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Microprocessor

Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 16
 8
 18
 12

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

 XRI 0FH
 ORI 0FH
 CMA
 ANI 0FH

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Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Immediate
Implicit
Direct
Register

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

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

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Microprocessor
A microcomputer consists of

 memory
 I/O device
All of these
 a microprocessor

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Microprocessor
The five flags in 8085 are designated as

Z, C, S, P, AC
D, Z, S, P, AC
Z, CY, S, P and AC
Z, CY, S, D, AC

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