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cmw 1 vocab

chapter 1 vocab

computer literacy (digital literacy) involves 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
data collection of unprocessed items, which can include text, numbers, images, audio, and video
information conveys meaning and is useful to people
information processing cycle series of input, process, output, and storage activities
hardware a computer contains this. many electric, electronic, and mechanical components
input devices any hardware component that allows you to enter data and instructions into a computer. EX: keyboard, mouse, microphone, scanner, webcam
output devices any hardware component that conveys information to one or more people. EX: printer, monitor, speakers
storage devices records and/or retrieves items to and from storage media. EX: hard drive- greater storage capacity than USB drive. USB flashdrive- portable storage device
system unit case that contains the electronic components of the computer that are used to process data. EX: processor- electronic component that interprets and carries out the basic instructions that operate the computer.
system unit (continued) memory- consists of electronic components that store instructions waiting to be executed and data needed by those instructions
motherboard the circuitry of the system unit usually is part of or is connected to this circuit board
communication device a hardware component that enables a computer to send and recieve data, instructions, and information to and from one or more computer or mobile devices. EX: modem- a widely used communications devices
categories of software system software and application software
application software consists of programs designed to make users more productive and/or assist them with personal tasks
system software consists of the programs that control or maintain the operations of the computer and its devices
categories of computers personal computers, mobile computers and mobiles devices, game consoles, servers, mainframes, supercomputers, and embedded computers
personal computer a computer that can perform all of its input, processing, output, and storage activities by itself. EX: desktop and notebook
mobile computers personal computer you can carry from place to place. EX: tablet pc- special type of laptop that you can interact w/ by touching the screen w/ your finger or digital pen- looks like a small ink pen but uses pressure instead of ink
game consoles mobile computing device for single-player or multiplayer video games
servers controls access to the hardware, software, and other resources on a network and provides a centralized storage area for programs, data, and information
mainframe computer a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
super computers the fastest, most powerful computer and the most expensive
embedded computers a special purpose computer that functions as a component in a larger product
Created by: morgan1912