07)when file transfer between two computers, is there need to code two programmes for receiving data and transmitting data seperately?
If not how?please give me a code example…………?How is the flowcontrol is done? Is it done by software ,hardware or both?

Salem commented: You really are an annoying parasite which can't be bothered to STFW -1
SpS commented: Dum +0

Just like your other posts, do your own homework. You might consider a little research on file transfer (FTP) for this. I'd also recommend you learn about TCP.

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