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Microprocessor

Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PAL
 PROM
 PLD
 PLA

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Microprocessor
A microprocessor without the interrupt facility

 is best suited for process control system
 cannot be interfaced with any I/O devices
 cannot be used for DMA operation
 is not useful for process control system

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has more gates than circuit B
None of these
Circuit A has the same number of gates as circuit B
Circuit B has more gates than circuit A

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Microprocessor
In 8085, the pins for SID and SOD are

5 and 4 respectively
3 and 4 respectively
4 and 3 respectively
4 and 5 respectively

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

 ANI 0FH
 CMA
 XRI 0FH
 ORI 0FH

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 software interrupts
 hardware interrupts
 logical interrupts

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