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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 6.5
 RST 4.5
 RST 5.5
 RST 7.5

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Microprocessor
Temporary registers in 8085 are

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

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

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

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are input
 unchanged condition
 mode 2
 mode 0; all ports are output

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 microprocessor
 EPROM
 ROM

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the stack pointer
 its internal registers
 the sequence in which memory contents are fetched by it
 the program counter

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