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Microprocessor

Microprocessor
The number of status flags present in 8085 microprocessor are

 16
 10
 8
 5

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 D-E.
 Stack Pointer.
 H-L.

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 RIM
 EI
 SIM
 DI

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Microprocessor
The first machine cycle of an instruction is always

 A memory write cycle
 A fetch cycle
 A memory read cycle
 An I/O read cycle

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Microprocessor
DMA signal/signals in 8085 is/are

 HLDA.
 READY.
 All.
 HOLD.

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Microprocessor
Register pair used to indicate memory

 W and Z
 H and L
 D and E
 B and C

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