The 8288 bus controller chip derives the signals
A. ALE
B. DEN
C. DT/R(active low)
D. all of the mentioned
Answer:A
The 8288 bus controller chip derives the signals
A. ALE B. DEN C. DT/R(active low) D. all of the mentioned
Explanation: The latches are enabled by ALE signal and data will be enabled by DEN signal. The ALE, DEN and DT/R(active low) signals are derived by a seperate 8288 bus controller chip.