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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
DMA signal/signals in 8085 is/are

 HOLD.
 READY.
 All.
 HLDA.

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Microprocessor
Which one of the following interrupt/interrupts is/are only level triggering?

 RST 5.5
 both ‘a’ and ‘b’
 RST 6.5
 TRAP

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Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 65536
 285
 256
 512

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 27
 40
 30

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Microprocessor
HLT opcode means

  store result in memory.
  load data to accumulator.
  end of program.
  load accumulator with contents of register.

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