Microprocessor
ALU (Arithmetic and Logic Unit ) of 8085 microprocessor consists of

 Accumulator, arithmetic, logic circuits and five flags
 Accumulator, temporary register, arithmetic and logic circuits
 Accumulator, temporary register, arithmetic, logic circuits and five flags
 Accumulator, arithmetic and logic circuits

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Microprocessor
Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR.

 Both A & R are true but R is not the correct explanation of A.
 Both A & R are true and R is the correct explanation of A.
 A is false but R is true.
 A is true but R is false.

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Microprocessor
FPGA means

 Field Parallel Gate Array
 Forward Programmable Gate Array
 Forward Parallel Gate Array
 Field Programmable Gate Array

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