Why Dummy Byte?

While reading EEPROMs or some other, we have to send DUMMY Bytes in order to receive Results? Why it is required?
Why Dummy Byte?

While reading EEPROMs or some other, we have to send DUMMY Bytes in order to receive Results? Why it is required?
Getting Dummy character while receiving UART data,How to fix it ?

I am using Nuvoton MS51FB9AE MCU,while testing UART looping program I am getting Dummy character in the middle the Actual data,need help in fixing this #include "MS51_16K.H" unsigned char uart_receive_data;...
Getting Dummy character while receiving UART data,How to fix it ?

I am using Nuvoton MS51FB9AE MCU,while testing UART looping program I am getting Dummy character in the middle the Actual data,need help in fixing this #include "MS51_16K.H" unsigned char uart_receive_data;...
sEOS running a dummy tast

Hi, Please, any one can help me to explain the following function: Q1) Function X_Init Q2) Function X Q3) Function sEOS_ISR() Q4) Function sEOS_Go_To_Sleep Code: #include <reg52.h> #define...