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Microprocessor

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

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

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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 set
 always reset

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Microprocessor
The five flags in 8085 are designated as

Z, CY, S, P and AC
Z, C, S, P, AC
D, Z, S, P, AC
Z, CY, S, D, AC

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Microprocessor
Which of the following instruction will never affect the zero flag?

 DCR R
 XRA R
 DCX Rp
 ORA R

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross coupled NAND
A pair of cross copled AND
A pair of cross coupled OR
A cross coupled NAND/OR

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for microprocessor
 direct memory access for the I/O device
 direct memory access for the user
None of these

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