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MICROPROCESSOR

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 10
 11
 01
 00

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are output
 unchanged condition
 mode 0; all ports are input
 mode 2

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Microprocessor
The microprocessor issues ALE during first T-state of

 memory READ cycle only
 memory WRITE cycle only
 every machine cycle
 fetch cycle only

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 lower order address lines
 higher order address lines
 status lines
None of these

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

 0018H
 0028H
 0024H
 0000H

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