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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 EPROM
 ROM
 microprocessor

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial output
 there is a pin available for serial input
 serial I/O is not possible
 serial I/O is possible through SIM and RIM instruction

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Microprocessor
PSW stands for

 accumulator contents
 none
 accumulator and flag register contents
 flag byte

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

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

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Microprocessor
While CMP B instruction executes,

 only carry flag will be affected.
 all flags will be affected.
 no flags will be affected.
 only carry and zero flags will be affected.

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