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Networking Key Terms

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Unit 1 Key Terms

Computer – An electronic device for storing & processing data, typically in binary form according to instructions given to it by a variable program.
Bit – A digit in the binary number system, it can have 2 values (0 or 1)
Byte – A group of 8 binary digits or bits
RAM (Random Access Memory) – Memory device in which information can be accessed in any order
Character Set – An ordered list of characters that are used together in writing or printing
File – A self-contained piece of information available to the OS and its programs
File Set – A group of files found in a directory tree.
Directory – A file that consists solely of a set of other files
Hard Disk Drive – A data storage device used for storing and retrieving digital information using rapidly rotating disks coated with magnetic material
Input/OutPut – Any program, operation, or device that that transfers data to or from a computer and/or a peripheral device
Keyboard Map – A file that contains mapping information between keys on the users client keyboard and the keys on a terminal
Mouse – A small handheld device that is dragged across a flat surface to move the cursor on a computer screen
Pixel Map – A video mapping technique used in some in some devices such as LCD monitors
Display – An electronic device used for the visual presentation of data
Screen Resolution – The number of dots (pixels) on the entire screen

Unit 2 Key Terms
Computer Networking - A group of computer systems and other computing hardware devices that are linked together through communication channels to facilitate communication and resource-sharing among a wide range of users
Computer Network – A group of 2 or more computer systems linked together
Application – A program designed for end-users
Email – Message(s) sent & received electronically over a computer network.
Voice Call – A connection

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