The direction of the data flow can be described as:
1. Simplex
2. Half duplex
3. Full duplex
1. Simplex:- In Simplex data flows in only one direction on the data communication line (medium).
Examples are radio and television broadcasts. They go from the TV station to your home television
2. Half duplex:-In Half-Duplex data flows in both directions but only one direction at a time on the data communication line. For example, a conversation on walkie-talkies is a half-duplex data flow
3. Full-Duplex: In full duplex data flows in both directions simultaneously. Modems are configured to flow data in both directions
Top to bottom
The direction of data flow for data transfers are different by these to reasons MP3 files are downloaded from the PC to the MP3 player, in contrast to digital cameras, which transfers or uploads to the PC.
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The address bus is unidirectional(only in one direction) in the processor. So, the flow of information on this bus is from the microprocessor to the attached device(memory module).
in which direction does the river Shannon flow?
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Blood flow doesn't change direction. They always head for the same direction.
Downward, Downriver, Downhill, the direction gravity pulls everything.
There are mainly three types of transmission modes : 1) Simplex : Information can flow only in one direction 2) Half Duplex : Information can flow in both direction but only 1 at a time can send and 1 can receive. 3) Full Duplex : Information can flow in both direction and both can send and rceive at a same time.
A data flow diagram (DFD) is a graphical representation of the "flow" of data through an information system. DFDs can also be used for the visualization of data processing (structured design).
The main notations for a data flow diagram are - Process - Oval Decision - Rhombus Data Storage - Rectangle Open on the Right Data Flow - Single Arrow Resource Flow - Double Arrow