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Intro to Computers

TermDefinition
Computer Literacy Having a current knowledge and understanding of computers and their uses.
Computer 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 Processed data that conveys meaning and is useful to people.
Hardware Electric, electronic, and mechanical components contained in a computer.
Input Device Any hardware component that allows users to enter data and instructions into a computer.
Output Device Any hardware component that conveys information to one or more people.
System Unit Case that contains the electronic components of a computer that are used to process data.
Storage Device Data, instructions, and information on a computer.
Communication Device Hardware component that enables a computer to send/transmit and receive data, instructions, and information to and from one or more computers.
Network Collection of computers and devices connected together, often wireless, via communications devices and transmission media, allowing computers to share resources.
Internet Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals.
Software Series of instruction that tells a computer what tasks to perform and how to perform them.
Graphical User Interface (GUI) Type of user interface that allows a user to interact with software using text, graphics, and visual images, such as icons.
System Software Programs that control or maintain the operations of a computer and its devices.
Operating System Set of programs that coordinates all the activities among computer hardware devices.
Utility Program Type of system software that allows a user to perform maintenance-type tasks usually related to managing a computer, its devices, or its programs.
Application Software Program designed to make users more productive and/or assist them with personal tasks.
Server Computer that controls access to hardware, software, and other resources on a network and provides a centralized storage area for programs, data, and information.
Mainframes Large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously, storing tremendous amounts of data, instructions, and information.
Supercomputer Fastest, most powerful, and most expensive computer, capable of processing more than one quadrillion instructions in a single second.
Created by: amanning
 

 



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