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Microprocessor

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

 INTR
 TRAP
 RST 7.5
 RST 5.5

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Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 POP PSW
 PUSH SP
 PUSH A
 PUSH PSW

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC - EC
 EC = IC + FC
 IC = FC + 2EC
 IC = FC + EC

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Clock cycle
 Instruction cycle
 Memory cycle
 Machine cycle

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross coupled OR
A pair of cross copled AND
A cross coupled NAND/OR
A pair of cross coupled NAND

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Microprocessor
In 8085, the pins for SID and SOD are

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

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