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Microprocessors & Microcontrollers8085 Interfacing

The 8085 HOLD and HLDA signals are primarily associated with?

  • ADirect memory access
  • BSerial arithmetic
  • CSoftware interrupts
  • DBCD adjustment
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Correct Answer: A. Direct memory access
Explanation: An external DMA controller can assert HOLD; the processor responds with HLDA after relinquishing the buses.
Reference: Standard microprocessors and microcontrollers: 8085 interfacing
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