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Microprocessor

Microprocessor
A field programmable ROM is called

 PROM
 FROM
 MROM
 FPROM

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Microprocessor
Identify the communication interfacing device from the following

 8251
 8155
 8257
 8255

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Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 19.
 40.
 21.

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Microprocessor
Register pair used to indicate memory

 B and C
 H and L
 D and E
 W and Z

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Microprocessor
Identify the programmable DMA controller from the following

 8279
 8253
 8251
 8257

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Microprocessor
A 37 bit mantissa has an accuracy of

11 decimal places
8 decimal places
10 decimal places
6 decimal places

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