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Microprocessor

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

 DCX Rp
 ORA R
 XRA R
 DCR R

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Microprocessor
A field programmable ROM is called

 FPROM
 MROM
 FROM
 PROM

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Microprocessor
A microprocessor without the interrupt facility

 is best suited for process control system
 cannot be interfaced with any I/O devices
 is not useful for process control system
 cannot be used for DMA operation

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 lower order address lines
None of these
 status lines
 higher order address lines

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLD
 PLA
 PROM
 PAL

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Microprocessor
How many segments are there in 8086?

 4.
 6.
 2.
 3.

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