Cis Chapter 1

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Computer Literacy

Back 1

having current knowledge and understanding of computers and their uses

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Computer

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is an electronic device operating under the control of instruction stored in its own memory, that can accept data process data.

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Data

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A collection of unprocessed items, which can include text, numbesr, images, audio, and video.

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Information

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Conveys meanign and is useful to people.

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Infomration processing cycle

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Seeries of input, proccess output, and storage activites as commuincation

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Hardware

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eletric, eletronic, and mechanical componets of a computer

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Input device

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Is any hardware component that allows you to enter data and instructions into a computer

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Output device

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Is any hardware component that convoys information to one or more people.

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CPU

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Central Processing unit electronic compound that interprets and carries out eh basic instructions that operate the computer

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System Unit

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Case that contians parts of the computer

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memory

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consists of electronic components that store instructions waiting to be exectued and data needed by the instructions

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Storage/Storage device

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record keeping forever till deleted writing/retrieves items to and from storage media ie memory card and DVD

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Commuications device

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device that endless computer to send/ transmit and receive data, instrucion, and information to and from one or more computers or the most mobile device

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Network

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is a collection of computers and devices connected together.

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Resources

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hardware,software,data,and information

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Internet

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worldwide collection of networks that connects millions of businesses , gov. agencies, edu. institutions and individuals

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Web or WWW

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World Wide Web one of the more popular services on teh Internet

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Web page

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Documents on teh web taht contain text, graphics, animation, audio, and video.

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Webstie

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collection of related web pages.

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Web 2.0

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Websites taht provied a means for users, to share personal info. IE social network, web site , blogs, and web applications.

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GUI:

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Graphical user interface that use visual images such as icons to hep interact.

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Icon

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A minature image taht represents a program, an instruction, or some other object.

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Software

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sense of related instructions, organized for a comon purpose that tells the computer what tasks to perform

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System software

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Programs that control or maintain the operations o teh computer and its devices

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Application software

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Consist of programs design to make system users more productive and / or assits them with personal tasks.

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Operating System

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Set of programs that coordinates all the activites among computer hardware devices.

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Utility/Utility Program

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type of system software that allows a user to perform maintenance type tasks usually related to meaning a computer its devices and its program.

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Installing

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Process of setting up software to word wtih the computer printer, and other hardware.

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Loading

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The process of the hard disc reading data and outputing it onto another device

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Programmer

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Someone who makes/develops software or writes the instructions that direct the computer to process data into information

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Convergence

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trend of computers and devices with technologies that over lap, which leads to comp. manufacturer continually released newer models.

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Personal Computer

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A computer that can perform all of its input processing, output, and storage activities

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Desktop Computer

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Designed so that the system unit input devles, output devices, and any other devices fit entirely on or under the table

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Mobile Computer

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personal computer you can carry few place to place.

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Notebook/laptop Computer

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Portable, personal computer often designed to fit on a your lap. Notebooks are thin lightweight yet can be as powerful as the desktop.

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Tablet PC

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Special type of notebook computer you can interact with by touching the screen with your finger or a digital pen.

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Server

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Controls access to the hardware, software, and other resources on a network and provides a centralized storage area.

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Mainframe

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Is a large expensive powerful computer than can handle hundreds or thousands of connected users simultaneously

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Supercomputer

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Fastest, most powerful computer and the most expensive.

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Embedded Computer

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Is a special purpose computer that functions as a component in a larger product.

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Tower

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Is the metal chassis that holds all of a computer components together.

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Handheld

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device that is small enough for one's hands.

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Home User

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Uses a computer for a variety of reasons including personal finance, Web access, communications and entertainment

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Small Office/ Home Office User

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include any company with fewer than 50 employees

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Mobile User

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People who work on a mobile computer or device while away from the main office, home office , or school.

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Power User

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requires capabilites of a powerful desktop computer. ie engineers,

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Enterprise User

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each employee or customer who use a computer in the enterprise

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Education

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student use computer to help with research and completing assignments

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Finance

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balance checkbooks, pay bills, track personal income

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Government

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file taxes apply for permits and licenses, pay parking tickets, buy stamps

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Health care

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Doctors use the web and medical software to assist with researching and diagnosing health, use e-mails to answer patients, robots deliver medication .

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Science

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Assists collecting, analyzing and modeling data.

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Publishing

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type out books, magazines, newspapers, music, film, and videos

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Travel

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website to research travel and reserve hotels. GPS

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Manufacturing

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robots weld cars together.