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Microprocessor

Microprocessor
In a microprocessor based system the stack is always in

 microprocessor
 EPROM
 ROM
 RAM

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

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

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

-0
-1
1
+0

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Quadruplex
 Duplex
 Simplex
 Diplex

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 220-1
 20
 220

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI F0H
 XRI 0FH
 XRI FOH
 ANI OFH

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