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Microprocessor

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

 65536
 256
 512
 285

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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
XCHG instruction exchanges the content of H-L with ______ register pair.

 B-C
 Stack Pointer
 D-E
 PSW

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

 INTR
 RST 5.5
 RST 7.5
 TRAP

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

234
6 AFH
45 H
64 H

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PAL
 PLA
 PLD
 PROM

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