Concepts Exam 1

social networking
the gathering together of groups of people using online tools to connect and exchange ideas
crisis mapping tool
collects information from emails, text messages, blog posts, and twitter tweets and maps them instantly, making the information instantly public
digital divide
the difference in ease of access to technology
freedom to work without constant direction and control
feelings of confidence and excitement from seeing your own skills progress
simply understanding that you are working for something larger than yourself
quick response codes
any piece of print in the real world host a live link to online information and video content
checking in with the voice of the crowd
collaborative consumption
joining together as a group to use a specific product more efficiently
computer literate
being familiar enough with computers that you understand their capabilities and limitations and you know how to use them efficiently
information technology
field of study focused on managing and processing information and the automatic retrieval of information.
data mining
process of searching huge amounts of data with the hope of finding a pattern
computer forensics
analyzes computer systems with specific techniques to gather potential legal evidence
augmented reality
combination of our normal sense of the objects around with an overlay of information displayed
affective computing
computing that relates to emotion or deliberately tries to influence emotions
representation of fact, figure or an idea
data that has been organized or presented in a meaningful fashion
binary language
language that computers understand; consists of two digits: 0 and 1
8 binary digits combine
1000 bytes
1 million bytes
1 billion bytes
1 trillion bytes
any part of the computer you can physically touch
application software
set of programs you use on a computer to help you carry out tasks
system software
set of programs that enables your computer’s hardware devices and application software to work together
operating system
program that controls the way in which your computer system functions
notebook computer
portable computer that has a keyboard, monitor, and other devices integrated into one compact case
netbook computer
small, light-weight notebook computer that is generally between 7-10 inches and has a long battery
tablet pc
similar to a notebook computer but the monitor swivels and folds flat
tablet computer
mobile computer integrated into a flat multitouch-sensitive screen
desktop computer
intended for use at a single location and therefore is stationary
peripheral device
component, such as a keyboard, that is connected to the computer
all-in-one computer
eliminates the need for a separate tower because these computers house the computer’s processor and memory in the monitor unit
large, expensive computer that supports hundreds of users simultaneously
specifically designed computer that can perform complex calculations extremely rapidly
embedded computer
specifically designed computer chip that resides in another device
input device
enables you to enter data and instructions into the computer
QWERTY Keyboard
standard English language keyboard layout
wireless transmission standard that facilitates the connection of electronic computing devices to peripheral devices
output devices
enables you to send processed data out of your computer in the form of text, pictures, sounds or video
display screen/ displays text, graphics and videos as soft copies
liquid crystal display
light and energy efficient monitor
light emitting diode
more efficient and better quality monitor
legacy technology
computing devices or peripherals that use techniques, parts and methods from an earlier time that are no longer popular
organic light emitting diode displays
organic compounds that produce light when exposed to an electric current
aspect ratio
the width-to-height proportion of a monitor
nonimpact printer
sprays ink or uses a laser beam to transfer marks onto the paper
impact printer
tiny hammer-like keys that strike the paper through an inked ribbon, making marks on the computer
inkjet printer
is the standard type of printer found in most homes
laser printer
uses laser beams and static electricity to deliver toner onto the correct areas of the page
produces oversized pictures that require lines, such as maps, detailed images and architectural plans
thermal printer
melts wax-based inks onto ordinary printing paper or by burning dots onto specially coated paper
main circuit board that contains the central electronic components of the computer
system unit
the metal or plastic case that also houses the power source and all the storage devices
modem card
provides the computer with connection to the internet via a traditional phone line
network interface card
enables your computer to connect with other computers or to a cable modem to facilitate a high speed internet connection
random access memory
the place in the computer where the programs and data the computer is currently using and stored
volatile exam
temporary storage location (RAM)
read-only memory
holds all instructions the computer needs to start up when it is powered on
central processing unit
brains of the computer because it controls all the functions performed by the computers other components and processes all the commands issued to it by software instructions
billions of machine cycles per second
internal hard drive
holds all permanently stored programs and data
external hard drive
small enough to fit into your pocket and have storage capacities of 1 to 2 TG
hard disk drive
computers primary device for permanent storage of software and documents
solid state drive
more feasible and useful for desktop and laptop storage
optical drive
reads and copies CDs and DVDs
connectivity port
gives you access to networks and the internet or enable your computer to work as a fax machine
warm boot
restarting the computer while it is powered on
an applied science concerned with designing and arranging things people use so that people and things interact more efficiently and safely
domain name
the protocol that allows files to be transferred from a web server so that you can see the website on your computer by using the browser
File Transfer protocol
used to upload and download files from your computer to a web server
the location that maintains the computers that store the websites files
top-level domain
the suffix in the domain name after the dot
the information after the slash indicates a particular file
subject directory
structured outline of websites organized by topics and subtopics
metasearch engines
search other search engines rather than an individual web site
constantly collects data on the web
Boolean operators
words such as and, not and or that describe the relationship keywords in a search