The bus is available when the DMA controller receives the signal
A. HRQ
B. HLDA
C. DACK
D. all of the mentioned
Answer:A
The bus is available when the DMA controller receives the signal
A. HRQ B. HLDA C. DACK D. all of the mentioned
Explanation: If the HLDA signal is received by the DMA controller, it indicates that the bus is available.