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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 XRI 0FH
 ORI 0FH
 ANI 0FH
 CMA

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

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

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Microprocessor
What is SIM?

 None of these.
  Set interrupt mask.
 Sorting interrupt mask.
 Select interrupt mask.

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 0043H
 003CH
 0000H
 002CH

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 INTR
 TRAP
 RST 5.5
 RST 7

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

2, 1, 4, 3
1, 2, 3, 4
1, 2, 4, 3
2, 1, 3, 4

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