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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
‘Burst refresh’ in DRAM is also called

Distributed refresh
None of these
Concentrated refresh
Hidden refresh

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Microprocessor
The five flags in 8085 are designated as

Z, CY, S, P and AC
Z, C, S, P, AC
Z, CY, S, D, AC
D, Z, S, P, AC

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Microprocessor
The stack pointer

 may be in RAM or ROM
 resides in microprocessor
 resides in ROM
 resides in RAM

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 8
 16
 18
 12

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 all the above characteristic
 erasable and programmable characteristic
 non-volatile characteristic
 random access characteristic

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