Term
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Definition
| devise responsible for modulation: translation of digital signals to analog signals |
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Definition
| translating data from analog to digital |
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| a device that combines data from multiple data sources into a single output signal that carries multiple channels, thus reducing the number of communications links needed and therefore, lowering telecommunications cost |
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Definition
| can transmit data in only one direction |
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Definition
| can transmit data in either direction, but not simultaneously |
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Definition
| permits data transmission in both directions at the same time, like two simplex channels in one |
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Definition
| special-purpose computer that manages communications to and from a computer system serving hundreds or even thousands of users |
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Term
| Private Branch Exchange (pbx) |
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Definition
| a telephone switching exchange that serves a single organization |
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Definition
| a telecommunications device that uses the physical device address in each incoming message on the network to determine to which output port it should forward the message to reach another device on the same network |
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Definition
| a telecommunications device that connects one LAN to another LAN using the same telecommunications protocol |
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Definition
| a telecommunications device that forwards data packets across two or more distinct networks towards their destinations, through a process known as routing |
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Definition
| a telecommunications device that serves as an entrance to another network |
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Term
| network-managent software |
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Definition
| software that enables a manager on a networked desktop to monitor the use of individual computers and shared hardware (such as printers) scan for viruses, and ensure compliance with software licenses |
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