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Microprocessor

Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 16
 6
 2
 8

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

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

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 16
 20
 5
 4

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Microprocessor
Identify the programmable DMA controller from the following

 8257
 8253
 8251
 8279

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Microprocessor
The characteristics of RESET OUT signal is/are

 this signal can be used to reset other devices.
 indicates that µp is being reset.
 all.
 the signal is synchronized to the processor clock.

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 1 K bytes
 8 K bytes
 10 K bytes
 4 K bytes

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