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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 19.
 21.
 40.

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T2 OP code fetch
 T4 OP code fetch
 T1 OP code fetch
 T3 OP code fetch

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

 0018H
 0028H
 0000H
 0024H

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 3
 4
 5
 6

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Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
The addressing mode in instruction PUSH B is

 register
 immediate
 register indirect
 direct

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