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Microprocessor

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

 PROM
 PAL
 PLD
 PLA

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Microprocessor
CALL instruction is a ______ instruction.

 3 bytes
 2 bytes
 1 bytes
 4 bytes

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 flags
 shift registers
 counters
 latches

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Microprocessor
PSW stands for

 flag byte
 accumulator contents
 accumulator and flag register contents
 none

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 003CH
 0034H
 0000H
 002CH

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8279
 8259
 8251
 8253

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