Conquering Computers Chpt 1
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35 terms
Terms | Definitions |
|---|---|
 Computer Literacy (Digital Literacy) | having a current knowledge and understanding of computers and their uses |
| Computer | an electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the results for future use |
| Information | conveys meaning and is useful to people |
| data | collection of unprocessed items, which can include text, images, audio, and video |
| instructions | steps that tell the computer how to perform a particular task |
| information processing cycle | series of input, process, output, and storage activities |
| hardware | electric, electronic, and mechanical components |
| input device | any hardware component that allows you to enter data and instructions into a computer |
| output device | any hardware component that conveys information to one or more people |
| system unit | a case that contains the electronic components of the computer that are used to process data |
| processor | electronic component that interprets and carries out the basic instructions that operate the computer |
| memory | consists of electronic components that store instructions waiting to be executed and data needed by those instructions |
| storage media | USB disks, hard disks, CDs, DVDs and memory cards |
| communications device | a hardware component that enables a computer to send and receive data, instructions, and information to and from one or more computers |
| advantages of using computers | speed, reliability, consistency, storage, communications |
| disadvantages of using computers | violation of privacy, public safety, impact on labor force, health risks, impact on environment |
| network | collection of computers and devices connected together, often wirelessly, via communications devices and transmission media |
| online | when a computer connects to a network |
| internet | worldwide collection of networks that connects millions of businesses, government agencies, educational institutuions, and individuals |
| web | contains billions of documents called Web pages |
| Web page | can contain text, graphics, audio, and video |
| social networking | when people join online communities |
| photo/video sharing community | a specific type of networking Web site that allows users to create an online photo album and store and share their digital photos (videos) |
| publish | make available |
| blog | informal site consisting of time-stamped articles in a diary or journal format, usually listed in reverse chronological order |
| podcast | recorded audio that can be downloaded |
| vidcast | podcast with video |
| graphical user interface | interact with software using text, graphics, and visual images such as icons |
| software (program) | series of instructions that tells the computer what to do and how to do it |
| icon | miniature image that represents something |
| system software | consists of the programs that control or maintain the operations of the computer and its devices |
| operating system | set of programs that coordinates all the activities among computer hardware devices |
| utility program | allows a user to perform maintenance-type tasks usually related to managing a computer, its devices, or its programs |
| application software | programs designed to make users more productive and assist them with personal tasks |
| installing | the process of setting up software to work with the computer, printer, and other hardware components |
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