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142 terms

Information apps

computer
STUDY
PLAY
computer literacy
having the knowledge and understanding of computers and their uses
computer
is an electronic device operating under the control of instructions stored in its own memory that can accept data process the data according to specified rule produce results and store the results for future use
data
is a collection of unprocessed items which can include text numbers images audio and video
input device
is any hardware component that allows you to enter data and instructions into a computer
information processing cycle
the series of input process, output and storage activites
hardware
a computer contains many electric elctronic and mechanical components
system unit
a case that contains electronic components of the computer that are used to process data
output device
any hardware component that conveys information to one or more people
modem
a widely used communication device
communication device
a hardware component that enables a computer to send (transmit) and recieve data, instructions and information to and from one or more computers
user
anyone who communicates with a computer or utilizes the information it generates
internet
a worldwide collection of networks that connects millions of business government agencies educational institutions and individuals
website
a collection of related (billions) web pages
photo sharing community
users can create an online photo album and store their digital photographs
software
consists of a series of instructions that tell the computer what to do and how to do it (system software & application software)
mobile computer
a personal computer based on the original IMB personal computer design
notebook computer
a portable personal computer designed to fit in your lab
smart phone
an internet-enabled telephone that usually provides PDA capabilities
mainframe
NOT a popular type of mobile device
UMPC
a computer small enough to fit in one hand
PDA
provides personal organizer functions such as calendar app book address book etc.
standard game consoles
use handheld controllers as an input device a tv screen as an output device and hard discs and optical discs for storage
game console
a mobile computing device designed for single player or multiplayer video games
supercomputers
the fastest most powerful computers and the most expensive
embedded computers
components in larger products they usually are small and have limited hardware
small offices
include local law practices accounting frms and travel agencies and flourists
SOHO
includes any company with fewer than 50 employers as well as self employed who work from home
mobile users
who work on a computer while away from a main office home office or school
power users
users that requires the capabilities of a workstation or other powerful computer
IT department
keep the computers and network running
online banking
users access account balances pay bills and copy monthly transactions from a banks computer right into their personal computer
neural network
a system that attempts to imitate the behavior of the human brain
CAM
refers to the use of computer to assist with manufacturing processes such as fabrication and assembly.
world wide web and email
two of the more widely accessed internet services
ARPA
an agency of the US department of defense
ARPANET
internet has its roots in.. a network that became functional in 1969 linking scientific and academic researchers across the US
traffic
bulk of communications activity on the interent
DSL
is a technology that provides high-speed internet connection using regular copper telephone lines
web
consists of a worldwide collection of electronic documents
browser
application software that allows users to access and view web pages
portal
a website that offers a variety of internet services from a single convenient location.
microblog
allows users to publish short messages usually between 100 and 200 characters for others to read
thumbnail
a small version of a larger graphic
audio
includes music speech and any other sound
content aggregators
what prodcasters register their prodcasts with
MP3
a format that reduces an audio file to about 1/10th of it original size while preserving much of the original quality of sound
streaming
the process of transferring data in a continuos and even flow which allows user to access and use a file while it is transmitting
player
special software needed to listen to an audio file on a computer
prodcast
recorded audio usually an MP3 file stored on a website that can be downloaded to a computer or a portable digital audio player such as an ipod
VR
the use of computer to stimulate a real or imagined environment that appears as three-dimensional 3D space
video
consists of full motion images that are played back at various speeds
E-commerce
a business transaction that occurs over an electronic network such as the internet
consumer-to-consumer
when a consumer sells directly to another consumer such as an online auction
business to business
e-commerce between businesses
E-mail
the transmission of messages and files via a computer network
user name
a unique combination of characters such as letter of the alpha/numbers that identifies a specific person
POP3
the latest version of a communication technology used by some incoming mail servers
mailing list
a group of e-mail names and addresses given a single name
IM
a real-time internet communications service that notifies users when one or more people are online and then allows them to exchange messages or files or join a private chatroom
real time
means that the people who are conversing on a computer are online at the same time
instant messaging
both parties must be on at the same time and the receiver of message must be willing to accept messages
chat
is a real time typed conversation that takes place on a computer
chat client
to start a chat session a users connects a chat server through this program
VoIP
enables users to speak to other users over the internet
FTP
an internet standard that permits file uploading and downloading with other computers on the internet
FTP server
a computer that allows users to upload and/or download files using FTP
spoiler
a message that reveals a solution to a game or ending to a movie or program
netiquette
the code of acceptable behaviors users should follow while on the internet that is it is conduct expected of individual while online
emoticons
such as :) or :( to express emption in an email
application software
consists if programs designed to make users more productive and/or assist them with personal tasks
file
a named collection of stored data instructions or information
menu
contains a list of commands from which a user makes selections
command
an instruction that causes a program to perform a specific action
window
