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Microprocessor

Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 10
 5
 16

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 00000100
 010001000
 01000000
 11000100

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

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

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Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

Neither A nor B
External buffer is used
Processor is capable of waiting
Either A or B

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP PSW
 POP B
 POP 30 H
 POP D

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 RST 7.5
 TRAP
 RST 5.5
 INTR

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