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Microprocessor

Microprocessor
Identify the non-programmable interfacing device from the following

 8295.
 8257.
 8212.
 8255.

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 13
 16
 7
 10

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Microprocessor
A microcomputer consists of

 memory
All of these
 a microprocessor
 I/O device

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 CMA
 XRI 0FH
 ANI 0FH
 ORI 0FH

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 6
 16
 2
 8

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Microprocessor
The stack pointer

 resides in microprocessor
 may be in RAM or ROM
 resides in RAM
 resides in ROM

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