CCC Vocabulary Essay

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Computer literacy , also known as digital literacy , involves having a current knowledge and under standing 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 rules, 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. THE INPUT enter data into computer

Information conveys meaning and is useful to people. THE OUTPUT conveys info to people(printer, monitor, speakers)

Information processing cycle is a series of input, process, output, and storage activities.

Hardware is electric, electronic, and mechanical components such as input devices, output devices, a system unit, storage devices, and communications devices.

System Unit is a case that contains electronic components of the computer that are used to process data Motherboard circuit board containing the processor and memory
Processor, also called the CPU (central processing unit) , is the electronic component that interprets and carries out the basic instructions that operate the computer.
Memory is electronic components that store instructions waiting to be executed and data needed by those instructions. Temporary saved so, contents are erased when the computer is shut off.
Storage media keeps data, instructions, and information(USB flash drive, hard disk)
Storage device inputs-records (writes) and/or retrieves (reads) items to and from storage media (memory card) optical disc is a flat, round, portable metal disc with a plastic coating

Communications Device is a hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers or mobile devices. (may be wireless radio networks)

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

Advantages of Using Computers speed, reliability, consistency, storage, communications

Disadvantages of Using Computers violation of privacy, public safety (victim to crimes), impact on labor force, health risks, impact on environment,

Network is a collection of computers and devices connected together and share resources, such as hardware, software, data, and information
Online successful connection to a network
Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
B:IP address is a number that uniquely identifies each computer or device connected to the Internet.
Web a widely used service on the Internet, consists of a worldwide collection of electronic documents.
Web page contains text, graphics, animation, audio, and video
Web site is a collection of related Web pages
Aggregator is a business that gathers and organizes Web content and then distributes, or feeds, the content to subscribers for free or a fee.
Portal is a Web site that offers a variety of Internet services from a single, convenient location.
Subject directory classifies Web pages into an organized set of categories and related subcategories.
Link is a built-in connection to another Web page or part of a Web page.
Blog Web site consisting of time stamped articles in a diary or journal format, usually listed in reverse chronological order. As others read the articles in a blog, they reply with their own thoughts microblog allows users to publish short messages, usually between 100 and 200 characters, for others to read.
Podcast is recorded audio stored on a Web site that can be downloaded to a computer or a portable media player such as an iPod
Web application is a Web site that allows users to access and interact with software from any computer or device that is connected to the Internet(email, games)
Web 2.0 Web sites such as social networking Web sites, blogs, and Web
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