When a key is pressed in the 8051, the instruction MOV P0, 0F0H will
A) drive the columns LOW and float the rows. B) drive the rows HIGH and float the columns.
C) drive the columns HIGH and float the rows. D) drive the rows LOW and float the columns.
D
You might also like to view...
What does the term "IGCC" stand for?
What will be an ideal response?
The erosion control method that mixes water, mulch, and a tackifier is called
What will be an ideal response?
When designing landscaping, _____ draws attention to a particular element
a. emphasis (focal point) c. balance b. rhythm d. shape
Two technicians are discussing bleeding air from the brake hydraulic system. Technician A says to depress the brake pedal slowly and not to the floor to prevent possible seal damage inside the master cylinder. Technician B says to wait 15 seconds between strokes of the brake pedal. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B