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Microprocessor

Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220-1
 220
 20
 220 - 1

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 RST 7
 TRAP
 INTR
 RST 5.5

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Microprocessor
S0 and S1 pins are used for

 indicating the processor’s status
 acknowledging the interrupt
 serial communication
None of these

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 002CH
 0034H
 003CH
 0000H

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Microprocessor
The microprocessor issues ALE during first T-state of

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

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