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20 Cards in this Set

  • Front
  • Back
Define Channel
Media, such as telephone wires, coaxial cable, microwave signal, or fiber optic cable that carry data communication messages
Define Computer
Electronic device that receives data, processes data, stores data, and produces a result
Define Computer system
Hardware, software, and data working together
Define Data Communications
Transmission of text, numeric, voice or video data from one machine to another
Define Hardware
The tangible, physical equipment that can be seen and touched.
Define Internet
The largest network used as a communication tool
Local Area Network (LAN)
A series of connected personal computers, workstations and other devices, such as printers or scanners, within a confined space, such as an office building.
Mainframe Computer
Large, powerful computers that are used for centralized storage, processing, and management of very large amounts of data.
Microcomputer
Sometimes called a personal computer; used at home or at the office by one person; can fit on top of or under a desk.
Microprocessors
An integrated circuit silicon chip that contains the processing unit for a computer or a computerized appliance.
Minicomputers
Type of computer that is designed to serve multiple users and process significant amounts of data; larger than a microcomputer, but smaller than a mainframe.
Network
Connects one computer to other computers and peripheral devices.
Notebook Computer
Similar to a microcomputer; however, it is smaller and portable.
People
Users of the computers who enter the data and use the output.
Protocol
Standard format for transferring data between two devices. TCP/IP is the agreed upon international standard for transmitting data.
Receiver
Computer that receives a data transmission
Sender
Computer that sends a data transmission
Software
Intangible set of instructions that tells the computer what to do
Supercomputers
Largest and fastest computers, capable of storing and processing tremendous volumes of data
Wide Area Networks
Computer networks that cover a large geographical area. Most WANs are made up of several connected LANs