It is used to write the data into the memory or the output device depending on the status of M/IO signal. All Questions › Category: Networks › It is used to write the data into the memory or the output device depending on the status of M/IO signal. 0 Vote Up Vote Down Jayesh Bornare asked 3 years ago OPTIONS IR HLDA HR WR 2 Answers 0 Vote Up Vote Down Jayesh Bornare answered 3 years ago WR 0 Vote Up Vote Down Jayesh Bornare answered 3 years ago WR