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Microprocessor

Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 12
 16
 18
 8

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

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

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 software interrupts
 hardware interrupts
 logical interrupts

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8295.
 8212.
 8255.

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 counters
 latches
 shift registers
 flags

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 68000
 8085
 6502
 Z-80

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