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Microprocessor

Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PAL
 PLD
 PLA
 PROM

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

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

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Microprocessor
Total number of modes the 8253 can work

 8
 12
 6
 4

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Microprocessor
A microcomputer consists of

 memory
 a microprocessor
 I/O device
All of these

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Microprocessor
Identify the communication interfacing device from the following

 8257
 8255
 8155
 8251

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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.

 DI
 SIM
 RIM
 EI

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