Data Prefi Flashcards
Data flows in both directions simultaneously and bi-directional both directions
Full-Duplex
converts digital information into tones for transmitting through the phone lines.
Modem
The connection between the modem and the outside world is an analog connection
Analog Connection
the data flows in one direction on the data communication line. examples are the radio and television broadcast
Simplex
It enables your computer to receive calls in your absence.
Auto-answer modem
Modems that support a _______ switch have a built in loudspeaker and microphone for voice communication
voice/data
The amount of data transferred and the transfer rate, amount of use
Data channels
Are special communication channels provided by common carrier It also called Leased Lines,
Data channels
Due to the bandwidth limits on voice channels, the data transfer rate is relatively slow. It talking to someone on the phone uses voice channels
Telecommunication
The connection between the modem and terminal/computer
Digital Connection
The Dial-up connection through a modem using standard telephone lines.
Voice channels
A plug in circuit board that sits inside the computer. It board that sits inside the computer.
Internal Modem
a conversation on walkie-talkies data flow. in both direction but only one direction at a time on the data communication line
Half Duplex
Computer information is stored ______, whereas information transmitted over telephone lines.
digitally
A device that enables a computer to transmit data over, for example telephone and cable lines
Modem
