Final answer:
To draw the NRZ coding, represent 0s as low voltage levels and 1s as high voltage levels. To draw the Manchester coding, represent 0s as transitions from high to low voltage levels and 1s as transitions from low to high voltage levels.
Step-by-step explanation:
To draw the NRZ coding for the given bit stream 01010110010, we will represent 0s as low voltage levels and 1s as high voltage levels. The resulting diagram will have alternating levels.
To draw the Manchester coding, we will represent 0s as transitions from high to low voltage levels and 1s as transitions from low to high voltage levels. The resulting diagram will have transitions at the midpoint of each bit.