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MICROPROCESSOR

Microprocessor
The addressing mode in instruction PUSH B is

 direct
 immediate
 register indirect
 register

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Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 256
 65536
 285
 512

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Microprocessor
The microprocessor may be made to exit from HALT state by asserting

 READY line
 RESTART
 any of the five interrupt lines
 A or B or HOLD line

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ORI 0FH
 XRI 0FH
 CMA
 ANI 0FH

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 INTR interrupt is recognized
 DAD RP instruction is executed
 RST 7.5 is recognized
None of these

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