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4 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is data? |
Information presented in whatever form is agreed upon by the parties creating and using the data. |
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What is data communication? |
Exchange of data between two devices via some transmission medium. |
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Characteristics for effectiveness of data communication |
1. Delivery (to correct destination, received by only intended device) 2. Accuracy (data altered in transmission is unusable) 3. Timeliness (data delivered late is useless) 4. Jitter (variation in packet arrival time - uneven delay in packet delivery) |
DATJ |
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Components of data communications system |
1. Message (information to be communicated) 2. Sender (device that sends data message) 3. Receiver (device that receives message) 4. Transmission Medium (physical path by which message travels) 5. Protocol (set of rules that govern data communications) |
MSRTP |
