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Microprocessor

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

 XRA R
 DCX Rp
 ORA R
 DCR R

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 5.5
 RST 7.5
 RST 6.5
 RST 4.5

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Microprocessor
A microcomputer consists of

 memory
All of these
 I/O device
 a microprocessor

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T4 & T1
 T1 & T2
 T2 & T3
 T3 & T4

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 6502
 68000
 8085
 Z-80

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

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

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