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Microprocessor

Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0000H
 0028H
 0024H
 0018H

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Microprocessor
The number of interrupt lines in 8085 is

2
3
4
5

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Microprocessor
The multiplexing of address bus and data buses is used in

 all the microprocessors.
 never multiplexed.
 depends on the internal architecture.
 none of these.

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Microprocessor
What is mean by ALU

 Arithmetic logic unsigned
 Arithmetic logic unit
 Arithmetic logic upgrade
 Arithmetic local unsigned

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 64
 512
 256
 65536

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 A memory write cycle
 A memory read cycle
 An op-code fetch cycle
 An I/O read cycle

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