Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Decoders
 Buffers
 Accumulators
 Registers

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location

 2001H and 2002H to H and L registers respectively
 2000H and 1999H to H and L registers respectively
 2001H and 2000H to H and L registers respectively
 2000H and 1FFFH to H and L registers respectively

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Microprocessor
Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock.

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

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Microprocessor
A high on RESET OUT signifies that

 all the registers and counters are being reset and this signal can be used to reset external support chip
 all the registers and counters are being reset
 processing can begin when this signal goes high
 all the registers of the CPU are being reset

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