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Microprocessor

Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0048H.
 0060H.
 0024H.
 0030H.

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

 8
 16
 12
 18

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for the user
 direct memory access for the I/O device
 direct memory access for microprocessor
None of these

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Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
Identify the programmable DMA controller from the following

 8251
 8279
 8257
 8253

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Microprocessor
The number of interrupt lines in 8085 is

4
5
3
2

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