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computer literacy

having the knowledge and understanding of computers and their uses


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


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


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


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


anyone who communicates with a computer or utilizes the information it generates


a worldwide collection of networks that connects millions of business government agencies educational institutions and individuals


a collection of related (billions) web pages

photo sharing community

users can create an online photo album and store their digital photographs


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


NOT a popular type of mobile device


a computer small enough to fit in one hand


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


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


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


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


an agency of the US department of defense


internet has its roots in.. a network that became functional in 1969 linking scientific and academic researchers across the US


bulk of communications activity on the interent


is a technology that provides high-speed internet connection using regular copper telephone lines


consists of a worldwide collection of electronic documents


application software that allows users to access and view web pages


a website that offers a variety of internet services from a single convenient location.


allows users to publish short messages usually between 100 and 200 characters for others to read


a small version of a larger graphic


includes music speech and any other sound

content aggregators

what prodcasters register their prodcasts with


a format that reduces an audio file to about 1/10th of it original size while preserving much of the original quality of sound


the process of transferring data in a continuos and even flow which allows user to access and use a file while it is transmitting


special software needed to listen to an audio file on a computer


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


the use of computer to stimulate a real or imagined environment that appears as three-dimensional 3D space


consists of full motion images that are played back at various speeds


a business transaction that occurs over an electronic network such as the internet


when a consumer sells directly to another consumer such as an online auction

business to business

e-commerce between businesses


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


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


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


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


enables users to speak to other users over the internet


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


a message that reveals a solution to a game or ending to a movie or program


the code of acceptable behaviors users should follow while on the internet that is it is conduct expected of individual while online


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


a named collection of stored data instructions or information


contains a list of commands from which a user makes selections


an instruction that causes a program to perform a specific action


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


the rows and columns collectively

save a document

the comp transfers the doc from memory to a storage medium


comp sends a copy of the doc to a medium such as paper


the intersection of a column and row in a worksheet


worksheet cells contain a number that can be used in a calculation


performs calculations on the data in a worksheet and displays the resulting value of the cell


the text, entered in a cell identifies the worksheet data and helps organize the worksheet


a collection of data organized in a manner that allows access retrieval and use of the data


software enables users to enter typed text handwritten comments drawings or sketches anywhere on a page and then save the page of a notebook


an application software that included an appointment calendar address book notepad and other features to help users organize personal information


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


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


a personal computer processor chip


interprets and carries out the basic instructions that operate a computer

multi-core processor

a chip with two or more separate processor cores


the component of the processor that performs arithmetic comparison and other operations


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


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


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


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


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


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

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