Computer Networks

Bulletin Board Service (BBS)
A Bulletin Board Service (BBS) is a computer server running software that allows users to connect through a terminal program. Once connected, users can post messages, share files, read news, and participate in online discussions.
Data Communication
Data Communication refers to the exchange of data between two or more connected computers or devices. It involves the transfer of data from one point to another over a network, ensuring accurate and instant information dissemination.
Ethernet
Ethernet is a standard method of connecting computers to a Local Area Network (LAN) primarily using coaxial cable, but also other forms of cabling and link media.
File Transfer
The process of moving or transmitting a computer file from one location to another, such as between two programs or from one computer to another, ensuring data integrity and confidentiality.
Full Duplex
In computer usage, full duplex refers to the transmission of data in two directions simultaneously, allowing for more efficient communication.
Local Area Network (LAN)
A Local Area Network (LAN) is a network of computers and associated devices linked together within a limited area or a common environment, such as an office building or a home.
Modem
A modem is a device that links computer systems via telephone lines, enabling computers in different locations to exchange information. It is short for modulator-demodulator. Modems convert telephone impulses to computer-interpretable impulses, requiring a modem at each end of the communication link to send or receive converted impulses.
Packet
A packet is a unit of data sent across a network. When a large block of data is to be sent over a network, it is broken up into several packets, which are then sent separately and reassembled at the destination.
Systems Network Architecture (SNA)
Systems Network Architecture (SNA) is a proprietary networking architecture created by IBM, primarily used for IBM's mainframe and midrange computer systems.
Upload
The process of providing data from a smaller computer system, such as a microcomputer, to a larger system, such as a mainframe or minicomputer, or to another microcomputer.
Wide Area Network (WAN)
A Wide Area Network (WAN) is a telecommunications network that extends over a large geographical area for the primary purpose of computer networking. This type of network connects individual and organizational workstations that are located far apart, such as in different states, countries, or continents.

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