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Microprocessor

Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Direct
Immediate
Implicit
Register

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Microprocessor
Identify the programmable interval timer from the following

 8275
 8253
 8279
 8252

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

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

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Microprocessor
Which one of the following statement is false?

 A microprocessor has bi-directional address bus
 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional data bus
 A microprocessor has an ALU

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for microprocessor
None of these
 direct memory access for the user
 direct memory access for the I/O device

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

 PUSH SP
 PUSH PSW
 PUSH A
 POP PSW

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