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Microprocessor

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

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

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 Stack Pointer
 PSW
 B-C
 D-E

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 decrement by two
 increment by two
 remain unaffected
None of these

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Microprocessor
Temporary registers in 8085 are

 W and Z.
 H and L.
 D and E.
 B and C.

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Microprocessor
PSW stands for

 accumulator and flag register contents
 flag byte
 accumulator contents
 none

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 Bus Interface Unit (BIU)
 None of these
 Both ‘c’ and ‘d’
 Execution Unit (EU)

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