a rectangular area of the screen that displays data and information
title bar
at the top of a window which is horizontal space that contains the windows name
word processing software
allows users to create and manipulate documents containing mostly text and sometimes graphics
clip art
a collection of electronic drawings photos and other images that can be inserted into documents
spelling checker
which reviews the spelling of individual words sections of a document or the entire document
spreadsheet software
a software that allows users to organize data in rows and columns and perform calculations on the data
worksheet
the rows and columns collectively
save a document
the comp transfers the doc from memory to a storage medium
print
comp sends a copy of the doc to a medium such as paper
cell
the intersection of a column and row in a worksheet
value
worksheet cells contain a number that can be used in a calculation
formula
performs calculations on the data in a worksheet and displays the resulting value of the cell
label
the text, entered in a cell identifies the worksheet data and helps organize the worksheet
database
a collection of data organized in a manner that allows access retrieval and use of the data
notetaking
software enables users to enter typed text handwritten comments drawings or sketches anywhere on a page and then save the page of a notebook
PIM
an application software that included an appointment calendar address book notepad and other features to help users organize personal information
PIM
included in most mobile devices
project management software
allows users to plan, schedule track and analyze the events resources and costs of a project
document management software
provides means for sharing distributing and searching through documents by converting them into a format that can be views by any user
DTP software
a software that enables professional designers to create sophisticated documents that contain text graphics and many colors
CAD software
is a sophisticated type of application software the assist a professional user in creating engineering architectural and scientific designs
page layout
the process of arranging text and graphics in a document on a page by page basis
color library
which is a standard set of colors used by designers and printers to ensure that colors will print exactly as specified
image editing software
provides the capabilities of paint software and also includes the ability to enhance and modify existing images and pictures
video editing software
allows users to modify a segment of a video called a clip
audio editing software
lets users modify audio clips and produce studio quality sound tracks
web page authoring
helps users of all skill levels crate web pages that include graphical images video audio animation and other special effects
personal finance software
a simplified accounting program that helps home users and small office/ home office user balance their checkbooks
home design landscaping software
helps assist with the design remodeling or improvement of home deck or landscape
reference software
provides valuable and thorough information for all individuals
blogware
blog author needs to create and maintain a blog
web-based help
provides updates and more comprehensive resources to respond to technical issues about software
desktop personal computers
the electronic component and most storage devices are part of the system unit and other devices such as keyboard mouse and monitor normally occupy space outside the system unit
system unit
a case that contains electronic components of the computer used to process data.
system board
the main circuit board of the system unit
computer chip
a small piece of semi-conducting material usually silicon on which integrated circuits are etched
microprocessor
a personal computer processor chip
CPU
interprets and carries out the basic instructions that operate a computer
multi-core processor
a chip with two or more separate processor cores
ALU
the component of the processor that performs arithmetic comparison and other operations
registers
high speed storage locations processors contain that temporarily hold data and instructions
system clock
small quartz crystal that controls the timing of all computer operations
clock cycle
each tick of the system clock
gigahertz
one billion ticks of the system clock per second
intel core family
high performance personal computers today use a processor in these
heat sink
a small ceramic or metal component with fins on its surface that absorbs and disperses heat produced by electrical components such as a processor
memory
consists of electronic components that store instructions waiting to be executed by the processor data needed by those instructions and the results of processed data
home users memory
2GB or less or RAM
L1 cache
built in directly into a processor chip and usually has ver small capacity
firmware
a ROM chip that contains permanently written data instructions or information that us recorded when the chip is manufactured
microcode instruction
to program a PROM chip
flash memory
a type of nonvolatile memory that can be erased electronically and reprogrammed similar to EEPROM
peripheral
such as a keyboard or printer is a device that connects to the system unit and is controlled by the processor in the computer
video card
converts computer output into a video signal that travel through a cable to the monitor which displays an image on the screen
expresscard slot
a special type of expansion slot
gender changer
a device that enables users to jion two connectors that are both female and both male
firewire port
formerly referred ta as an IEEE1394 port
bluetooth technology
an alternative to IrDA that uses radio waves to transmit data between two devices
MIDI port
a special type of serial port that connects the system unit to a musical instrument such as an electric keyboard
SCSI port
a special high-speed parallel port that allows users to attach peripherals such as dick drives and printers
IrDa port
needed for a wireless device to transmit signals to computer via infrared light waves
bus width
the size of a bus, determines the number of bits that the computer can transmit at one time
word size
the number of bits the processor can interpret and execute at a given time
the wider the bus
the fewer the number of transfer steps required and the faster the transfer of data
PCI bus
a high speed expansion bus that connects high speed devices
accelerated graphics port
a bus designed to improve the speed with which 3d graphics and video transmit
USB and Firewire bus
buses that eliminate the need to install cards in expansion slots
bay
is and opening inside the system unit in which additional equipment can be installed
power supply
is the component of the system unit that converts the wall outlet AC power into the DC power a computer requires