Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To disable data bus
 Enable the data bus to be used as low order address bus
 To achieve all the functions listed above
 To latch data D0-D7 from data bus

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Microprocessor
FPGA means

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

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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.

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

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