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Microprocessor

Microprocessor
The number of status flags present in 8085 microprocessor are

 5
 16
 10
 8

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Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 cannot be predicted
 32
 16
 8

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8251
 8253
 8259
 8279

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 6.5
 RST 5.5
 RST 7.5
 RST 4.5

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 0000H
 003CH
 002CH
 0034H

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Microprocessor
The microprocessor issues ALE during first T-state of

 memory READ cycle only
 memory WRITE cycle only
 every machine cycle
 fetch cycle only

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