c) Check frame sequence. The FCS (4 bytes in length) field is used to detect errors in a frame
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This method uses a field in the header to specify the number of characters in the frame. When the data link layer at the destination sees the character count,it knows how many characters follow, and hence where the end of the frame is. The disadvantage is that if the count is garbled by a transmission error, the destination will lose synchronization and will be unable to locate the start of the next frame. So, this method is rarely used.
its when the sending device keeps a copy of the last frame transmitted until it receives ACK. Keeping a copy allows the sender to retransmit lost/damaged frames until received correctly. If the receiver detects error in frame, it discards it and sends no ACK
When you want to group several controls together - name and address, for example - you use a Frame. The frame backcolor can be the same as the form's and only the frame borders will be obvious, or it can be a different color and stand out.You create the frame before the controls. When you create controls in a frame, they are tied to the frame and move with it. The frame caption is the text that appears at the top of the frame - you use it to define the group.
Four Basic or Main Parts Of Stator : 1. Yoke(Outer Frame) 2.Main Magnetic Poles 3.Main Field Winding 4.Inter Poles
Same as that of the applet we need to run this frame...........