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Microprocessor

Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 30
 27
 13

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Microprocessor
After RESET 8255 will be in

 mode 2
 unchanged condition
 mode 0; all ports are output
 mode 0; all ports are input

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (I) ,(III) & (IV)
 (II) & (III)
 (I) & (II)
 (I) only

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Microprocessor
A mask programmed ROM is

 erasable and programmable
 programmed by the user
 erasable electrically
 programmed at the time of fabrication

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Microprocessor
Which of the following is type declaration statement in C?

s = s + 1
prin = prin * prin
king = horse + 1
int bar

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

log2 (m)
2*m
m
2^m

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