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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 21.
 40.
 19.
 27.

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to memory
 I/O device to accumulator
 accumulator to memory
 memory to accumulator

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

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

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Microprocessor
The number of interrupt lines in 8085 is

5
3
2
4

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 10
 16
 5
 8

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 RIM
 SIM
 EI
 DI

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