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Microprocessor

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

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

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Microprocessor
What is mean by ALU

 Arithmetic local unsigned
 Arithmetic logic unsigned
 Arithmetic logic upgrade
 Arithmetic logic unit

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 6
 10
 8
 4

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Microprocessor
The first machine cycle of an instruction is always

 An I/O read cycle
 A memory write cycle
 A memory read cycle
 A fetch cycle

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Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 80286
 80386
 80486
 Pentium

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 D-E.
 Stack Pointer.
 H-L.
 Program Counter.

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