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94 Cards in this Set

  • Front
  • Back
an electronic, programmable device which manipulates/processes and stores data so that useful information can be generated.
Computer
set of instructions
program
Computer Capabilities
S
A
R
M
computer limitations
cannot derive meanings from objects
cannot correct wrong input
cannot generate information on its own
dependent on the given instructions
gathering the raw data input, evaluating and bringing order to it
data processing
distinct pieces of information, usually formatted in a special way
data
collection of facts from which conclusions may be drawn
information
the data or source of information entering the system to be processed by a computer.
Input
may also be computer programs that will process the data
Input
the orderly planned actions taken by the computer with the information or data that is entered into the system
processing
distinct pieces of information, usually formatted in a special way
data
collection of facts from which conclusions may be drawn
information
the data or source of information entering the system to be processed by a computer.
Input
may also be computer programs that will process the data
Input
the orderly planned actions taken by the computer with the information or data that is entered into the system
processing
expanded data processing cycle
O
D
S
the results of processed data or information
output
step in which refers to the process of collecting the original data
origination
an original recording of the data is called ____________
source document
refers to the distribution of the output data
distribution
recordings of the output data are often called _____________
report documents
any physical device in or on which computer information can be kept.
storage
Data processing Operations
R
D
C
S
S&R
M
S
R
F
refers to the transfer of data onto some form or document
recording
duplicating
this operation consists in reproducing data onto many forms or documents
this operation separates data into various categories
classifying
arranging data in a specific order
sorting
a collection of data is condensed and certain conclusion from the data are represented in a meaningful format
summarizing and reporting
this operation takes two or more sets of data, all sets having been sorted by the same key, and puts them together to form a single sorted set of data
merging
placing similar data into files for future reference
storing
recovering stored data and/or information when needed
retrieving
the comparison of the outputs and the goal set in advance; any discrepancy is analyzed, corrected, and fed back to the proper stage in the processing operation
feedback
collection of unprocessed items which can include text, numbers, images, audio and video
data
converys meaning and is useful to people
information
steps that tell the computer how to perform a particular task
instructions
a collection of related instructions organized for a common purpose is referred to as ____________
software
the series of input, process, output and storage activities
information processing cycle
Advantages of Computers
S
R
C
S
C
a computing phrase, points out that accuracy of a computer's output depends on the accuracy of the input
garbage in, garbage out
Disadvantages of computers
HR
VP
PS
ILF
IE
occurs when someone becomes obsessed with using a computer
computer addiction
feel distresses when deprived of computer and mobile devices
technology overload
involves reducing the electricity consumed and environmental waste generated when using a computer
green computing
a computer contains many electric, electronic, and mechanical components known as ________
hardware
components of computer
ID
OD
SU
SD
CD
any hardware component that allows you to enter data and instructions into a computer
input device
any hardware component that conveys information to or or more people
output device
a case that contains the electronic components of the computer that are used to process data
System Unit
two main components of motherboard
Processor/CPU
memory
electronic component that interprets and carries out the basic instructions that operate the computer
processor
consists of electronic components that store instructions waiting to be executed and dta needed by those instructions.
Memory
holds data, instructions and information for future use
storage device
hardware component that enables a computer to send and receive data, instructions and information to and from one or more computers or mobile devies.
communication device
also called a program, consists of series of related instructions, organized for a common purpose that tells the computer what tasks to perform and how to perform them
Software
software today often has ________
graphical user interface (GUI)
two categories of software
System software
Application software
consists of the programs that control or maintain the operations of the computer and its devices.
system software
two types of system software
OS
Utility Program
is a set of programs that coordinates all the activities among computer hardware devices
operating system
allows a use to perform maintenance-type tasks usually related to managing a computer, its device, or its programs.
utility program
consists of programs designed to make users more productive and or assists them with personal tasks
application software
computer than can perform all of its input, processing, output and storage activities by itself
personal computer
two types of personal computers
desktop computer
notebook computer
designed so that the system unit, input devices output devices, and any other devices fir entirely on or under a desk or table
desktop computer
personal computer you can carry from place to place
mobile computer
also called a laptop, is portable, personal computer designed to fit on your lap
notebook computer
PCs resembling a letter-seized slate
Tablet PC
small enough to carry in a pocket, usually do not have disk drives
mobile devices
five popular types of mobile devices
Smart Phone
PDA
Handheld Computer
Portable media player
Digital Camera
internet-enabled phone that usually also provides personal information management functions such as a calendar, an appointment book, an address book etc.
smart phone
provides personal information management, functions such as a clanedar, an appointment book
PDA
sometimes referred to as UMPC
handheld computer
a mobile device on which you can store organize and play digital media
portable medical player
a device that allows users to take pictures and store the photographed images digital instead of on traditional firm
digital camera
mobile computing device designed for single-player or multi-player video games
game console
controls access to the hardware, software, and other resources on a network and provides a centralized storage area for programs, data and information
servers
large, expensive, powerful computer than can handle hundreds or thousands of connected users simultaneously
Mainframs
fastest, most powerful computer and the most expensive
supercomputers
special-purpose computer that functions as a component in a large product
embedded computer
Elements of an information system
H
S
D
Pe
Pr
must be reliable and capable of handling the expected workload
hardware
must be developed carefully and tested thoroughly
software
examples of computer Usage
Home
SOHO
Mobile
Power
Enterprise
Home User computer uses
Personal Financial management
Web Access
Communication
Entertainment
includes any company with fewer than 50 employees as well as the self employed who work from home
SOHO
small offices include
Local Law practices
Accounting firms
Travel Agencies
Florists
those who work on a computer or mobile device while away from a main office, home office, or school
mobile users
examples of home user
sales rep
insurance agents
package delivery
journalists
consultants
students
requires the capabilities of a workstation or other type of powerful computer
power user
examples of power user
engineers
scientists
architects
desktop publishers
graphic artists
power users often work with _________
multimedia
has hundreds or thousands of employees or customers that work in or do business with offices across a region, the country or the world
enterprise user
refers to the huge network of computers that meets their diverse computing needs
enterprise computing
is a work arrangement in which employees work away from a company's standard workplace and often communicate with the office through the computer
telecommuting