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Microprocessor

Microprocessor
The number of interrupt lines in 8085 is

5
4
2
3

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Microprocessor
Identify the programmable interval timer from the following

 8279
 8253
 8252
 8275

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI F0H
 XRI 0FH
 XRI FOH
 ANI OFH

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Microprocessor
The word size of 8085 microprocessor is

 20-bit
 16-bit
 4-bit
 8-bit

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Microprocessor
‘Burst refresh’ in DRAM is also called

None of these
Concentrated refresh
Hidden refresh
Distributed refresh

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Microprocessor
The clock speed of 8085 is

 1MHz.
 1KHz.
 3.2MHz.
 3.2KHz.

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