When the 82C55 is reset, its I/O ports are all initializes as
A. output port using mode 0
B. Input port using mode 1
C. output port using mode 1
D. Input port using mode 0
Answer:D
When the 82C55 is reset, its I/O ports are all initializes as
A. output port using mode 0 B. Input port using mode 1 C. output port using mode 1 D. Input port using mode 0