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Microprocessor

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

 PLA
 PROM
 PAL
 PLD

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Microprocessor
The control flags in 8086 are:

All of these
 the Trap flag(TF).
 the interrupt flag(IF).
 the direction flag(DF).

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

 PLA
 PAL
 PROM
 PLD

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Simplex
 Quadruplex
 Duplex
 Diplex

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Microprocessor
S0 and S1 pins are used for

 serial communication
 acknowledging the interrupt
 indicating the processor’s status
None of these

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

 ORA R
 DCX Rp
 XRA R
 DCR R

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