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Microprocessor

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

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

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 D-E
 B-C
 Stack Pointer
 PSW

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Microprocessor
In Fortran 77 a variable name can contain special characters.

False
True

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Microprocessor
SUB A instruction in 8085

 reset zero and parity flags
 reset carry and sign flags
 sets zero and carry flags
 sets zero and sign flags

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Condition code register
 Flag register
 Accumulator
 Process status register

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Microprocessor
While INX B instruction execute,

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

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