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Microprocessor

Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 Z-80
 8085
 68000
 6502

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8212.
 8255.
 8295.

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 logical interrupts
 conditional interrupts
 software interrupts
 hardware interrupts

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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
 DI
 EI
 SIM

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 none of these.
 program counter.
 both A and B.
 stack pointer.

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