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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 6.5
 RST 4.5
 RST 5.5

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Microprocessor
Identify the communication interfacing device from the following

 8251
 8257
 8255
 8155

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

 5
 20
 4
 16

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Microprocessor
The word size of 8085 microprocessor is

 16-bit
 20-bit
 8-bit
 4-bit

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Microprocessor
Identify the programmable DMA controller from the following

 8279
 8257
 8251
 8253

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Microprocessor
In 8085, the pins for SID and SOD are

3 and 4 respectively
5 and 4 respectively
4 and 5 respectively
4 and 3 respectively

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