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Microprocessor

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

 RST 5.5
 INTR
 RST 7.5
 TRAP

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Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 80486
 80386
 Pentium
 80286

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8259
 8279
 8253
 8251

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

OR-NAND
NAND-NAND
NAND-NOR
NOR-NAND

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP 30 H
 POP D
 POP B
 POP 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 + EC
 IC = FC + 2EC

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