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Microprocessor

Microprocessor
8085 microprocessor has how many pins

  30.
 41.
  40.
 39.

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 ROM
 EPROM
 microprocessor

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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 one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 ORA A
 CLR A
 SUB A
 MOV A, 00H

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000001
 11111111
 00000000
 None

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Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 512
 65536
 256
 285

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