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Mid Term
Camille Plasaince LSU isds 1100
66
Other
Undergraduate 2
03/20/2013

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Cards

Term
computer
Definition
a device that performs the information-processing cycle
Term
information-processing cycle
Definition
consists of four basic operations: input, processing, output, and storage
Term
computer system
Definition
a group of associated components that work together
Term
Hardware and software
Definition
computer system components two main groups
Term
hardware
Definition
made up of the physical parts of the computer and includes such components as the system unit, monitor, keyboard, and printer
Term
Software
Definition
made up of all the programs that instruct the computer
Term
system software
Definition
includes the programs that assist with the proper functioning of the computer
Term
application software
Definition
includes the programs unused to perform tasks
Term
input
Definition
The first operation of the information-processing cycle, enables the computer to accept data
Term
data
Definition
refers to facts that are raw and unorganized
Term
input devices
Definition
data is entered into the computer for processing through the use of this
Term
processing
Definition
the second operation of the information-processing cycle, converts data into information
Term
information
Definition
refers to consolidated, organized, processed data
Term
the central processing unit (CPU)
Definition
processes data into information
Term
Random access memory (RAM)
Definition
temporarily stores programs and data needed by the CPU
Term
Output
Definition
the third operation of the information-processing cycle, requires output devices to display results for people to see or hear
Term
output devices
Definition
monitors and printers
Term
storage
Definition
the fourth operation of the information-processing cycle, holds programs, software, and data that the computer system uses
Term
storage devices
Definition
includes hard drives, CD and DVD drives, and media card readers that are used with USB drives and flash memory cards
Term
communications
Definition
the high-speed movement of data or information
Term
communication device
Definition
a hardware component that moves data into and out of a computer
Term
network
Definition
connects two or more computers to share input/output devices and other resources through the use of a network interface card
Term
computers for individuals and computers for organizations
Definition
The two separated main types of computers
Term
computers for individuals
Definition
are normally designed for one user at a time
Term
Computers for organizations
Definition
are designed to be used by many people at the same time
Term
Personal computers (PCs)
Definition
are generally either Mac (Apple’s Macintosh) systems or IBM-compatible systems
Term
Desktop computers
Definition
designed for home or office desk use, now include all-in-one computers that combine the system unit and the monitor
Term
Notebook computers
Definition
small enough for easy computer mobility
Term
Subnotebooks
Definition
run full desktop operating systems but have fewer components than notebooks, weigh less, and are smaller
Term
Tablet PCs
Definition
can be used to input data with a keyboard or mouse, and the user can write on the monitor with a special pen or stylus
Term
Netbooks
Definition
small, inexpensive notebooks designed primarily for wireless Web browsing and e-mail
Term
Smartphones
Definition
combine the capabilities of handheld computers, such as PDAs, and mobile phones.
Term
Professional workstations
Definition
are intended for technical applications that need powerful processing and output.
Term
Servers
Definition
enable users connected to a computer network to have access to the network’s programs, hardware, and data
Term
Clients
Definition
include the user computers connected to the network
Term
client/server network
Definition
includes the use of client computers with centralized servers
Term
Minicomputers or midrange servers
Definition
designed to meet the needs of smaller companies or businesses.
Term
Mainframes
Definition
carry out very large processing jobs to meet the needs of large companies or agencies of the government
Term
Supercomputers
Definition
able to perform extremely high-speed processing and show underlying patterns
Term
Computer ethics
Definition
deals with moral dilemmas relating to computer usage
Term
E-learning
Definition
allows students to learn without requiring them to be at a specific location at a specific time
Term
Automation
Definition
the replacement of people by machines and computers
Term
structural unemployment
Definition
the obsolescence of certain jobs
Term
Outsourcing
Definition
where one company contracts with another company to have services performed that could have been done by employees
Term
Labor dumping
Definition
flooding the labor market with foreign workers
Term
Information Systems (IS) Department
Definition
Functional area within a company or university responsible for managing information technology and systems
Term
Vendor
Definition
Software development firm
Term
Offshoring
Definition
Transfer of labor from workers in one country to workers in another
Term
Computer science (CS)
Definition
Study of storage, change, and transfer of information
Term
Management information systems (MIS)
Definition
Focuses on practical applications of information systems and technology
Term
Software engineering
Definition
Involves upgrading, managing, and modifying computer programs
Term
Electrical engineering (EE)
Definition
Focuses on cutting-edge communication and digital circuit design
Term
Telemedicine
Definition
Combines computers and medical expertise to simulate a long-distance house call
Term
Telehealth
Definition
Expansion of telemedicine that extends services to the preventive side of medicine
Term
Application software
Definition
Any program that gives the user the ability to complete work on the computer
Term
General-purpose applications
Definition
Enable users to complete common tasks
Term
Multimedia programs
Definition
Enable users to incorporate more than one type of technology
Term
Media
Definition
Refers to the technology used in presenting information including:
Pictures
Sound
Video
Term
Codecs
Definition
algorithms that reduce file size and allow faster Internet transfer speeds
Term
Lossless compression
Definition
does not delete information needed to reproduce the image without flaws
Term
Lossy compression
Definition
removes some information, but the loss is typically not noticeable
Term
Audio Video Interleave (AVI)
Definition
Microsoft-created specification for packaging audio and video data into a file
Term
Drawing programs
Definition
Create vector graphics that can be edited and resized without distortion
Term
Ray tracing
Definition
Manipulates variations in color intensity that would be produced by light falling on an object from multiple directions
Term
Animation programs
Definition
Give the ability to create animation from images and run the animation
Term
Web-hosted technology
Definition
Share files and collaborate
Windows Office Live
Google Docs
Help avoid file incompatibility
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