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Microprocessor

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

 RST 7.5
 INTR
 RST 5.5
 TRAP

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Microprocessor
The stack pointer

 resides in microprocessor
 resides in ROM
 resides in RAM
 may be in RAM or ROM

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

 ANI 0FH
 ORI 0FH
 XRI 0FH
 CMA

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI F0H
 ANI OFH
 XRI 0FH
 XRI FOH

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit address bus
 8-bit controller
 8-bit data bus
 8-interrupt lines

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Microprocessor
An I/O processor controls the flow of information between

Cache memory and I/O devices
Two I/O devices
Cache and main memory
Main memory and I/O devices

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