All the functions of the ports of 8255 are achieved by programming the bits of an internal register called
A. data bus control
B. read logic control
C. control word register
D. none
Answer:A
All the functions of the ports of 8255 are achieved by programming the bits of an internal register called
A. data bus control B. read logic control C. control word register D. none
Explanation: By programming the bits of control word register, the operations of the ports are specified.