with an Internet connection to access and view webpages on computers or mobile devices
browser
browsing technique where the top of the browser shows a tab for each web-page, you display
tabbed browser
software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic
search engine
capability of accessing media content while it downloads
streaming
the development and maintenance of websites
web publishing
any application that combines text with media
multimedia
a small version of a larger object that you usually can tap or click to display a larger image or object
thumbnail
a program that extends the capability of a browser; aka add on
plugin
the process of transferring files from your computer or mobile device to a server on the internet
upload
the process of transferring content from the internet to a computer or mobile device
download
the code of acceptable behaviors users should follow while on the internet
netiquette
a wireless networks that provides intenet connections to mobile computers and devices
hot spot
a sequence of numbers that uniquely identifies the location of each computer or device connected to the internet.
IP Address
a unique address of a webpage;; aka uniform resource locator
URL
one million characters
megabyte
one billion characters
gigabyte
approximately 1 trillion bytes
terabyte