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Microprocessor

Microprocessor
In a microprocessor based system the stack is always in

 EPROM
 ROM
 RAM
 microprocessor

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Microprocessor
SUB A instruction in 8085

 reset zero and parity flags
 reset carry and sign flags
 sets zero and carry flags
 sets zero and sign flags

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 not affected
 affected indicating specific conditions
 always reset
 always set

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Microprocessor
Which of the following is not a general purpose peripheral?

I/O port
Programmable interrupt controller
Programmable CRT controller
Programmable interval timer

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

2*m
m
log2 (m)
2^m

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Microprocessor
The number of output pins in 8085 microprocessors are

 19.
 40.
 27.
 21.

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