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Microprocessor

Microprocessor
Which memory has read operation, byte erase, byte write and chip erase?

RAM
EEPROM
Both B and C
UVEPROM

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

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

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

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

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 affected indicating specific conditions
 not affected
 always set
 always reset

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

 Accumulators
 Buffers
 Decoders
 Registers

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Microprocessor
Register pair used to indicate memory

 D and E
 H and L
 B and C
 W and Z

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