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Microprocessor

Microprocessor
Which of the following interrupt is both level and edge sensitive?

 RST 7.5
 RST 5.5
 INTR
 TRAP

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

 PLD
 PROM
 PAL
 PLA

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To latch data D0-D7 from data bus
 To disable data bus
 To achieve all the functions listed above
 Enable the data bus to be used as low order address bus

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (I) ,(III) & (IV)
 (I) & (II)
 (I) only
 (II) & (III)

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM, EPROM & PORTS
 SRAM & USART
 EPROM, USART & PORTS
 EPROM & PORTS

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

 PLA
 PROM
 PLD
 PAL

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