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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 5.5
 RST 4.5
 RST 7.5
 RST 6.5

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Microprocessor
The operations executed by two or more control units are referred as

 Macro-operations
 Micro-operations
 Bi control-operations
 Multi-operations

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 RIM
 SIM
 DI
 EI

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

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

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 65536
 64
 256
 512

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8255.
 8295.
 8212.

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