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Microprocessor

Microprocessor
Pick up the programmable interrupt controller from the following

 8257
 8275
 8259
 8279

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 0000H
 0043H
 003CH

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 incremented by one.
 transferred to memory address register .
 transferred to address bus.
 transferred to memory data register.

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

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

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 5
 10
 16
 8

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

NIBBLE
DOUBLEWORD (32 bits)
WORD (16 bits)
BYTE

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