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Microprocessor

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

 PLD
 PROM
 PAL
 PLA

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI F0H
 XRI 0FH
 ANI OFH
 XRI FOH

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 16
 8
 12
 18

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Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

Set of {AND,OR}
Set of {AND,OR,NOT}
None of these
Set of {EXOR, NOT}

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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
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220
 220-1
 20
 220 - 1

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